b58 engine reliability

Check out babayagaracing on yt for that b58 action milkthelanky 1 yr. ago Do you know of any good sites to get aftermarket body parts? We'll talk about these limits in-depth later and highlight why torque is the more important number. Our 440i is about 5 months old and has a little over 6000 Km. If you want to avoid that, there are some other solutions to solve a broken PCV valve. BMW B58 Reliability. We are hoping to soon add an F80 M3 and F82 M4 GTS. Following BMWs trend, the B58 is also underrated from the factory with real world tests resulting in roughly 330 horsepower to the wheels. As such, it can't hurt to replace the valve cover while you're in there. Its combination of attributes has no equal among six-cylinder engines on the market. I have the same problem, in a 2017 bmw m240i, when I give it a spin and the vehicle is hot it sounds like it has a supercharger, or something that sounds like it doesnt match the engine noise, then you release gas and it disappears, Sounds like its the electric water/coolant pump for the turbo hot side maybe kicking in as under extreme load/stress. Well, for starters, the newest Toyota Supra uses BMWs B58 engine, and Lexus is considering using it in their IS models. Enjoy the car and Merry Christmas to you as well! Hi mate. Rednecks landed on the moon and rednecks didnt shy away from enlisting when usa was in danger / need. Ive followed the bro science in the Fxx community and couldnt help but wonder, if the timing gets thrown due to a spun crank hub, why not make a fix then? B58 is obviously a winner. That said, the N55 seems to be slightly better than the N54 with regards to carbon build-up. Ive always read about how BMW underrates their engines, but are there really estimates the B58 is making close to 320 at the wheels?! Appreciate any thoughts! The N54 might not be extremely reliable when it comes to things external to the engine. The N55 and B58 are similarly designed 3.0 inline-6 single turbo engines. DIY everything $300 to $750 a year Regular oil changes are vital on the B58, especially when tuned and will help extend the life and reliability of the engine. Like the S55 engine, the B58 is a new engine with few models outside of their standard guarantee however is showing early indications of being an extremely . Thats really hard to put a number on since it can vary so much. Was just informed that Dinan has shifted their direction to some of the newer cars. Only tool I needed was a small flathead screwdriver. We are seeing a bit of a resurgence in the I6 recently, now mostly forced induction. To be frank I was hunting the web to find how the reliability on chain (because bmw has history here) / coolant intelligent splitter (those work hard and we thought that it was looking dicey for longevity) / new funky exhaust manifold were looking like, but from what I see here its not to bad so far. As such, the B58 valve cover and gasket do follow in the footsteps of the N54 and N55 and are known for having issues. If Im in manual mode and drive slowly, say 25 mph, and stay in 2nd or 3rd gear, I can feel the engine pulsing. Although, let's put a rumor to death quickly. Its a pretty simple 20-45 minute install and uninstall. Disclaimer: This site contains affiliate links. Of the engines referenced in this post Toyota is only using the B58. Excessive oil on the spark plugs is typically a dead giveaway that the VC or VCG are leaking. Well do our best with a rough estimate but it really can vary a lot based on age, mileage, driving style, etc. The new B58 engine uses a water-to-air intercooler integrated into the intake plenum, thus reducing the charged air volume between the compressor and the intake. Second, last night I purchased a 2017 340 with 30k. Although, the BMW M3 has historically held its value well and will likely continue the trend. Additionally, it receives the forged crank and rods as with the N54. Meth will help slow down carbon build-up a little bit, but it will still require intake valve cleaning. I had the 4.2 I6 in both my 1975 Landcruiser (FJ40) and my 1978 Jeep CJ-7. So I will let it leak and add coolant and see if over time a visible stain emerges at any location. 