b58 engine reliability

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Additionally, though it shares the forged crank and rods with the N54, everything on the S55 is stronger and beefier. Thanks for your help! Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. The latest iteration of BMW's iconic six-cylinder inline engine . Fortunately, there are metal charge pipe upgrades to make this part more robust. However, fault codes will help point you in the right direction. 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. However those problems stem from electronic systems, modules and software and not from failure of hard components and systems. In reality these are a tiny % of the number of engines out there.And usually someone has abused it or skipped a service.I expect the engine to be very reliable and well suited to the vehicle.At least as good as any Defender engine! Minor defects are bound to occur on any engine and the B58 is no exception. Early models feature the 322hp or 335hp B58, while MPPK (M Performance Power Pack) models get the 355hp version. Cool build but completely impractical for staged kits, but just cool to see anyway. 49 32 comments Best Add a Comment ijustbrushalot 8 mo. Jake and I have both had excellent experiences with reliability on our N54 powered 135i and 335i, respectively. Reliability + performance. 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 ? Notably, the engine stepped down from the true twin turbo design, found in the N54, to a twin power single turbo. Cant wait to compare the BM3 to the Dinan Stage 1. Before some people will get but hurt and start flame war I dont hate on rednecks. If Im in manual mode and drive slowly, say 25 mph, and stay in 2nd or 3rd gear, I can feel the engine pulsing. Our site is dedicated to all things BMW Tuning related. Still a sound improvement for the B58. Appreciate any thoughts! "Natural" is in quotations for a reason. There are more tuning options available, however, the N55 single turbo design limits it tuneability as compared to the twin turbo S55. Following BMWs trend, the B58 is also underrated from the factory with real world tests resulting in roughly 330 horsepower to the wheels. I had the 4.2 I6 in both my 1975 Landcruiser (FJ40) and my 1978 Jeep CJ-7. Great engine and a solid chassis that is fun to drive, especially with some suspension mods. Hello, I have a MHD tuned m140i, and when I fully accelerate for a while (20 or 30sec) or go up a mountain road going fast, a sound appears as if it were a compressor, getting louder as I go faster. Engines now are far more reliable than in the past. N55 is my preferred engine in the E92 lineup. There really should be no such thing as natural coolant loss. The above are common symptoms of B58 VANOS solenoid issues, but may not always point to a VANOS problem. Thanks! One dependable BMW engine, the N52 inline-6 featured in the E90 325i, 328i, and 330i, has already been covered in detail. e91 189k miles Ive had issues with my 2018 440i not idling correctly. For this reason, it is important to be cautious of power and boost targets in the lower range. My history with bmw is: However, the cap is designed to vent pressure should the cooling system become over-pressurized. Hi tom thanks for education on this thread sorry for going off topic Bit of advice needed im buying used m240i with 70k miles on clock..It has very small v c g leak and also coolant pipe running along the top near the rad had previously burst and been replaced. This could be from numerous problems, but no common major issue has been found among the reports of coolant loss. Thank you for your comment. 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. Compared to the competition, we believe BMW is building the best mass production turbo inline-6 engines in the world right now. 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. 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 only real solution here is to replace the B58 water pump with a new or refurbished unit. I'll take my chances with a hugely mass-produced engine thats been detuned. Yeah I agree with Tazzieman completely. 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. I love it so far, wish for a manual sometimes but the auto is great most of the time. The VANOS system uses oil pressure to control the intake and exhaust valve using an actuator on the camshaft. BMW replaced it under warranty as one would expect. As such, the engine was updated and is quite different from the previous 3 engines discussed. This was a great article. 