From my understanding it is a fine engine.Disassembly is easy ; the time consuming and risky part is remembering to put all the bits back in the right order!Main costs of maintenance will be consumables such as tyres and brakes. Answer (1 of 5): To be fair, BMW has definitely had its share of reliability problems over the past few years. Yeah the I6 is a lovely engine that, if fitment allows, works great in any Application. This has been done today and i have driven the car for 20 miles in eco pro and comfort and the car drove perfect,but i will still be keeping an eye on it. I speculate this might be something like uneven fuel delivery from one or more injectors. Though, if your B58 is under warranty, you may as well push for a new oil filter housing if possible. Would a swap to s55 be ruinously expensive and difficult? Just purchased a 2021 M340. Here are a few reasons why the B58 is less likely to exhibit some common issues on the N55. Whats your thoughts on this? Nonetheless, we think its natural progression with BMW tuning in general. Following the walnut blast, idle was a touch smoother and power delivery a touch smoother. Great article BTW. Stock power comes in significantly underrated at 424hp, while independent testing shows similar numbers to the wheels. (cold start is just supposed to head up the catalytic filter in the downpipe, so thats why its commonly removed after catless downpipe installation.)e. One dependable BMW engine, the N52 inline-6 featured in the E90 325i, 328i, and 330i, has already been covered in detail. Im looking to buy a used 2019-2020 BMW xdrive convertible with less than 10 k miles. I took my car to the dealership, they did pressure system check, but they didnt find any leaks. Although, VANOS work can be done without lifting the engine. DIY the basics (oil, brakes, spark plugs, etc) $500 to $1,200 a year Your email address will not be published. Original BMW coolant (the one in 1.5 litre bottles) has boiling point of 180 C and when pressurised in normal coolant loop, boiling point raises to 190 ~ 200 C however if you mix it with water 50-50% you can expect those numbers to be 140C for unpressurised, 150-1160 C pressurised. It felt a tad quicker than my current car, BUT steering feel was much more muted/less direct. Just bought a 2017 340i and I really love the B58 so far. Its already a solid transmission as is, but the XHP transmission flash really takes things to the next level. However, come 100k miles, you will need to replace a large number of difficult to reach items and gaskets. I had the 4.2 I6 in both my 1975 Landcruiser (FJ40) and my 1978 Jeep CJ-7. Your comments are welcomed. BMW quoted the N54 at 300hp, however, independent testing suggested numbers at the crank closer to 330hp. We are hoping to soon add an F80 M3 and F82 M4 GTS. now have 2015 435i with performance kit installed + performance exhaust just ordered a 2020 M340i 6-8 weeks to go on wait. BMW Reliability Most Reliable BMW Engines. Good luck with finding the issue with yours. Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. 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 ? Consequently, I just ordered the BootMod3, which should be installed next week. BMW really is the Ultimate Driving Machine! Was stock. Own 2014 535ix great engine, but with common problems at 83 k miles valva cover gasket and oil filter gasket leaking. When the N54 first popped up in 07 there were hardly any performance/tuning companies out there. After all, the stock engine is rated at 300hp and BMW is not necessarily designing the engine with the idea of more than doubling the power. Other common problems with similar symptoms include worn or faulty ignition coils, spark plugs, and injectors. or these are minor for this strong engine? . in. VANOS is BMW's terminology for VVT, or variable valve timing. All things considered, the N55 was still an improvement over the N54 in terms of reliability. The B58 has proven to be the most reliable modern BMW engine, perhaps as reliable as the naturally-aspirated N52. BMW's B58 and S55 engines are newer, so more issues may pop up down the road. Same with the N54 and E9x chassis. B58 Reliability: I hear it will be good long term. Just go hard more. We havent had any issues with coolant loss on the N54 (apart from when theyve developed actual leaks). It is a continuing issue on the B58 and one of the most common B58 engine problems. Just remove all the plastic covers and you can get your hand back there. BMW's B58 engine also provides a great balance of fuel economy and reliability. The B58 engine produces 320 horsepower and 332 lb-ft of torque in the F30 340i. The N54 is a legend in the tuning world, the N55 built off that and improved reliability, and the S55 is a force to be reckoned with in power, tuning, and reliability. We appreciate the input and you bring up some potentially valid points. Save my name, email, and website in this browser for the next time I comment. We think the Supra carrying the B58 helps the platform a lot, too. 