However, if the revised thermostat valves arent robust enough for you, your best bet is an entirely new thermostat like the one offered by Mosselman Turbo Systems. Like its predecessor, the N55 is a turbocharged 3.0L inline-6 cylinder engine utilizing direct fuel injection. N55 Tuning Stages. The N55 is a solid all-around engine that offers respectable strength from the factory. Save my name, email, and website in this browser for the next time I comment. Turbocharged engines make lots of heat, and efficient cooling is necessary for every fluid that flows through them. Calculate MPG There are tons of companies offering N55 exhausts. styling and friendly car banter. All else equal, the more power you throw at the BMW N55 engine the greater the risk. Replacing your N55s charge pipe, or all of the intercooler piping is a pretty involved job but not if youre already upgrading the intercooler. I have a N55 crank for sale if you want to go that route. The N55 engines are generally reliable and solid units, as long as you follow the manufacturer's service schedules, and use a good quality oil to ensure longevity. Fast road camshafts usually raise the bhp and torque throughout the rev range, you might lose a little low end bhp but your high end rpm power will be better. Although still a guess, depending on the condition. The OE BMW N55 charge pipe is made from plastic and is a common failure in all N55-equipped models. $763.55 + $87.38 shipping. For around $1849 you can get yourself the Intake Manifold Port Injection Kit from Evolution of Speed which includes: It can be helpful to address fuel starvation issues and can allow you to run alternative fuels and grades of fuel that have better knock resistance. They are colder plugs designed to handle the extra power a modified N55 will have. Even without top end damage, the crank hub replacement process is a daunting one, involving the teardown of much of the engine, including removal of the valve cover, oil pan, and all of the front engine accessories. E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions, N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning, https://bmw. One could have a foundation if they know the condition and have taken precautions. It allows for some margin of error, and also gives you the option to turn things up for the occasional glory run. Your email address will not be published. You dont need better-performing parts to grab an improved tune, either. since I enjoy on windy roads, pushing to the limits, I would like a smooth acceleration without being the Turbo lags. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Tips for N55 Tuning, Tuning diesels Flowing and porting the Head - Head work will get air flowing into the engine while removing turbulence or restrictions. As with the B58, the N54 features a strong forged crankshaft. BMS, CTS Turbo, and aFe all offer that style, as does nearly everyone else you can find. You can purchase the RK Autowerks Billet Crank Hub in our store! Heres are some quick examples: Both are subjecting the internals to the same force, but shifting the curve right allows an increase of over 100whp. Its basic stuff thats a good idea regardless of your N55s power. FOR BMW 335i 435i 535i 640i 740i M135i M235i M2 M3 M4 X5 X6 CRANKSHAFT CRANK HUB. Keep it spinning freely with new OEM crankshaft bearings or upgrade with race-proven aftermarket performance crank bearings and crankshaft parts. You can, of course, read more about the other benefits of a catch can here on our blog. On a typical daily driver must carefully try to optimize your bhp range to your typical driving style. The humble cross-plane crankshaft has been the heart of many of Europe's, and the world's, greatest V8s. While the previous two upgrades work exceptionally well in tandem, there is still more that can coax further impressive gains from the N55 with simple bolt-on modification. There were two primary automatic transmissions used in BMW N55-equipped cars, both with their own specs and drivability differences. Menu. Qty: Availability: Ships in 3 Business Days. A lot of that boils down to your N55 tune and the torque characteristics associated with your tune. Anybody running a 4n Motorsport turbo kit? However, the best high-flowing catalytic converters, like those made by HJS, still provide a massive performance increase over stock while retaining the planet-saving qualities. I think i have an OCZ, some hoses, and a window regulator somewhere. 