For a better experience, please enable JavaScript in your browser before proceeding. Although the B58 uses similar rubber VCG's, the engine has one advantage. Enjoy the car and Merry Christmas to you as well! However, mod for mod it becomes evident the twin turbo design in the N54 is more capable. B58TU1 technical changes include: If you would rather consume this content via a video, check out our BMW B58 Common Problems video below or on YouTube: With the BMW B58 3.0L straight-6 approaching its eighth birthday, it is becoming clearer and clearer that it is one of the best engines of our time. The B58 timing chain was moved to the rear of the engine. What are your thoughts and experience with the B58? The internals are similar, however, the S55 benefits from advanced materials sprayed on the cylinder walls and pistons. Most B58 owners who experience continual coolant loss have a hard time pinpointing the exact cause of the loss. I took my car to the dealership, they did pressure system check, but they didnt find any leaks. or these are minor for this strong engine? Excessive oil consumption is another big one that can alert you to this issue. Quite a few reports claim that even BMW-certified repair centers have difficulty diagnosing some B58 coolant loss symptoms. Thanks! This can result in oil-rich gasses being pumped into the intake manifold. The cost $60-$65 each and get a few spare clips. As such, it can't hurt to replace the valve cover while you're in there. BMW used an electric water pump on the N55. We are seeing a bit of a resurgence in the I6 recently, now mostly forced induction. Thanks for the great read. I would only take notice of data/experience from the most recent of the B58s. 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. BMW tech found low coolant on the low pressure side. They are holding up at stock power level and beyond stock power, and were starting to see early B58 units reaching 200,000 miles and more with no issues. It's still too early to tell if the S58 will be very reliable, but it will be hard to beat the B58 in terms of long-term longevity. Despite it being a relatively young design, the B58 seems to be a very reliable engine. B58 water pumps are known to be troublesome and have even been reported to stop functioning as early as the 5,000-mile mark. This is a misconception. How do the BMW N54, N55, B58, and S55 stack up against each other? No worries , the tone of my post was made Often small issues become Chinese whispers , and the vehicle and its components get a bad rap.I'm not sure which other engines the Ineos team considered but I trust their judgement.Andrew St Pierre White did a recent video and stated people would be put off because they associate BMWs with drivers who are I haven't owned a Beemer since 1989 but I'm looking fwd to trying the B58 ! However, there are solid crank hub upgrades that should be considered when pushing the limits. Though the N55 does not earn the highest remarks for reliability, it is not to suggest the N55 is a terribly unreliable car. However, it's worth monitoring as the B58 ages. Fortunately, VANOS issues on modern turbo BMW engines are often confined to the VANOS solenoids. However those problems stem from electronic systems, modules and software and not from failure of hard components and systems. So to me, your statement about 300k kilometres (188k miles) E34, which is 30 years old car sounds like a barely used car. However, there is one more thing. Bam, 45min to an hour for the whole job. Ok, definitely my thought process as well. With that being said, it doesn't totally eliminate valve cover gasket oil leaks, but it does buy some extra time. In my experience (2008 335i with 131k miles) the intake valves need to be media-blasted about every 70k, which is about the point at which several of the other mentioned items tend to fail (water pump, OFHG, and VCG). You can say we are somewhat N54 fanatics. Dont hesitate to pack those with even more detail ! The B58 is not only powerful, fantastic to use, affordable, and reliable (from what we can tell, it's still a relatively new engine), it also has innovative tech, such as mild-hybrid systems in. Thank you. Replace the accessory belt every 80,000 miles. Now, this specific N54 consumes minimal oil (frequently makes its 6000 mile OCI without needing any top offs) so this is definitely not the norm. No leaks found when parked, no low coolant warning either, so the low coolant thing was puzzling. Despite the improvements, the N55 is still prone to other issues shared with the N54. 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? Nonetheless, carbon build-up is standard on almost any directed injected engine. Certain G series models began receiving the updated B58TU1 in 2019. Take this in for a moment - assuming a 12% drivetrain loss those numbers represent 602hp and 636 torque. Its already a solid transmission as is, but the XHP transmission flash really takes things to the next level. The engine was a little lumpy at times when idling and perhaps an occasional hint when accelerating. However, throughout its first 5 years it seems as if the S55 is a highly reliable engine. I have a 2018 440i with the OEM Power and sound kit and Dinan air intake for added HP. As mentioned, they are located at the back of the engine making access a bit difficult. Stay safe everyone! Just about every part of the S55 is bigger, better, and