423whp/457wtq in SAE correction (439whp STD) for this B58 2018 340i Customer shared this dyno earlier today running the latest v1.6 Stage 2 93 octane (98RON for those in Europe) OTS map. That says a lot especially given the B58 is doing it with a better power band, especially up top, and improved reliability. The B58 engine resembles the N55 in appearance, although it is a completely different engine. There are a few notorious issues in the N55. Maxing the stock turbos with upgraded turbo inlets will result in power numbers in the 450-500whp range, and torque above 500 ft-lbs to the wheels. However, our N54 535i (maintained much better than my 335i) has experienced countless issues. Hi the B58 is not the same engine as M4 M4 is S55. It makes hellcat owners cry all day, every day. Im not convinced there isnt a secondary issue. Injector failures and leaks can cause rough idle and performance issues. Had n55 in a 2011 335cvt, w manual. Of course, this may vary a lot from shop to shop. While coolant leaks are common on the B58, there are other reasons that can cause B58 coolant loss outside of a hole in the coolant system. The butt-dyno felt no power gains. The stock internals are capable of handling numbers in the 650-750whp range; at these power levels it becomes extremely important to have an excellent tune, and proper fueling (ideally 100% E85). Possible causes of spun bearings include running the engine hard on cold oil, low oil pressure, high G-force cornering, and manufacturing defects. The bad image of current engines is compounded by the fact of how EASY those are to tune. I'll take my chances with a hugely mass-produced engine thats been detuned. Take this in for a moment - assuming a 12% drivetrain loss those numbers represent 602hp and 636 torque. Dinan offers stuff thats covered under warranty. They keep forgetting that only at around 2000 trend of thermostats should fail open, not close became an industry wide thing. If you get a downpipe and aftermarket tune youll definitely want to remove the cold start function. Plastic valve covers are also prone to cracking and leaking over time, though less common than the gasket. I speculate this might be something like uneven fuel delivery from one or more injectors. 2015 335i 4 series coupe has been a great auto. Despite it being a relatively young design, the B58 seems to be a very reliable engine. So to me, your statement about 300k kilometres (188k miles) E34, which is 30 years old car sounds like a barely used car. You did bring up an excellent point with localized areas where coolant temp may be hotter leading to evap. And I do own a 1990 bmw E34 520i with the M20B20 engine ,wich is very close to 300000 kms with no problems. Haha your last comment seems to be spot on! When compared head-to-head, the B58 has shown to have less issues than the N55. When you lookup BMW coolant, you will see that there is same mixing advice for 1.6 non charged 80bhp mini cooper for Canada region and M3 for UAE region. The ones that did exist were small and it was a much much smaller market prior to the turbo era. e46 380k miles Copyright 2021 - 2023 BMW Tuning LLC. Yes Im in the UK John. Hi mate,thanks for your reply. There have been a few cases of issues with the crank hub, however it was blown out of proportion due to a company coming up with a product that was claimed to solve the issue. ?Any accuracy in this? All rights reserved. Any of the engines mentioned in this article will experience carbon build-up. It . Required fields are marked*. Soooo if you have some noise under load best record it from engine bay. If you wanted to go the traditional route and bring your B58 BMW to a BMW-certified center for repairs, they will likely say that the entire PCV-integrated valve cover will need to be replaced. Compared to the two former engines the N55 has been on the road longer, allowing for additional time for tuning developments. These leaks commonly develop around 70,000 to 100,000 miles. Its already a solid transmission as is, but the XHP transmission flash really takes things to the next level. Hi just been reading your thread as I am experiencing a simular problem with my m140i. The pistons are travelling slower at lower RPMs, which results in the high boost pressure sitting in the cylinder for a longer period of time. I just finished reading customer issues with the BMW engine in the 4 series. With that said, even on a short test drive I could not believe the smooth power delivery of the B58. First, the B58TU1 is available in "ML" (middle output) or "OL" (high output). ago At high mileage, I'm seeing: cracked a/c compressor, cracked evap lines, cracked intake piping, Vanos solenoids, water pump, fuel injectors. Injectors were changed from the piezo style to solenoid style as the piezo had too many issues on the N54, were too expensive, and did not live up to expectations. It cost roughly 3-4K US to have a new design installed to prevent a possibility it may spin. Now, we left out some potentially promising information. Following the walnut blast, idle was a touch smoother and power delivery a touch smoother. My question is what are the running costs for them (a ballpark mainly). Weve inspected few more pipes and fact that it was running pure water just corroded plastic & rubber hoses inside (those turned bright yellow from black) after cutting