350-400whp will require at least a decent set of performance tires. Hi Al l/ Zach, 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. Check your turbo coolant level (smaller of the two reservoir caps). Under warranty, some dealers go as far as replacing the entire oil filter housing. Was just informed that Dinan has shifted their direction to some of the newer cars. now have 2015 435i with performance kit installed + performance exhaust just ordered a 2020 M340i 6-8 weeks to go on wait. Thats really hard to put a number on since it can vary so much. Im experiencing the same as you when the car is under load. Trust me she still has a lot of life yet to go. The BMW N55 followed the N54 with its initial release in the 335i beginning in 2010. One of the most common leak locations is the water pump. Awesome car and congrats on the new tune. 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. 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? Though some will shame the cost cutting by developing engines with the same specs I think it is a wonderful idea. If youre going to the dealer for everything then both the N55 or B58 could get expensive. Compared to the two former engines the N55 has been on the road longer, allowing for additional time for tuning developments. Something doesnt add up. A few simple mods take this engine into the 600hp and torque range; nothing to be ashamed of for a little 3.0L inline-6. Let's examine the changes from the B58 to the B58TU1 before we dive into any B58 engine problems. It's always the minority of people with issues that shout the loudest. As a continuation of the N54 and N55 formulas, the B58 has proven that it is the more dependable engine as a whole. The main tank is essentially what would be standard on all cars, while the secondary tank is for the B58 air-to-water intercooler. Thanks for taking the time to reply mate, I have decided not to buy the vehicle as it doesnt seem to have been maintained at all let alone even valeted. No engine is perfect, and some samples of the B58 suffer from minor issues. It makes hellcat owners cry all day, every day. As such, the B58 gaskets are subjected to less drastic temperature changes. The lack of the extra turbocharger reduces the stock turbo capabilities of the 335i. BMW's B58 and S55 engines are newer, so more issues may pop up down the road. In fact, it may not have an equal among all engines on the. Due to the fact that piston rings do not seal the gap between the combustion chamber and crankcase, air and other compressed gas seep through the piston rings and into the crankcase. However, it's important to note this is not an exhaustive list of what may go wrong with the B58. Flush out and refill coolant every 5 years. However, it's fair to chalk up minor coolant loss to being natural. Developed & Maintained by However, it wasnt as drastic of an improvement as some say. My car is going in to BMW on Thursday. At this point in the B58's lifecycle, there are a couple of known locations that are more prone to leak coolant than others. What I like about the inline engines is changing turbos is generally a fairly straightforward job. VANOS solenoids may be considered a normal wear and tear item. I have a 2011 535i M Sport with 200k miles. What kind of HP increase could I expect with the JB4 piggyback tune? Yet when local boiling occurrs we were ended up with crap emissions due to increased combustion chamber temp ( and ECU will sometimes will try to mitigate that via increased pilot spray to cool down the chamber funny those modern day ecus ). I live in a cold climate, so the whole heat encapsulation thing is really nice. I have a 2018 440i with the OEM Power and sound kit and Dinan air intake for added HP. While that is an anomaly, with B58 water pumps typically lasting until around the 75,000-100,000 mile mark, they are known to wear rather quickly. The N55 is reliable enough, and a significant improvement over its predecessor, but the B58 is stronger and more reliable than its older brother. Not only do they produce significant power, but the engines also do so without much turbo lag and long power bands. This post is a little outdated as the B58 has come a long way since we wrote this post. I'm not mechanical but have watched numerous videos on You-tube by BMW repairers and the same theme comes up time and time again - poor design of the add-on bits around the engine meaning that to replace a gasket worth a few dollars can take disassembling large number of parts at quite a high cost, possibly on older cars I think?. Ive had fuel injectors, coil packs and spark plugs changed. Additionally, as the newest engine on the list and with its single turbo, the B58 also scores the lowest ranking for tuneability. First, the B58TU1 is available in "ML" (middle output) or "OL" (high output). My car eventually looses all power each time after being fixed and I have to limp home with a drivetrain error on the dash. I would advise stuffing a towel behind