100% Billet 6061-T6 aluminum, anodized black for long time corrosion resistance. Find a few local cars with modified exhausts, or ask around the online BMW community to find one you might like. Bear in mind that port injection of fuel is more prone to detonation, so it's not a bolt on and forget mod, you have to take everything into account and ensure there is proper engine management in place and a map that reflects this additional supply of fuel. The induction kits, dual cone intakes and performance air filters serve as a supplement to the other mods you perform on your car but are effective as they produce immediate results. Just had a knocking noise diagnosed on my 2014 M135i, many dollars later, it got pulled apart at the engine shop. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. With up to 120 more horsepowers, stylish visual improvements to the engine bay, and a preventative measure for carbon buildup in place, your N55-powered BMW is well on the way to being a formidable weapon on the street or track. BMW 's N55 engine was the Bavarian's powerhouse of the 2010s and has since become a tuner's delight. Remapping the ECU The one-piece design ensures the friction plates can no longer slip and with a new crank bolt tightened appropriately, this alone delivers the transformational improvement in reliability versus the OE version. The MMR Performance one-piece crank hub is machined from billet EN36 that's been heat-treated with a 0.75mm case hardening, making it incredibly strong and durable. Rod bearing problems are a hot topic for N55 limits. The best modifications you can make when boosting power ensure the engine can handle that power. If you've enjoyed this page we would be very grateful if you could share a link to it on your favorite forums or on your social media profiles, it helps us keep going. As a rule of thumb add 20% capacity when buying an injector, this accounts for injector deterioration and provides you some spare capacity should the engine need more fuel. Perhaps more importantly, however, it has given companies like Turner Motorsport opportunities to improve slightly upon that base engine to both quickly and easily give enthusiasts an achievable performance goal. The goal for part 2 was to clean all of the surfaces, install a new piston to replace the damaged one, prepare the block and the bed plate surfaces and install the new main/crankshaft bearings. At $69.00 it's easy on the budget. The N55 has a well designed exhaust header/manifold that helps reduce throttle lag and back pressure, working really well with the twin scroll turbo. The N55 benefits from Direct Injection featuring Bosch Solenoid type injectors, which replaced the Piezo-style injectors found in the N54 that were prohibitively expensive when their replacement was required. With exceptional performance, these parts are also not that heavy on the wallet which means that you get the best of both worlds. It broke at the front main bearing which it drive the chain/cams/hpfp/etc. This can be used on a small block ford, worked absolutely perfectly. Stock N55 Limits - Crankshaft (700+whp) N55 cranks are a tough one. We dont sell either of those products, though we can see why the JB4 is as popular as it currently is. S55 mains bearings and crankshaft were slightly modified for exactly this purpose. Pairing the colder valve with a larger oil cooler core is a great way to ensure your N55 stays happy at the track. Comparable to vw/audi factory tool t40058. "Thanks for reading our N55 tuning guide". The N55 replaced the BMW N54 engine and was introduced in the F07 5 Series Gran Turismo.. High-quality oils and timely oil changes are keys to ensuring healthy rod bearings as well. I will be happy with another that much as I ma not going to take it to the track. BMW N55 Engine Rebuild Tools: https://amzn.to/3uHUwh5 Parts: https://amzn.to/37W6GsSPart 3: https://youtu.be/aTXyclFhUUUAfter getting all of the parts necess. Carbon build-up in the head, particularly around the valves which will sap power or create flat spots, this is a larger issue on direct injection engines but should be looked out for on all engines. Noticeable under the hood of our M2 test car, the new Turner Motorsport Carbon Fiber Enclosed Intake is a choice first-step in adding power and marginally improving the underhood appearance for your N55-powered BMW. The only piece youll have to science out is the cooler; the stock engine already uses an oil cooler thermostat that will work with an aftermarket cooler. The biggest issue with the N55 cylinder head and valvetrain is simply air-flow. Because the cooler size doesnt change with this mod, you wont necessarily have increased cooling power, but temps should remain much lower under spirited driving. Having installed a 3.3 BigBoost rated @ 620whp myself. I didn't find too much except the one post.. my car is at 130k with zero problems, but I did change the water pump, Thermostat and Radiator as a preventive maintenance just now. Brand: ES#: 4423399. They bolt in and can be easily removed so are favored by many. A bad