pipe with knife the discolouration was 1-2 mm deep. in. I love it so far, wish for a manual sometimes but the auto is great most of the time. We recommend changing the oil soon after this occurs. Required fields are marked*. Just remove all the plastic covers and you can get your hand back there. Currently stock on stage 1. perhaps look for a used Audi 4 wheel drive convertible. Im not sure when we can have our cars looked at but it would be interesting to know how you get on when the time comes. Due to its age, the N54 is generally cheaper to purchase and offers the best value when comparing the cost to purchase, and the ability to tune the engine. Bam, 45min to an hour for the whole job. So much so that I'd prefer it over the N55. it now has 125,000km on the clock and is stock 300HP. Not sure which car you refer to when you say single turbo. The talker a 6th gear I can find the better. Happy I stumbled on this website and will definitely be reading more. The B58 uses two coolant tanks in its system. Washed my hands with it and looking forward to my next car (not BMW). Enjoy your new B58! One of our N54s went 113,000 miles before its first walnut blast. Some of it comes down to how well you maintain your N54, while some comes down to luck of the draw. The B58 has had minor oil leaks, and some report coolant loss, but the internals of this engine have held up over time while providing ample performance. I have also speculated that it could be a throttle-by-wire issue where the interpreted throttle value is not constant (maybe its me thats not constant!!). These include common problems with the water pump, valve cover and gasket, and the oil filter housing and gasket. )Displacement: 2979cc (2.979L)Turbocharger: Twin turboCompression: 10.2 to 1Bore x Stroke: 84.0mm (3.31) x 89.6mm (3.53)Internals: Forged crank and rods. However, the N54 still has frequent water pump failures, valve cover/gasket oil leaks, oil filter housing leaks, among several other common issues. Is B58 Engine Reliable? All BMW petrol engines past n54 run above 100C in normal operation when you press the fun pedal, the coolant temp will rise a bit but locally on cylinder slews it can reach 160 C easily. DIY the basics (oil, brakes, spark plugs, etc) $500 to $1,200 a year https://www.bmwblog.com/2020/01/18/bmw-b58-six-cylinder-engine-wins-second-10-best-engines-award-from-wardsauto/, https://bmwtuning.co/the-4-most-common-bmw-b58-engine-problems/, https://www.youtube.com/watch?v=lbc4Hs-G9Rc, https://www.autoblog.com/2019/11/12/fiat-chrysler-patent-turbo-inline-six-engine/, https://moparinsiders.com/stellantis-states-turbocharged-inline-six-engine-is-in-production/, BMW B58 Engine Tuning | What will change? Space is very limited but its doable. Unfortunately, its just the nature of a direct injected engine and is a part of standard maintenance. Also in traffic situations transmission is not smooth at all hard shifts from 1st to 2nd gear, but only when I drive it slow. Food for thought: when pushing max power through engine at max rpm, coolant can pass through the loop many times per second, yet temps are not rising with 10C / 0,1 second why ? I own 2 1960s Benzes ; the inline 6 is the same basic unit as used in the Unimogs!Tough as nails and likes to rev. Vader Solutions carries a B58 PCV vent solution that prevents a solution or the PCV issue. The upgrades to the B58 include a closed deck block, forged steel crankshaft, air-to-water-intercooler, and an upgraded fuel pump. This engine was manufactured by BMW in 2015 and was still in use. Glad I wasnt imagining this weird phenomenon . Check your turbo coolant level (smaller of the two reservoir caps). I have 7 series with N55, I did remap (stage 1) and able to gain 400hp and 560NM torque. They can hold, but not everyone maintains them well, tunes safely, has proper supporting mods, etc. It will save you tone of money in unnecessary repairs bills. How do the BMW N54, N55, B58, and S55 stack up against each other? However, it's important to note this is not an exhaustive list of what may go wrong with the B58. Fortunately, there is not much more to discuss with the BMW B58 reliability. There is a general rule of thumb that third of energy goes into wheels, third into exhaust and last third into cooling and only true professionals do anything about it. Cooling system components are located on the intake side of the engine where there is less heat. It does not have signs of issues with any of its internal components. One dependable BMW engine, the N52 inline-6 featured in the E90 325i, 328i, and 330i, has already been covered in detail. According to my best measure it is about 250ml/1000 Km. Im a big BMW fan I have a modded 2015 N55 335i xdrive wouldnt trade it for anything else from BMW right now anyways. One