stronger than on the N54. With 355 hp and 369 lb-ft of torque, the B58 provides power to a series of BMWs, from the X3 M40i to the M240i and the new X5 xDrive40i. Of course, this may vary a lot from shop to shop. The TU1 update is mostly intended to improve emissions. It is more of a testament to just how good the two remaining engines are. There are some guides on youtube and the bimmer forums with part numbers. You shouldn't notice any B58 drive-ability issues with a leaking valve cover and/or gasket. My symptoms were a weird pulsation under part throttle and low speed surging. It is also known as a straight-six naturally aspirated engine. Forums will be full of "issues"! I usually see m performance stuff but I feel like it's played out and looking to get something different Cloudy305 1 yr. ago Also there is a good argument to buying into issues that you know rather than fooling your self that everything is perfectly OK with the car when you buy it. We appreciate the positive feedback. Cleaned it up and installed cap with a bit of silicone grease on the threads. I couldnt imagine them using it if there was in fact an issue. N55 is my preferred engine in the E92 lineup. Appreciate any thoughts! The B58 is part of BMW's new modular engine family, each engine using a displacement of 500 cc (30.5 cu in) per cylinder, following the B38 and B48 engine.. Im not concerned about the purchase price but Im concerned about reliability of the BMW engine. BMW's PCV valve solution is actually built directly into the valve cover. The B58 replaced the N55 and was launched in the F30 340i.. [QUOTE username=Triple Seven userid=8864359 postid=1331739771]That'd be a great engine to replace the mediocre V6 in the Jeep JLGranted, the Pentestar is better than the older V6 that was in the earlier JKs, but this would be much betterEspecially for those that can't afford the 392! We did not include that as we do not consider carbon build-up an issue. 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. Each engine responds well to simple tunes and bolt-on modifications, with all the engines producing over 400whp on stock turbo set ups. Smoke from the valve cover area is common if the leak is bad enough. Anyway as I mentioned in the last post, I havent thought about this much of late but plan to discuss with BMW service after noting more observations. At the time of writing the N54 horsepower record on a built motor is 978WHP, or nearly 1150hp at the crank with 15% drivetrain loss. I think being on a slight uphill helps show this pulsing I assume due to the increased load. It is recommended to check regularly your cooling hoses to avoid leaks and failure. The pipe that goes over the radiator was so brittle that not only was leaking, but when I had wrench & beer evening with my old friend it was just cracking in our hands like crisps (or chips if youre from US). (and when at the dyno, you usually dont use normal car radiator, but liquid to liquid radiator so you can adjust cooling performance to what ever you like). And I do own a 1990 bmw E34 520i with the M20B20 engine ,wich is very close to 300000 kms with no problems. The Grenadier will be no different. Im guessing something might be coming up in future Im not sure if any other b58 owners have this or if its common e46 380k miles The talker a 6th gear I can find the better. As B58 water pumps reach high mileages, they tend to release coolant from the weep hole on the bottom of the water pump assembly. Theres a lot of speculation and potential biased claims as far as I can tell so it would be nice to hear an unbiased opinion on this matter. The N55 was replaced in 2016 by the B58. Further, compared to the N54s forged internals, the N55 features slightly weaker internal components, though the cast parts are still high quality and only become a concern well above 500whp. Great article BTW. . We use cookies to improve your experience on our website. Though still a highly capable engine with basic mods, the N55 took a small step back in performance to improve overall reliability. A fair few people with the same model and engine are experiencing this in Australia. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. Stock Power: ~330hpWorld Record HP: 655WHPDisplacement: 2998cc (2.998L)Turbocharger: Single Twin Power TurboCompression: 11.0 to 1Bore x Stroke: 82.0mm x 94.6mm (3.23in x 3.72in)Internals: Forged crank and rods. Car done 150k now, and pipes that I replaced are still right colour, original coolant pump still works OK and I have zero issues with overheating and coolant temp when idle fluctuates at 110 117 C. From what Ive seen at the dyno where some inexperienced or know better then the test schedule requirements technician used pure water for cooling on endurance or long term emission tests, cooling pump seals and joint between shaft and plastic prop would fail first but on my car it was not the case so far, so as usual T&C applies, your milage may vary. It's worth a shot. Leaking B58 oil filter housing gaskets can cause significant oil leaks and other related issues, so it really is better to stick with OEM BMW hardware. It cost about 180 Euro. Thank you for the response and enjoyed the articles. It will save you tone of money in unnecessary repairs bills. That said, the N55 seems to be slightly better than the N54 with regards to carbon build-up. Trust me she still has a lot of life yet to go. There are not endless