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.. Independent repair shops often have much better pricing, but repairs will still be expensive if and when theyre needed. You must log in or register to reply here. The engine was recently updated and it will be featured in 2019 onwards models, like the M340i. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. The car seems to have lost some pep. However, our N54 535i (maintained much better than my 335i) has experienced countless issues. Do you want to get more excitement out of your B58-powered BMW? The bad image of current engines is compounded by the fact of how EASY those are to tune. Ive had fuel injectors, coil packs and spark plugs changed. The N55 was a technologically advanced engine at the time that brought many reliability improvements over its successor but was inherently not as strong as it could have been due to a cast crankshaft and an open deck block. Usually, owners dont report major issue. It has been shown that the B58's coolant tank cap has been the source of lost coolant for some owners. Unfortunately, its just the nature of a direct injected engine and is a part of standard maintenance. 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. As valve cover and oil filter housing leaks are common on a lot of BMWs I would not be surprised to see these issues popping up as the engine continues to age. Cant wait to compare the BM3 to the Dinan Stage 1. The ML variant makes 335hp while the OL features a staggering 382hp. Only truly good engines bmw made were M20B20 series(2.0, 2.5 , 2.7) and the big sixes M30B35 along with all its smaller or bigger versions. So I will let it leak and add coolant and see if over time a visible stain emerges at any location. Its a pretty simple 20-45 minute install and uninstall. In terms of engine and chassis design, BMW is still one of. Not an ideal strategy, but at this point Im not ready to let dealership mechanics to tear this car apart. Im a big BMW fan I have a modded 2015 N55 335i xdrive wouldnt trade it for anything else from BMW right now anyways. The N55 and the B58 share a similar design but are very different engines. They can hold, but not everyone maintains them well, tunes safely, has proper supporting mods, etc. There was a recall issued in 2016 for a small batch of B58 engine to check and Replace Crankshaft Guide Bearing. The B58 oil filter is prone to shearing at the bottom. Possible causes of spun bearings include running the engine hard on cold oil, low oil pressure, high G-force cornering, and manufacturing defects. Either will be plenty of HP in stock form, but I would probably do intake, down pipe, and exhaust, and replace all known gasket and seals that can be issues before installation. The N54 was plagued with early issues including the HPFP, turbo waste-gate rattle, and leaking/faulty fuel injectors. The new injectors found on the N55 are not nearly as problematic as the piezo injectors. Ever since BMW released the VANOS system in 1992 this has been a common problem and maintenance item. After the success of I6 naturally aspirated engines: M54 and N52, BMW switched to turbo engines. Ill take it up with the dealership once we are all in better times. Yes Im in the UK John. Washed my hands with it and looking forward to my next car (not BMW). Still, every rig that Ive run on emission testing by rule of thumb if there was more than 75 bhp / litre of displacement we would just run it on pure glycol you know, when you try to plot efficiency map on low charged 2 litre diesel (or god forbid DV4/ DV5 /DV6 engines) it makes no point, but if you start playing with something like 2 litre & 200 bph, then local boiling does happen all the time on long pulls with 50/50. One thing BMW knew for sure, though, is the N55 needed to provide better reliability. I found remove driver side first. Ultimately its up to you ( sorry for being blunt, but keep reading there is a point to that ;D ), brand new car = least issue & most money, old ragged car = cheapest & most issues. 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. 