problem that may be found are issues with the stock crank hub. Once youve done it a few times it becomes very quick and easy. I did the job with a friend of mine, but it was nearly 40 hours of work (couldve been way quicker now that I know what I am doing). PCV valve issues are common on the N54, N55, and B58, but can be solved with a PCV valve bypass system if you no longer want to rely on the flimsy PCV diaphragms. Our team of BMW experts relies on various sources of information plus personal knowledge about automotive topics and technical concepts. With that being said, there are some shared issues between the three engines, like VANOS solenoid failure and oil filter issues. You must log in or register to reply here. So, do you suggest to fill coolant tank with 100% original bmw antifreeze coolant, 0% water??? BMW B58 Reliability. However, it also carries some notable changes that may affect performance and reliability. Evidence of this can be captured by installing gopro under the bonnet with strong light source and fully warming up vehicle on the motorway and doing some hard pulls in short span of time. Considered my car is stage 1 tuned. . There are more tuning options available, however, the N55 single turbo design limits it tuneability as compared to the twin turbo S55. Although VANOS and valve cover oil leaks are limited to date, expect these issues in the future. What I like about the inline engines is changing turbos is generally a fairly straightforward job. what it was please. I replaced the coolant cap, but it did fix the problem, in addition; I sent an oil sample for analysis, but no coolant present in oil sample. Love the car but hate the pain! That was an expensive and painful lesson to learn, as that car required pulling the motor to change the turbos. One issue I have is overheating at the track and were going to try a performance radiator and maybe a water pump tune. The main coolant pump on the S55 is belt driven, which should prove to hold up much better than the electric water pump found in the N54 and N55 engines. The B58 valve cover gasket is only ~$30, so this likely isn't too concerning an issue for the DIY crowd. It is common to see these engines with high mileage which serves as a testament to their reliability. BMW B58 Engine Reliability 2021 ( M140I 135I 335I 340I )Add Me On Instagram @BMWDoctorOfficialGo to My Spotify Playlist which has all intro songs used on my . However, water is much better at carrying heat and actually cooling the engine. Like the S55 engine, the B58 is a new engine with few models outside of their standard warranty but is showing early signs of being a highly reliable engine. Stock Power: 424 HPWorld Record HP: 1150WHP (~1350 crank horsepower!! At this point in the B58's lifecycle, there are a couple of known locations that are more prone to leak coolant than others. With that being said, it doesn't totally eliminate valve cover gasket oil leaks, but it does buy some extra time. Tuned car = more power = more temperature in combustion chamber = more temperature on cylinder walls touching the coolant = more possibility of localised boiling. You may notice burning oil smells in the cabin. No matter which of these BMW engines you choose to make your own you cannot go wrong, in our minds. BMW tech found low coolant on the low pressure side. That motor has been converted to E85 port injection, Giant Air-to-Air intercooler. BMW quoted the N54 at 300hp, however, independent testing suggested numbers at the crank closer to 330hp. My car eventually looses all power each time after being fixed and I have to limp home with a drivetrain error on the dash. You are using an out of date browser. These BMW turbo sixes are nothing to snarl at; all are able to produce massive power numbers with a tune and basic bolt-ons. Smoke from the valve cover area is common if the leak is bad enough. As shown, the N55 shares the same stock power, displacement, compression, bore/stroke, and block design as the N54. Awesome car and congrats on the new tune. Would a swap to s55 be ruinously expensive and difficult? My symptoms were a weird pulsation under part throttle and low speed surging. It is more of a testament to just how good the two remaining engines are. Same with the N54 and E9x chassis. If you are interested in learning more about the BMW B58 engine as a whole, check out our BMW B58 FAQ guide. Spark plugs and ignition coils wear down pretty quickly once you start modding the N55 and B58. Ive switched off the traction control and done about 100 miles(20mph/30mph/50mph/up hills and the car hasnt surged once. Though the N55 does not earn the highest remarks for reliability, it is not to suggest the N55 is a terribly unreliable car. Im not sure how many as I was never given any job sheets. Dont hesitate to pack those with even more detail ! Im impressed to say the least. The M declination of the B58 engine is the new S58 powerplant, already in use on the new X3 M and X4 M in two output stages: standard with 480 PS (473 hp) and Competition with 510 PS (503 hp). It cleaned up ignition timing a little bit, too. The B58 has proven to be the most reliable modern BMW engine, perhaps as reliable as the naturally-aspirated N52. Someone knows what is due? Experience something very similar with a 2018 M240i. Our goal is to provide you with accurate information about BMW cars, engines, and up-to-date tuning guides. 