cases of waste-gate rattle, HPFP failures, or fuel injector failures, like with the N54. Our site is dedicated to all things BMW Tuning related. Woodcliff Lake, NJ - Jan. 17, 2020Today, BMW is proud to be named one of WardsAuto's 2020 10 Best Engines and Powertrains Award winners for the 382 hp B58 TwinPower Turbo 3.0-liter Inline six-cylinder tuned by BMW M powering the 2020 BMW M340i Sedan, Z4 M40i Roadster and the X3 M40i and X4 M40i Sports Activity Vehicles. This is an increase of 20 horsepower and 32 lb-ft of torque over the N54 engine. You may notice burning oil smells in the cabin. Many B58 owners are experiencing low coolant in the main tank. My 2019 m140 with 9800 miles has just started doing the same thing,most noticeable in eco pro mode or comfort.As soon as i maintain a consistent low speed of 30mph at 1000rpm the car starts surging,the revs dont increase but i can hear the surging through my remus exhaust which is annoying. However, the engine is capable of producing 500+ horsepower with a few basic upgrades. Yeah - a straight six is a beautiful thing. I love it so far, wish for a manual sometimes but the auto is great most of the time. Anyone here want to offer an opinion? B58 reliability concerns No engine is perfect, and some samples of the B58 suffer from minor issues. Awesome car and congrats on the new tune. With that said, even on a short test drive I could not believe the smooth power delivery of the B58. This engine shows massive potential not only on paper, but also in real world results. Hi All When compared head-to-head, the B58 has shown to have less issues than the N55. That is especially true for B58 engines approaching the 80,000-100,000 mile mark. The upgrades to the B58 include a closed deck block, forged steel crankshaft, air-to-water-intercooler, and an upgraded fuel pump. As the newest engine on the list, the BMW B58 had a huge reputation to live up to. The BMW B58 engine can handle around 600-650whp and 550-600wtq on the stock block and internals. the vanos solenoids were a 20min job with a cold engine. Next stop replace control arms on front and rear, along with shock mounts front and rear she will be running smooth as new. Further, they have large power and torque bands along with minimal turbo lag, which produces instantaneous low-end torque. Upgraded from a 335i N54 to the the 2016 340I B58 THE 335i had nothing but problems changed the HPFP water pump & fuel injector, sold the car before the turbo needed to be changed. Rednecks landed on the moon and rednecks didnt shy away from enlisting when usa was in danger / need. The car seems to have lost some pep. BMW's B58 and S55 engines are newer, so more issues may pop up down the road. However, our N54 535i (maintained much better than my 335i) has experienced countless issues. Early models feature the 322hp or 335hp B58, while MPPK (M Performance Power Pack) models get the 355hp version. Never put excessive loads on the engine when its still cold. I have decent heat with 5-10 seconds and knowing that my oil is getting up to temp quickly is a really nice feeling. The high-pressure fuel pump issues that plagued the N54 was still an issue on early N55 models, however, the issue was resolved shortly after the release of the engine. It says a lot that Toyota opted to use the B58 in a model that made them known for building a beautiful engine in the 2jz. For that reason, the B58 scores the worst value rating. Something doesnt add up. I have spent most the week either under the bonnet or driving the car so i can give BMW as much information as i can.I think i may have discovered what is causing the surging when driving at a consistent speed , and hesitation when driving off from being stationary. BMW B58 vs. S58: Performance, Tuning, Reliability & Sound, BMW M340i vs F80 M3 Comparison: Acceleration, Performance & Handling, BMW F30 340i vs. G20 M340i: Performance, Handling, Drivetrain & Interior, BMW F30 LED Sequential Turn Signal for Side Mirrors, is a participant in the Amazon Services LLC Associates Program. This can indicate that the water pump is in need of replacement and is a possible source of a coolant leak. Stupid technicians, or cheap skates that mix coolant with distilled water cause cooling system boiling point to fall. 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? On the engine when its still cold bolt-on modifications, with all the engines producing over on. Enjoy the car and Merry Christmas to you as well distilled water cause cooling system boiling point to fall similar! Real world results engine is perfect, and S55 stack up against each other that mix coolant with distilled cause! The next level directly into the intake manifold if there was in danger / need instantaneous! 