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. Crank and block should be plenty strong to handle 800+whp. However, it's important to note this is not an exhaustive list of what may go wrong with the B58. I eventually sold my car back to the dealership without me ever getting g to the bottom of the issue. Hi Adam, Thanks for the information. e90 200k miles. So much so that I'd prefer it over the N55. A fair few people with the same model and engine are experiencing this in Australia. Never made it past simple bolt-ons and a stage 1 tune, but the car was super fun and reliable up to 103,000 miles. The crank hub on the S55 is similar to the one on the N54, which has not known to be a common issue at all. Sometimes, B58 coolant loss can be dependent on other things as well. However, this may not be necessary in most cases. With that said, even on a short test drive I could not believe the smooth power delivery of the B58. Great point regarding walnut blasting. Then, after I had an e60 550 totaled by a drunk driver, I got an f10 535i with the n55. Regular oil changes are vital on the B58, especially when tuned and will help extend the life and reliability of the engine. Bmw engines and cars have turned to money pits ,unreliable things that should/must be avoided. Trust me she still has a lot of life yet to go. There really should be no such thing as natural coolant loss. Im not sure what my fault codes were if they even point toward the VANOS but my car is hesitant when accelerating, surging at times and seems like its lacking power.. its definitely not a smooth ride and has been a persistent problem even after the parts mentioned above being replaced. But different people have different priorities in life, so I cant decide for you how you want to spend your free time ! document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This is a wonderful post so clear and easy to follow. While gearbox (even manual ones) were a constant issue in the past now I cant remember anybody that did not mod the car to have a single issue with one. Completely misread that. Huh, B58 can make a lot of power and is the best for reliability. So please stop sawing the disinformation about bad bmw reliability, that typically is hallmark of Fix Or Repair Daily shitboxes. Cast pistonsBlock Design: Open-deckRedline: 7000Injectors: Piezo direct injection. Pistons are not forged, however they're pretty strongBlock Design: Closed DeckRedline: 7500Injectors: Bosch solenoid style direct injectors. However, it wasnt as drastic of an improvement as some say. Thanks. The pistons are cast, but remain strong, and the B58 receives Electric Arc Wire Spraying on the cylinder walls. The most common cause of B58 OFH gaskets failing is replacing the factory unit with an aftermarket solution. Tuned car = more power = more temperature in combustion chamber = more temperature on cylinder walls touching the coolant = more possibility of localised boiling. )Displacement: 2979cc (2.979L)Turbocharger: TwinPower Single TurboCompression: 10.2 to 1Bore x Stroke: 84.0mm (3.31) x 89.6mm (3.53)Internals: Cast internalsBlock Design: Open-deckRedline: 7000Injectors: Bosch solenoid style direct injectors. A simple JB4 piggyback tune and a small E85 mixture push this beast to nearly 530whp and 560wtq. 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. The 5 Most Common BMW N55 Engine Problems Failures & Performance Problems, BMW N54 335i Cost of Ownership Maintenance & Repair Costs, Your email address will not be published. TwinPower Turbo which is a twin scroll single turbo. The BMW B58 engine is a turbo 3.0L inline-6 that was first introduced to BMW models in 2016. I'm a fan of servicing my vehicles probably more than they need it, but then you've always got piece of mind. However, as the engine ages, we recommend replacing the valve cover along with the gasket. N55 is my preferred engine in the E92 lineup. what a great site you have! I owned a 2001 Audi S4 and I blew a turbo once going a little too hard on the throttle while it was still cold. The B58 is definitely an awesome engine and were impressed with how quickly things are moving forward with the platform. This isn't absolutely necessary but will help get any possible filter debris out of the oil. We use cookies to improve your experience on our website. Although, let's put a rumor to death quickly. It is recommended to check regularly your cooling hoses to avoid leaks and failure. Ram/Jeep had plans to come out with a turbo powered I6 to replace the 5.7 Hemi, but nothing seems to have come from that. Therefore, I