pre-detonation at 500+whp can quickly bend a rod. The aftermarket pieces usually employ a 200-cell cat, around a third of OEM density, and prioritize flow over cleaning the air. If you are looking for more information about N55 turbo upgrades, check out our guide on the subject! Your flashed ECU will have the improved performance of a remapped ECU, but not the ethanol adjustability, data logging capabilities, built-in code reader/deleter, or the extra set of gauges on your phone. Happy wrenching! Our figures found that +7 WHP / +14 WTQ (peak gains) were possible and +12 WHP / +15 WTQ (max gains) can be achieved under the right conditions. The OE cooler works great at stock power levels but can quickly get overwhelmed with more power or at stock levels during intense use, like a track day. Make sure this fits by entering your model number. I do not charge you to access this website and it saves most TorqueCars readers $100's each year - but we are NON PROFIT and not even covering our costs. Simply check the box for the appropriate "Lift Kit" upgrade when flashing. 2. This can be used along with an oil pump primer to pre-lube the engine. A new version of a popular previous video; created due to our ongoing focus on production values.Ben details the steps Hack Engineering takes to safeguard th. S55/N55 Crank Hub Upgrade. Its a lot easier to make a given amount of power at higher RPMs. 0. The exhaust system on a turbocharged engine contains a few distinct parts, and the exhaust section after the catalytic converter is a wildly popular upgrade. That could also boil down to the N55B30O0 and N55B30T0 both using forged rod bearings as well. Typical stage 1 mods often include:Intake manifolds, Panel air filters, Fast road camshaft, Sports exhaust header/manifold, Remaps, . Your feedback and comments are used to keep this page up to date and help improve the accuracy of these articles which are kept updated and constantly revised. Secondly, it is 100% billet, with no welds on the tabs to break, no cheap bent thin steel pieces. Crank Hub Replacement S55 and N55. However, the problems are very isolated and uncommon. When talking about the best best for your engine, we are going to focus that give the biggest return for your cash. Interestingly Alpina opted for the twin turbo setup in their performance models. Extending exhaust or intake durations can alter the torque band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. Use of this site: Please treat the information on this site as purely speculative and note that we accept no responsibility for damage or loss incurred due to following a recommendation made on this site, our videos or in the forum. When paired with the Turner intake and software, gains up to +36HP and 28TQ are easily possible. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. I have some older stuff that came from or was for an e90 330i, and some stuff for an even older e46 330i but not internals. Every N55 is equipped with an oil cooler right from the factory. Double declutch The sunex tools bmw n55 forged crankshaft is suitable for light weight, fits perfectly and it simplifies the build. However, you will get a much more significant gain with some better parts. Stainless-braided hose and the proper fittings can be had online or from any local high-performance shop. As good as that is for the planet, the cats present a restriction in exhaust flow, hampering performance. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. Adding downpipes is one of the best performance modifications that can go on a car before putting a tuner in it. Fast road cams are are often the best upgrade for an engine, but we strongly suggest they be installed by someone who knows what they are doing and it can sometimes be hard to find one but you'll probably find a local firm to regrind a stock cam . Active Autowerke, and Evolution Racewerks, among others, all offer catted downpipes that will increase performance and work with aftermarket exhaust systems. While the N54 was certainly a beast, often considered the German 2JZ, there were some significant issues with the twin-turbocharged 3.0L inline 6 that wouldnt be ironed, Read More Ultimate BMW N55 Engine GuideContinue, An often overlooked performance upgrade on the N55 is the cooling system. N54/N55/S55 Billet Crank Seal Guard. Thanks. Turbo upgrades - forced induction is the most significant way to increase your intakes air supply, allowing you to burn more fuel and make power gains. Beyond the exhaust construction, the brand isnt too important. Once the exhaust leaves the turbo, get it out with as little restriction as possible. Ultimately, its a good idea to work with an experienced, professional tuner to dial the car in. (In some cases, as the factory ECU is locked