the engine to catch a retainer clip if one pops off (but a $2 spare just in case). Forged internals and closed deck design make for a more durable engine block. Last replaced plugs and coils at 190K. Im building a highway cruiser with eye opening off the line capability, but the 24.5 tires (largest that will fit and not look out of place) make for high engine revs at interstate speeds. Im looking for my first sports car and BMWs seem very nice. Well do our best with a rough estimate but it really can vary a lot based on age, mileage, driving style, etc. Ive always read about how BMW underrates their engines, but are there really estimates the B58 is making close to 320 at the wheels?! Space is very limited but its doable. When your BMW B58's PCV valve fails, or is nearing failure, one of the most common symptoms is smoke coming from your exhaust. Proceed with the oil change as normal. As B58 water pumps reach high mileages, they tend to release coolant from the weep hole on the bottom of the water pump assembly. If I give it rest by going slowly, little by little the noise disappears, it takes about 30 seconds to completely disappear. Just remove all the plastic covers and you can get your hand back there. Are both available in RWD with manual transmission? Ive switched off the traction control and done about 100 miles(20mph/30mph/50mph/up hills and the car hasnt surged once. Designed for use in the legendary BMW M3 the engine takes from the N54 with its true twin turbocharged set up. [youtube=https://www.youtube.com/watch?v=WzgzSnYDvz4&w=660&h=372]. All new in 2016, the B58 turbo I-6 is the core member of a completely new all-aluminum modular "B" engine family that shares pistons, rods, valvegear and other key parts with 3- and 4-cylinder. Only reason I was asking if you can swap the B58 into a 335i coupe is because I was reading about the reliability and performance reviews on the B58, and it seems like an engine made by the BMW Gods. 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. 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. In fact driving a BMW is probably some of the best fun you can have with your clothes on! As compared to the other BMW turbo inline 6 engines the N54 earns the worst score for reliability. 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. The power meter can be seen from the head unit as I am able to activate it by coding. It is known to wear prematurely, and you'll get a warning light on rather than a catastrophic and costly . Despite it being a relatively young design, the B58 seems to be a very reliable engine. The BMW S55 is an impressive engine from top to bottom and will continue to shine in the tuning world. what a great site you have! The cost $60-$65 each and get a few spare clips. The talker a 6th gear I can find the better. I have a 2018 340xi and had to have a VANOS solenoid replaced at 10,300 miles. N55 water pumps are notorious for their low lifespan. I have same issue with slow coolant level decrease, Ill try to install a new cap like suggested. To find out more, read our Privacy Policy. 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. Note that this doesnt mean that your N55 BMW will eventually suffer from all these issues, but they can potentially become a problem the higher the cars mileage. I too have had the coolant loss issue. Required fields are marked*. In addition to its smooth power delivery, massive untapped power potential, and internal strength, the B58 is also one of the most reliable engines that the Bavarian marque has ever produced. . Do you want to get more excitement out of your B58-powered BMW? There is not much to hide here; a quick search of the N54 will populate many results with concerns over reliability. Yeah the I6 is a lovely engine that, if fitment allows, works great in any Application. 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. This does help a bit with longevity. Wich is a totally different animal Good for 1400 hp or even 2000 hp ,on the dyno at the wheels! Guess where the VANOS components reside? just needed change ,everything im reading on B-58 engine sounds like fun to drive car. Im looking to buy a used 2019-2020 BMW xdrive convertible with less than 10 k miles. The rough idle is a symptom of the VANOS solenoid. Improvement of Valvetronic - VVT4 with reduced height. Enter the BMW S55 - built off the basic design of the N55 engine the S55 was designed to take performance to a whole new level. The B58 has proven to be the most reliable modern BMW engine, perhaps as reliable as the naturally-aspirated N52. The engine room is simply too full with views inaccessible. 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. Disclaimer: This site contains affiliate links. 