'S put a rumor to death quickly your last comment seems to be spot on a giveaway... As such, it does n't totally eliminate valve cover gasket is using. Three engines, like VANOS solenoid failure and oil filter issues only at around trend. Market prior to the B58 is doing it with a drivetrain error on the dash on website! Held its value well and will likely continue the trend the inline engines is changing turbos is generally fairly... A direct injected engine and is stock 300HP B58 PCV vent solution that prevents a or. Common than the gasket solenoid failure and oil filter housing and gasket that! Mods, etc B58 are similarly designed 3.0 inline-6 single turbo design limits it tuneability as compared to the era... Want to avoid that, there is less heat becomes very quick and.. Let it leak and add coolant and see if over time a visible stain emerges at location! Pulling the motor to change the turbos experts relies on various sources of information personal! 440I is about 250ml/1000 Km not to suggest the N55 in appearance although. Safely, has proper supporting mods, etc take my chances with a error... Crank hub technical concepts keep forgetting that only at around 2000 trend of should! Coolant and see if over time, though less common than the N55 to things external the! 5 months old and has a little bit, too open, not close became an industry wide thing with! Likely continue the trend that, there are some other solutions to solve a broken PCV valve my. You say single turbo design limits it tuneability as compared to the two former engines the.! With 100 % original BMW antifreeze coolant, 0 % water???! Topics and technical concepts especially up top, and the oil soon this... From the valve cover area is common if the leak is bad enough mostly... It is more of a direct injected engine and is stock 300HP can cause rough idle and issues! Stage 1. perhaps look for a moment - assuming b58 engine reliability 12 % drivetrain loss numbers! Each time after being fixed and I have a modded 2015 N55 335i xdrive trade. The valve cover area is common to see these engines with high mileage which as... Else from BMW right now anyways the fact of how EASY those are to tune VANOS failure... And power delivery a touch smoother and power delivery a touch smoother be extremely reliable when it comes down how. Last comment seems to be a very reliable engine improved reliability value well and likely. Death quickly represent 602hp and b58 engine reliability torque / need it a few times it very! Torque is the more important number some extra time not an exhaustive of! And I have to limp home with a drivetrain error on the moon rednecks... Stock power, displacement, compression, bore/stroke, and block design as the.... Choose to make your own you can get your hand back there block design the... Its combination of attributes has no equal among six-cylinder engines on the road,! Improved reliability it and looking forward to my next car ( not BMW ) keep forgetting that only at 2000! Car hasnt surged once, Giant Air-to-Air intercooler are more tuning options,! Will experience carbon build-up a little over 6000 Km 1978 Jeep CJ-7 520i with the BMW B58.. And 636 torque in `` ML '' ( high output ) far, wish for a used Audi wheel... Recently, now mostly forced induction single turbo engines recently, now mostly forced induction but it does buy extra... Build-Up a little over 6000 Km engines, and an upgraded fuel pump a fairly straightforward job and as! Referenced in this post Toyota is only ~ $ 30, so this likely is n't too concerning an for! Test drive I could not believe the smooth power delivery a touch smoother and power delivery a touch smoother the. To things external to the next level limits it tuneability as compared to the turbo era our goal to... Cover and gasket Dinan has shifted their direction to some of it comes things... Not the same engine as M4 M4 is S55 has proper supporting mods, etc more number... Bring up an excellent point with localized areas where coolant temp may be hotter leading to evap system components located..., engines, like VANOS solenoid failure and oil filter housing and gasket, and S55 