will not purchase a BMW unless it is a certified BMW. If youre having any warranty work done youll probably want to remove the JB4 tune to error on the side of caution. my buddy still has: The most common problems are water pump failure, cracked charge pipe, valve cover gasket leak, and oil filter gasket leak. Not sure which car you refer to when you say single turbo. Thank you. The N54 is an awesome power plant and i have replaced the rocker cover, gasket, oil pump gasket and one fuel injector. should i stay away? The B58 is part of BMWs newest objective in the B series engine family; reducing cost by using the same bore, stroke, block, rods, pistons, etc as the other B series engines. Solenoids don't usually fail instantly, but rather become less effective with time and age. As we stated early, B58 engine problems are far less common than engine problems on BMW's earlier turbocharged straight-6 engines. So much too learn, so little time. The B58 is undoubtedly a better performing engine than the N55, with many improvements in terms of power delivery and efficiency. I have a 2011 535i M Sport with 200k miles. In the years to come, the B58 will be an excellent performance value, but it is too far from it right now. The B58 has more horsepower and torque then the N55. Where the gasses end up is dictated by a diaphragm in the PCV system. We may receive a commission for purchases made through these links. Once youve done it a few times it becomes very quick and easy. All of the power also comes coupled with reliability, which only ranks below the B58 due to the nature of the S55 being a higher performance engine that will generally cost more to maintain. Leave a comment and let us know. The cap leaking does seem to be a part of the cause. We'll talk about these limits in-depth later and highlight why torque is the more important number. Second, last night I purchased a 2017 340 with 30k. According to my best measure it is about 250ml/1000 Km. Be prepared for potential B58 oil leaks from the valve cover gasket. Maximum PSI seems to make a good one. BMW learned many lessons from the N54 and N55 and used this knowledge to engineer the B58; an engine with stronger internals, a more robust cooling system, and an improved fueling system for increased reliability. | BimmerTech, (North America) INEOS OUTLINES ITS PLANS FOR SELLING AND SERVICING THE GRENADIER WORLDWIDE, (United Kingdom) INEOS OUTLINES ITS PLANS FOR SELLING AND SERVICING THE GRENADIER WORLDWIDE, (Sub Sahara Africa) INEOS OUTLINES ITS PLANS FOR SELLING AND SERVICING THE GRENADIER WORLDWIDE. I have a 2018 440i with the OEM Power and sound kit and Dinan air intake for added HP. However, the engine is capable of producing 500+ horsepower with a few basic upgrades. Zd30, land rover TDv6, a few of the Ford diesels yet still you see some of them with 100s of thousands on the ODO. Any bmws with the 40 engine will have the b58 including the Z4 and mk5 supra, Did the crank hub in the S55 get revamped for Toyota? The Grenadier will be no different. Was just informed that Dinan has shifted their direction to some of the newer cars. Hi All There's a difference between durability and reliability. Crankcase re-design (crankshaft and walls), Updated cylinder head with integrated manifold, Engine hesitation and bogging, especially at lower RPM's. Land Rover had years of snapped crankshafts on the diesel Disco 4's, timing chain and plastic coolant components grenading engines for the petrol ones. . Peak power at just around 16psi. (4.2 l)My '06 TJ has the 4.0 l The CJ-7 was naturally asperated, (carbureted) and had some sensitivity there, but my 4.0 l is fuel injected and has been rock solid! [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! Thank you for the response and enjoyed the articles. Could you give me some advice about this problem? Often it comes down to the luck of the draw and how well the engine is maintained, but overall, expect the B58 to be a reliable engine. An S55 powered M3 can be found for roughly $10,000 more than a B58 car. The B58's cooling system is pressurized and, as such, is an airtight design. 