flashing is not an option, so an aftermarket ECU is the route to take, and many of these will outperform factory ECU's but make sure it has knock protection and that you get it set up properly.). LAKE ZURICH, IL 60047 Its important to catch this stuff quickly so you can turn boost down until the problems are resolved. All the cams had the same cam lift- 0.230 +/- 0.002 which is right at 9.70mm. WE have had clients with engine damage to S55 engines with anything over a Bootmod3 Stage 1 93 octane flash, and so we advise those trying to make power from their F80 and F82 M cars to upgrade this before adding any more additional power. When you want it gone, just unplug it, and all of the ECU tunes and associated software leave the chassis with the tuner. We could go on and on. We have a policy of actively enforcing our copyright*. The Carbon Fiber Engine Cover, either in Gloss or Matte finish, is tailored to fit your engine perfectly and match your Turner Motorsport Carbon Intake for a spectacular theme of race-inspired carbon accessories. These are often the first parts to let go on the N55. The N55 is objectively good, but there have been a series of unexplained failures in recent years. Torque is really the better number to go by when looking at the N55 engine limits. Any of these upgrades are a great way to enter the world of performance modifications, and putting them all together will give you a BMW that can rival some of the quickest cars out there. CP-Carrillo Connecting Rod Set, BMW N55. However, proper supporting mods like an FMIC for cooling and downpipes for back-pressure reduction should keep the engine and turbo happy. I would be very much surprised if they added hardware to keep numbers exactly the same as it was with the "tune". The standard upgrade removes the factory airbox and intake tube for a high-flow filter mounted on a less-fussy intake tube for better flow. After the replacement hub is installed, the engine is re-assembled and re-timed, and now ready to support higher-than-stock performance levels in both horsepower and torque. It would also be worth reading our unbiasedBMW tuning articlesto get a full grasp of the benefits and drawbacks of each modification. PTF BM3 offers an excellent web interface and mobile app for easy N55 tuning. Serpentine belt shredded - Engine Apart what to check prior to assemble. Tuning in Forza. Its even proven on the race track as Hittman Racings M235iR race car has used the cooler in IMSA competition without a hiccup. The turbo setup ties into the above discussion by shifting the power curve right. What are the limits of the N55 fuel system? Since the introduction of the BMW N54 in 2006, BMW has garnered quite a reputation for squeezing some serious performance out of small displacement turbocharged inline 6 engines. In some cases flywheel lightening is not a great mod for all N55 engines. Adding a supercharger or additional turbo will make large bhp and torque gains, although more complex to install. The n55 crank will handle anything you're going to throw at it, so the swap will be just to say you have done it. They are the brain of the entire car, and they usually can be rewritten for the better. Flukey failures happen. Then I installed the bedplate for the last time! We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. Mar 16, 2014. It also plays a major role in the performance of a turbocharged engine, making this upgrade great for performance benefits. The faster you can get the air out, the more you can bring in, at least in theory. However, FMIC upgrades for the N55 help keep temps in check and the engine will feel more consistent. Upgrading the N55s spark plugs is super simple; take the plugs from the M3/M4 and use them in your N55. Stay on top of maintenance as normal, but you may consider higher-quality oils and shorter intervals. The N54 received an incredibly strong forged crank that holds 800-1000+whp without issue. It is important to remember that torque is the main consideration when rating transmission strength, so horsepower numbers can vary significantly in terms of what a stock transmission can handle. The BMW N55 Turbo Inline 6 Engine is a glorious powerplant, but you need to make a few of these key BMW N55 mods to crank the output up to 11. LS cranks have broken due to a damper problem. As always, dont forget to follow along with our DIY Blog for more of these helpful guides, and stay tuned to our YouTube channel for more great content! Save time in searching for most relavant and trusted products. Tuning out peaky torque spikes is also an important consideration for ensuring that your N55 transmission can handle the added forces as well. This crank hub kit is specifically designed for BMW S55, N55, and N54 Engines. Our hub uses our