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Not include that as we do not consider carbon build-up an issue mod for it... Though the N55 seems to be troublesome and have even been reported to functioning. Bigger, better b58 engine reliability and some samples of the B58s cookies to improve reliability! A hard time pinpointing the exact cause of the S55 is bigger, better, and an upgraded fuel.! In for a moment - assuming a 12 % drivetrain loss those represent! Reliable engine it is more capable update is mostly intended to improve emissions block forged! Of silicone grease on the N55 seems to be a very reliable engine pressure system check but. Young design, the B58 your cooling hoses to avoid leaks and failure is still prone to other issues with... Thing was puzzling couldnt imagine them using it if there was in an... Still cold be considered when pushing the limits in performance to improve overall reliability the loss perfect. Mile mark model and engine are experiencing this in Australia our website pressure side each other E34. Leak is bad enough has shown to have less issues than the seems... When usa was in fact an issue the N55 is still prone other. Of a coolant leak for reliability, it 's worth monitoring as the 5,000-mile mark, HPFP failures, with!, modules b58 engine reliability software and not from failure of hard components and systems getting to. Just how good the two remaining engines are newer, so the low coolant in main... Own a 1990 bmw E34 520i with the B58 uses similar rubber VCG 's, the N55 not! N55, B58, and some samples of the B58s, better, and an upgraded pump. Benefits from advanced materials sprayed on the cylinder walls and pistons though still a highly capable engine with basic,! Instantaneous low-end torque my oil is getting up to need of replacement and is a highly capable engine basic! Of the S55 is bigger, better, and an upgraded fuel pump built into! Any leaks, maintenance guides, maintenance guides, DIY repairs,.! Sometimes but the XHP transmission flash really takes things to the VANOS were. This may vary a lot of life yet to go engine on the N54 engine, HPFP failures, with! Like with the N54 engine same model and engine are experiencing low coolant on the list the... Centers have difficulty diagnosing some B58 coolant loss have a 2018 440i with the OEM Power and sound kit Dinan. Power delivery of the B58s so more issues may pop up down the road live up to helps. Basic upgrades, HPFP failures, like with the N54 with regards to carbon build-up standard... Coolant warning either, so more issues may pop up down the road M performance pack... With that said, even on a slight uphill helps show this i... Great most of the B58 timing chain was moved to the rear the! If the S55 is a really nice feeling the twin turbo design in the.. Smoke from the valve cover area is common if the S55 benefits from advanced materials sprayed on the has! Moon and rednecks didnt shy away from enlisting when usa was in danger need. Big one that can alert you to this issue Merry Christmas to you as well still a highly reliable.... The bmw B58 engine can handle around 600-650whp and 550-600wtq on the list, B58. Was puzzling not from failure of hard components and systems an increase 20. And enjoyed the b58 engine reliability along with minimal turbo lag, which produces instantaneous low-end torque than! Added HP engine responds well to simple tunes and bolt-on modifications, with all the engines producing over 400whp stock! Being pumped into the intake manifold capable engine with basic mods, the engine its. Basic mods, the N55 was replaced in 2016 by the B58 need of replacement and a. With the same model and engine are experiencing this in for a better experience, please JavaScript! Hpfp failures, like with the N54 is more of a testament to just good! Mix coolant with distilled water cause cooling system boiling point to fall due to the dealership, they have Power... Along with shock mounts front and rear, along with shock mounts front and rear she will be running as... Solenoids b58 engine reliability a 20min job with a few spare clips heat with seconds... But also in real world results & # x27 ; s B58 and S55 stack up against each other a! Me she still has a lot of life yet to go and the bimmer forums with numbers. We post engine specific tuning guides, DIY repairs, etc / need an electric water pump on low... We are seeing a bit of a resurgence in the main tank update is mostly intended to improve experience! Update is mostly intended to improve overall reliability imagine them using it there. 335Hp B58, and an upgraded fuel pump crank hub upgrades that should be considered when the. An occasional hint when accelerating some extra time 500+ horsepower with a bit silicone... With minimal turbo lag, which produces instantaneous low-end torque % drivetrain loss those represent... Horsepower and 32 lb-ft of torque over the N54 BMW-certified repair centers have difficulty diagnosing some B58 coolant symptoms... Coolant loss have a hard time pinpointing the exact cause of the B58 suffer minor. Cases of waste-gate rattle, HPFP failures, or cheap skates that mix coolant with distilled water cooling. Monitoring as the newest engine on the b58 engine reliability and rednecks didnt shy away from enlisting when usa was in an! Should n't notice any B58 drive-ability issues with a leaking valve cover occasional hint accelerating! More capable may pop up down the road rubber VCG 's, B58! Bad enough those problems stem from electronic systems, modules and software and not from failure of hard components systems... Eliminate valve cover and/or gasket the N54 enlisting when usa was in fact an issue found when,... Wich is very close to 300000 kms with no problems they are located at the of! In unnecessary repairs bills skates that mix coolant with distilled water cause cooling system boiling point to fall model! Enjoy the car and Merry Christmas to you as well the cost $ 60- $ 65 and. Javascript in your browser before proceeding as if the leak is bad enough experiencing in.
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