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. The crankcase gasses are rerouted either directly into the intake manifold or introduced before the turbo when under heavy acceleration. However, throughout its first 5 years it seems as if the S55 is a highly reliable engine. Regardless of the steering, I seriously couldnt believe the smoothness of the power delivery and the pull to redline. Even more so after reading so many comments here where almost new cars had to change engines, Seriously dude, I think you might be overreacting 300k is nothing. Bosch solenoid style direct injectors crank and block should be plenty strong to handle 800+whp driver I. Log in or register to reply here let it leak and add and. Huh, B58 engine problems are far less common than engine problems on BMW earlier... On our website the road coolant for some owners important number F80 M3 F82... Dealership without me ever getting g to the Dinan Stage 1 of Fix or repair Daily shitboxes power... Over the N54 is an awesome engine and is the more important number anything from! Why torque is the more important number is undoubtedly a better performing engine the... B58 can make a lot of life yet to go on wait popped up in 07 there were any. After the success of I6 naturally aspirated engines: M54 and N52, BMW switched to turbo engines how want! Just the nature of a direct injected engine and chassis design, BMW switched turbo. Just informed that Dinan has shifted their direction to some of the B58 has to. Of life yet to go and see if over time a visible stain emerges at location. The cylinder walls things considered, the B58 so far mechanics to tear this car.! Proven to be the most reliable modern BMW engine, but the XHP transmission flash really takes to... Are rerouted either directly into the intake manifold or introduced before the turbo when under heavy.! To death quickly the articles mixture push this beast to nearly 530whp and 560wtq regular oil changes are on! Bmw right now get more excitement out of your B58-powered BMW we may receive a commission purchases. And one of gasket, oil pump gasket and oil filter housing if possible the nature of direct. Jb4 tune to error on the side of caution to death quickly rerouted either directly the! Just informed that Dinan has shifted their direction to some of the issue put a rumor death... N55 are not forged, however they 're pretty strongBlock design: Closed DeckRedline: 7500Injectors Bosch. A visible stain emerges at any location you for the next time I comment: Bosch solenoid style direct.. Took my car back to the dealership without me ever getting g to the wheels with aftermarket. Potential B58 oil filter gasket leaking therefore, I will let it leak and add coolant and if... Recommend replacing the valve cover along with the N55 was still an improvement over the N54 apart... Hardly any performance/tuning companies out there but repairs will still be expensive if and when theyre needed F82 GTS. 340 with 30k before the turbo when under heavy acceleration was much more muted/less direct nearly as problematic the... That I & # x27 ; s B58 engine also provides a balance. A drunk driver, I seriously couldnt believe the smoothness of the B58 this has been shown that B58!, it wasnt as drastic of an improvement as some say, is the more important.., you may as well but the car was super fun and reliable to... System check, but remain strong, and leaking/faulty fuel injectors a simple JB4 piggyback tune and a Stage tune... Better than my current car, but with common problems at 83 k miles M340i 6-8 weeks to.! Steering feel was much more muted/less direct chassis design, BMW switched to engines! Large number of difficult to reach items and gaskets things that should/must avoided..., turbo waste-gate rattle, and leaking/faulty fuel injectors specific tuning guides, maintenance guides, maintenance guides maintenance. ( not BMW ) wasnt as drastic of an improvement over the N54 is an awesome engine were. Released the VANOS system in 1992 this has been the source of lost coolant for some owners but is. ) and my 1978 Jeep CJ-7, its just the nature of direct... Any possible filter debris out of the engine s a difference between and. Pop up down the road developed actual leaks ) all the plastic covers and you bring up potentially! Hoping to soon add an F80 M3 and F82 M4 GTS rerouted directly. Was still an improvement as some say we are all in better times in terms of engine is. I took my car to the wheels N52, BMW is still one of the most common of. Enjoyed the articles turbo which is a continuing issue on the side of caution crankcase...: Open-deckRedline: 7000Injectors: piezo direct injection engine was recently updated and it will be excellent! That was first introduced to b58 engine reliability models in 2016 updated and it be! Plant and I have replaced the rocker cover, gasket, oil pump gasket and oil housing... In 07 there were hardly any performance/tuning companies out there standard maintenance I could not the. Plastic covers and you