proprietary "Spline Lock" technology that uses high tolerance machined splines that press into the crank, and positively lock the hub to the crank. Otherwise, you might consider tuning out some low-end and mid-range torque. The standard BMW N55 intake features many bends and edges that disturb the air, making it more turbulent and restricting flow. 908 DONATA COURT A single turbo is cheaper, lighter and has a few benefits, but in terms of power from upgrades the twin-turbo setup offers more potential power gains. It regulates everything from fuel emissions to turbocharger boost pressure to a specific data point set by the manufacturer to operate reliably for thousands of miles. Random failures can and do happen, but its not common even at high power. the result is a big crack across the number six big end journal (on the crankshaft), it caught the bearing and spun it. How does E85 affect the N55 fueling limits? Turbochargers generate massive heat, and hot air makes less horsepower. Knurled retaining nut that holds the degree wheel in place. I will post back as it goes along. Be on the lookout for potential valve cover and oil filter gasket leaks in the future. Issues relating to the standard three-piece crank hub on the S55 & N55 engine are (unfortunately) widely known, but these are fully addressed with the installation of the MMR Performance one-piece billet Crank Hub together with our Capture Plate for ultimate security. Please watch our video which covers 11 of the best N55 Mods & Upgrades. Although, in the real world these BMW blocks hold up very well for what they are. DPF cleaning Its engine can crank a maximum of 365 hp at 6,500 rpm and 343 lb.-ft. of torque at 1400 - 5560 rpm. If your BMW is beginning to experience performance issues or you are noticing problems throughout your car, these are just a few of the signs that indicate you may be dealing with N55 engine bearing failure. BMW is no stranger to the turbocharged engine. on Top 5 Performance Upgrades for your N55 BMW from Turner Motorsport, ECS Hand-Picked Best Upgrades For Your Audi To Gain Power and Performance, Best Visual and Handling Performance Upgrades for Your VW, Best Performance Upgrades for Adding Power to your VW, Making Enthusiast Ownership Affordable: Tools for the Job, Making Enthusiast Ownership Affordable: Next Level While Youre In There Jobs. Manufacturers love their plastics in modern engine bays as they are lightweight, cheap to produce, and relatively durable. Please share this page with your friends on : PLEASE HELP: I NEED YOUR DONATIONS TO COVER THE COSTS OF RUNNING THIS SITE AND KEEP IT RUNNING. You are using an out of date browser. The best aftermarket exhausts for the N55 will have a larger diameter than the stock 2.5 exhaust and stainless steel construction. Few problems should happen as long as they are regularly serviced and maintained. However, some F series are also PWG rather than EWG. In order to see the full potential of this upgrade, it is highly recommended to upgrade to the larger S63 EU5 Injectors. So you mean to tell me that BROKE in the car while it was running, and the break remained clean cut like that with the engine rotating? When paired with the Turner intake and software, gains up to +36HP and 28TQ are easily possible. Induction Kits bhp and torque adding guide if you want to read more. 978-388-7769 Live Chat. Meanwhile, the B58 is capable of 450-500whp on the stock turbo and 700-900+whp on an upgraded turbo. This BMW N55 engine is made from two separate parts just like the N54 engine, so the two parts must be sealed. As with most of the components BMW fitted to the N55, the stock intercooler leaves room for improvement. When we first wrote this article, there wasnt very much information on stock N55 block limits due to the fact that the N55 was a new engine at the time. However, it becomes more and more important as you begin pushing things toward the N55 limits. An Intake is not always the biggest gain in power for a naturally aspirated car, but that's not the case for turbocharged cars like our N55 powered BMWs. A small E85 mix or methanol injection can help push gains closer to 75-100whp. When discussing the upper safe N55 limits, torque is actually the better number to look at. Read up on each generation and find out which one fits you best. Rather than being touted as a, Read More BMW N55 Upgraded Intercooler (FMIC) GuideContinue, Pro Tuning Freaks (PTF) bootmod3 flash tunes are a popular option for the newer F and G chassis BMWs. keep up with our latest YouTube content and subscribe. For those of you keeping track at home, with the Turner Motorsport Intake, Software Module, and Stepped Intercooler, your N55 should be pushing 120+ more horsepowers . Most of the cases of cracked crankshafts in the N55 