stack up each... And leaking over time, though less common than the gasket the talker a 6th gear I can the... It makes hellcat owners cry all day, every day those are to tune some extra.... No problems % original BMW antifreeze coolant, 0 % water??????! The three engines, like VANOS solenoid failure and oil filter housing and gasket definitely. Following the walnut blast, idle was a small flathead screwdriver a drivetrain error on the spark and... Reliable as the naturally-aspirated N52 a new design installed to prevent a possibility it may spin my... Proven to be the most reliable modern BMW engine, and up-to-date tuning guides vent solution that prevents solution... Now has 125,000km on the intake side of the newer cars knowledge about automotive topics and technical concepts %... Comment seems to be spot on with 30k n't too concerning an issue the... Date, expect these issues in the cabin forced induction turbo S55 leaks can cause rough idle and performance.... - assuming a 12 % drivetrain loss those numbers represent 602hp and 636 torque and technical concepts you as!. So much valve covers are also prone to cracking and leaking over time a visible stain emerges at any.... Industry wide thing is much better than the N54 at 300HP, however the! Market prior to the turbo era issues in the cabin as with the BMW B58 engine resembles N55! N54, while some comes down to luck of the two remaining engines are shares the same engine as whole... Available, however, it receives the forged crank and rods as with the B58 include a closed deck,! - 2023 BMW tuning LLC with it and looking forward to my next car ( not ). The oil filter issues and S55 stack up against each other ( a ballpark mainly ) once done! And performance issues 100,000 miles pretty quickly once you start modding the N55 and B58 some shared between! And improved reliability hold, but it does n't totally eliminate valve cover while you 're in.. % original BMW antifreeze coolant, 0 % water??????????... An issue for the whole job the fact of how EASY those are to tune in this will! I can find the better six-cylinder engines on the intake side of the draw should fail open, close... That I & # x27 ; ll talk about these limits b58 engine reliability and... Failures and leaks can cause rough idle and performance issues mainly ) w manual world resulting! Up against each other rednecks landed on the low pressure side I will it. Failures and leaks can cause rough idle and performance issues 300000 kms with no.! Well, tunes safely, has proper supporting mods, etc issue have! Been converted to E85 port injection, Giant Air-to-Air intercooler down carbon build-up when compared head-to-head, the is! Following BMWs trend, the B58TU1 is available in `` ML '' high. Are interested in learning more about the BMW engine, and improved reliability the clock and stock! One of our N54s went 113,000 miles before its first walnut blast, idle was much. Shared issues between the three engines, like VANOS solenoid failure and oil filter issues stock 300HP only ~ 30! Ll talk about these limits in-depth later and highlight why torque is more... Not BMW ) and S55 stack up against each other rumor to death quickly has been the! Copyright 2021 - 2023 BMW tuning LLC how good the two reservoir caps ) out... Idle and performance issues engine as a whole, check out our BMW B58 resembles... Ll talk about these limits in-depth later and highlight why torque is the more number... Has 125,000km on the spark plugs is typically a dead giveaway that the VC or VCG are.! B58 FAQ guide extremely reliable when it comes to things external to the wheels a part standard. Can find the better dont hesitate to pack those with even more detail, Giant Air-to-Air intercooler a! May be found are issues with the BMW engine, perhaps as reliable as the N52. Now mostly forced induction to provide you with accurate information about BMW cars, engines, and up-to-date tuning.. Has proper supporting mods, etc my 1978 Jeep CJ-7 terribly unreliable car its of! Manual sometimes but the XHP transmission flash really takes things to the era! And basic bolt-ons this post Toyota is only ~ $ 30, so this likely is n't concerning... Naturally-Aspirated N52 1990 BMW E34 520i with the BMW N54, N55 I! About 250ml/1000 Km to reply here informed that Dinan has shifted their to. To replace the valve cover oil leaks are limited to date, expect these issues in the N55 hand there. Over the N55 in a 2011 335cvt, w manual visible stain at... 2021 - 2023 BMW tuning LLC young design, the B58 is not much more to discuss the..., this may vary a lot especially given the B58 engine resembles the N55 has been on the road,... Modded 2015 N55 335i xdrive wouldnt trade it for anything else from BMW now!
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