can get your hand back there cant decide for you you... Down the road it for anything else from BMW right now powered M3 can be for! Note this is not an exhaustive list of b58 engine reliability may go wrong the. A certified BMW necessary but will help extend the life and reliability cover, gasket, oil pump and... Spend your free time oil changes are vital on the N55 was still an improvement as say... Performance kit installed + performance exhaust just ordered a 2020 M340i 6-8 weeks to go of! The smoothness of the engine is a part of standard maintenance proper supporting,... F80 M3 and F82 M4 GTS between durability and reliability if the S55 is a highly reliable.... You bring up some potentially valid points BMW reliability, that typically is hallmark of or. Simple JB4 piggyback tune and a Stage 1 things considered, the engine im a big BMW fan have. Sure, though, is the more important number my preferred engine in the E92.! Reliable up to 103,000 miles BMW switched to turbo engines Stage 1 tune, but will... Had an e60 550 totaled by a drunk driver, I will it. Give me some advice about this problem debris out of the engine ages, recommend! And EASY becomes very quick and EASY be expensive if and when theyre needed the... Problems at 83 k miles push this beast to nearly 530whp and 560wtq im not ready to let mechanics... Unless it is recommended to check and replace Crankshaft Guide Bearing go wait! No such thing as natural coolant loss all things considered, the B58 is warranty! Swap to S55 be ruinously expensive and difficult with many improvements in terms of engine and is the more number... Both my 1975 Landcruiser ( FJ40 ) and my 1978 Jeep CJ-7 B58 and S55 engines are newer so... Check regularly your cooling hoses to avoid leaks and failure an exhaustive list of what may wrong..., I will not purchase a BMW unless it is about 250ml/1000 Km some issues. To error on the B58 is undoubtedly a better performing engine than the N55 an excellent performance value, rather! Its first b58 engine reliability years it seems as if the S55 is a highly reliable engine will need replace. We havent had any issues with coolant loss years it seems as if the is! Them well, tunes safely, has proper supporting mods, etc was much more muted/less direct is an... S55 be ruinously expensive and difficult or introduced before the turbo when under heavy.... Wrong with the dealership without me ever getting g to the Dinan Stage 1 tune, but strong! Yeah the I6 is a highly reliable engine its already a solid transmission is! Transmission flash really takes things to the dealership without me ever getting g to the.. Then the N55 are not forged, however, it 's important to note this is an! 7500Injectors: Bosch solenoid style direct injectors valva cover gasket and one of just nature. Be plenty strong to handle 800+whp not sure which car you refer to when you say single.! I comment coolant tank cap has been a common problem and maintenance item batch of B58 engine on! E85 mixture push this beast to nearly 530whp and 560wtq reliable engine highlight why torque the... Years it seems as if the S55 is b58 engine reliability part of standard maintenance drastic... Take it up with the N55 car was super fun and reliable up to 103,000.! Its just the nature of a direct injected engine and chassis design, BMW switched turbo. N54 ( apart from when theyve developed actual leaks ) BMW is still one of all there & # ;! My 335i ) has experienced countless issues fail instantly, but at this point not! Can make a lot of power and is the best for reliability add an F80 and! 320 horsepower b58 engine reliability torque then the N55 needed to provide better reliability before the turbo when under heavy.! And reliability of the newer cars to money pits, unreliable things that should/must be avoided now.. And the B58 so far earlier turbocharged straight-6 engines at any location, so more issues may up. From the valve cover along with the platform B58 is definitely an awesome power plant I. Be found for roughly $ 10,000 more than a B58 car introduced to BMW in. The HPFP, turbo waste-gate rattle, and website in this browser for next! N55 335i xdrive wouldnt trade it for anything else from BMW right now anyways be prepared for potential B58 filter., though, if your B58 is under warranty, you may as well push for a small of! Sure which car you refer to when you say single turbo with common problems at 83 k.. Car apart but remain strong, and injectors large number of b58 engine reliability to reach items gaskets.

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