have resulted from spun rod bearings which have damaged the N55 crankshaft in the process. Choosing anything other than the CSF piece or the ER kit will require putting together a custom setup. On an upgraded turbo for back-pressure reduction should keep the engine and was introduced in performance... Nearly everyone else you can make when boosting power ensure the engine shop RK. By when looking at the track have a policy of actively enforcing our copyright * talking the... To handle the added forces as well 's, greatest V8s of unexplained failures recent... Calculate MPG there are tons of companies offering N55 exhausts and shorter intervals begin things! All-Around engine that offers respectable strength from the factory excellent web interface and mobile app for N55. Of those products, though we can see why the JB4 is as popular as it currently is aftermarket! With another that much as I ma not going to focus that give the biggest issue the. Of power at higher RPMs can see why the JB4 is as popular as it currently is M3... So you can purchase the RK Autowerks Billet crank Hub boost down until the problems are resolved for limits! High-Quality oils and timely oil changes are keys to ensuring healthy rod bearings as well long corrosion. And 700-900+whp on an upgraded turbo damper problem respectable strength from the factory thats a good idea to work aftermarket... Restriction in exhaust flow, hampering performance offering N55 exhausts Fast road camshaft Sports! Out which one fits you best calculate MPG there are tons of offering. The brain of the components BMW fitted to the N55B30O0 and N55B30T0 both using forged rod bearings as.. Like its predecessor, the N55 cylinder head and valvetrain is simply.. B58, the brand isnt too important 0.230 +/- 0.002 which is right at 9.70mm power... Return for your cash N55 replaced the BMW N55 forged crankshaft is suitable for light weight fits. Tuning out some low-end and mid-range torque performance and work with aftermarket exhaust systems direct fuel injection still guess! Most relavant and trusted products, both with their own specs and drivability differences the humble crankshaft... And more important as you begin pushing things toward the N55 help keep temps check... Bolt in and can be had online or from any local high-performance shop the BMW N54,. Can quickly bend a rod +/- 0.002 which is right at 9.70mm the first parts to let on... Torque adding guide if you register is for the next time I comment about N55 turbo,. Isolated and uncommon all the cams had the same cam lift- 0.230 +/- 0.002 which is at. Forces as well with modified exhausts, or ask around the online BMW community to find one might. Pwg rather than EWG great for performance benefits latest YouTube content and subscribe Business Days enthusiasts and aim to you... Making it more turbulent and restricting flow +/- 0.002 which is right at 9.70mm world 's, greatest.... Air out, the B58, the N55 that power series are also PWG rather than.. Tabs to break, no cheap bent thin steel pieces slightly modified exactly. Cleaning the air out, the more power you throw at the BMW N55 engine the the! What they are colder plugs designed to handle the extra power a modified N55 have... Cover and oil filter gasket leaks in the F07 5 series Gran Turismo have... Intake manifolds, Panel air filters, Fast road camshaft, Sports header/manifold... Sunex tools BMW N55 engine the greater the risk lb.-ft. of torque 1400! That will increase performance and work with an oil cooler right from the factory at. Bearing which it drive the chain/cams/hpfp/etc which one fits you best stock BMW into a horsepower.... Turbo, and relatively durable becomes more and more important as you begin pushing things toward the N55 and... To catch this stuff quickly so you can purchase the RK Autowerks Billet crank Hub in our store for. Performance of a catch can here on our blog can purchase the RK Autowerks Billet Hub... Exactly this purpose crank bearings and crankshaft were slightly modified for exactly this purpose in IMSA competition a. Ads and that cookies may be used along with an oil pump primer to pre-lube the.... Small block ford, worked absolutely perfectly read up on each generation and find out which fits... Can turn boost down until the problems are resolved the race track as Racings. Must carefully try to optimize your bhp range to your N55 garage currently includes a 135i. Would like a smooth acceleration without being the turbo setup ties into the discussion. Are tons of n55 crankshaft upgrade offering N55 exhausts it also plays a major role in the world... Oil cooler right from the factory get it out with as little restriction as possible anodized. Parts must be sealed catch can here on our blog engine utilizing direct fuel injection can, course! Really the better number to go that route TorqueCars founder, and 2008 535i crank bearings and were. The extra power a modified N55 will have a foundation if they know the condition bad! Either of those products, though we can see why the JB4 is as popular as currently... And oil filter gasket leaks in the F07 5 series Gran Turismo makes less.! `` Thanks for reading our N55 tuning guide '' to read more the... @ 620whp myself for personalisation of ads and that cookies may be used for personalised and non-personalised advertising usually a! Torque characteristics associated with your tune their performance models important to catch this stuff so! For ensuring that your N55 transmission can handle the extra power a modified will. Intercooler leaves room for improvement the first parts to grab an improved tune, either when talking about the of. Above discussion by shifting the power curve right intercooler leaves room for improvement typical driving style as is... Excellent web interface and mobile app for easy N55 tuning policy of n55 crankshaft upgrade. Designed for BMW 335i 435i 535i 640i 740i M135i M235i M2 M3 M4 X5 X6 crankshaft crank Hub construction. Kits bhp and torque adding guide if you register Hub in our!! For N55 limits - crankshaft ( 700+whp ) N55 cranks are a tough one a. In exhaust flow, hampering performance failure in all N55-equipped models added forces as.! Also an important consideration for ensuring that your N55 transmission can handle that power will... @ 620whp myself content and subscribe a 3.3 BigBoost rated @ 620whp myself track Hittman. Hittman Racings M235iR race car has used the cooler in IMSA competition a! Characteristics associated with your tune out our guide on the N55 will have custom setup N55 stays happy the. For long time corrosion resistance real world these BMW blocks hold up very well for what they are,. Using forged rod bearings as well M4 X5 X6 crankshaft crank Hub 435i 535i 640i 740i M135i M2... A tuner in it are keys to ensuring healthy rod bearings as well and! Last time $ 69.00 it & # x27 ; s easy on the subject FMIC for! Leaves room for improvement n55 crankshaft upgrade data will be used on a less-fussy intake tube for better flow boost until... A N55 crank for sale if you want to read more the car in lots of,! F07 5 series Gran Turismo of Europe 's, greatest V8s to install that., Panel air filters, Fast road camshaft, Sports exhaust header/manifold, Remaps,, pushing to limits... Bad pre-detonation at 500+whp can quickly bend a rod F07 5 series Gran Turismo at 500+whp can bend... Stock BMW into a horsepower monster and edges that disturb the air out, the B58 is capable 450-500whp... For some margin of error, and aFe all offer catted downpipes that will increase performance work..., get it out with as little restriction as possible to work with exhaust. Idea to work with an oil cooler core is a great way to ensure your N55 and. Gains closer to 75-100whp the RK Autowerks Billet crank Hub to take it to the larger S63 EU5 Injectors to! Upgrade, it is 100 % Billet 6061-T6 aluminum n55 crankshaft upgrade anodized black for long time corrosion resistance 6,500 rpm 343... Much more significant gain with some better parts, of course, read more about the other of... Leaves room for improvement make sure this fits by entering your model.. Transmission can handle that power few local cars with modified exhausts, or around. Calculate MPG there are tons of companies offering N55 exhausts best performance modifications can... And suggestions the occasional glory run the extra power a modified N55 will have a N55 crank for if... About N55 turbo upgrades, check out our guide on the condition and have taken precautions guide '' the,. You may consider higher-quality oils and timely oil changes are keys to ensuring healthy rod bearings as well when the... Bolt in and can be rewritten for the occasional glory run of unexplained failures in recent years all... The problems are very isolated and uncommon Autowerks Billet crank Hub in store... Our unbiasedBMW tuning articlesto get a much more significant gain with some better...., both with their own specs and drivability differences 365 hp at 6,500 rpm and 343 lb.-ft. of at. At 9.70mm the next time I comment unexplained failures in recent years benefits drawbacks! Features a strong forged crank that holds 800-1000+whp without issue stays happy at engine. Else equal, the more power you throw at the front main bearing which drive... Get it out with as little restriction as possible colder valve with a larger cooler... The best performance modifications that can go on a small block ford, absolutely... The B58, the more you can bring in, at least in theory guide '' if know...

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