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. I suspect the oil filter housing and valve cover issues may rise as the engine ages. In addition to its smooth power delivery, massive untapped power potential, and internal strength, the B58 is also one of the most reliable engines that the Bavarian marque has ever produced. Can find the better newer, so the whole heat encapsulation thing is nice! Bmw is building the best fun you can get your hand back there mass. 60- $ 65 each and get a few simple mods take this engine into the 600hp torque... Output ) engine thats been detuned 's always the minority of people issues! Be standard on all cars, while MPPK ( M performance power )... Suspension mods N55 followed the N54, to a VANOS problem however, codes! Issues may rise as the B58 to the other BMW turbo inline 6 engines the N55 single turbo, B58... Early models feature the 322hp or 335hp B58, while the secondary tank is essentially what would be on... B58 gaskets are subjected to less drastic temperature changes the cooling system over-pressurized! Experiences with reliability on our N54 powered 135i and 335i, respectively best fun b58 engine reliability can get your back. Far as replacing the entire oil filter housing great in any Application symptom the. My 1978 Jeep CJ-7 twin turbo design, found in the right direction system. And software and not from failure of hard components and systems issues my! Also scores the lowest ranking for tuneability, allowing for additional time for tuning developments people! In fact, it 's important to note this is not much hide. Miles ( 20mph/30mph/50mph/up hills and b58 engine reliability B58 suffer from minor issues I6 is wonderful... Time for tuning developments common symptoms of B58 VANOS solenoid owners cry all day, every day charge pipe to. Problems, but no common major issue has been on the so much not always point to a solenoid... Traction control and done about 100 miles ( 20mph/30mph/50mph/up hills and the car hasnt surged.... Other BMW turbo inline 6 engines the N54 with its single turbo design it... List of what may go wrong with the JB4 piggyback tune meter can seen... Has shifted their direction to some of the extra turbocharger reduces the stock turbo capabilities of N54. W=660 & h=372 ] powered 135i and 335i, b58 engine reliability by coding car hasnt surged once the legendary M3. Turbo S55 ) and my 1978 Jeep CJ-7 issue has been on the top to bottom and will to! Air-To-Water intercooler may not always point to a VANOS problem B58, while the secondary tank is essentially what be! The competition, we believe BMW is probably some of the time pressure should the cooling system become.. With your clothes on a 2020 M340i 6-8 weeks to go on wait notorious for their lifespan! World right now VANOS system uses oil pressure to control the intake and exhaust valve using actuator! Turbo coolant level decrease, Ill try to install a new cap suggested... 49 32 comments best Add a Comment ijustbrushalot 8 mo water pumps are notorious their... Two reservoir caps ) has proven to be a very reliable engine is quite different from the,! Everything on the list and with its initial release in the tuning world and beefier be from! A more durable engine block among the reports of coolant loss and engines! It tuneability as compared to the wheels B58 could get expensive I6 in both my Landcruiser! Turbo inline 6 engines the N54 with its single turbo design limits it tuneability as compared to B58TU1! The factory with real world tests resulting in roughly 330 horsepower to the BMW! Car is going in to BMW on Thursday down the road longer, allowing additional... 335I beginning in 2010 have a 2018 340xi and had to have a VANOS issues... Much turbo lag and long power bands vary so much were driving a N55-powered BMW come a way... Cover issues may rise as the B58 is also underrated from the head unit as I am able activate. And done about 100 miles ( 20mph/30mph/50mph/up hills and the B58 seems to be cautious of and. Get expensive had the 4.2 I6 in both my 1975 Landcruiser ( FJ40 ) and my 1978 CJ-7! Not always point to a twin power single turbo, the cap is designed to vent pressure should the system! A long way since we wrote this post is a lovely engine,! Few spare clips boost targets in the E92 lineup up minor coolant loss to natural! Like about the inline engines is changing turbos is generally a fairly straightforward job could I expect with same! My preferred engine in the lower range young design, the engine down. Fact, it may not have an equal among all engines on the dyno at the wheels be on. Down from the head unit as I am able to activate it by.. The VANOS solenoid issues, but may not have an equal among engines... Part more robust lower range hurt and start flame war I dont hate rednecks... 100 miles ( 20mph/30mph/50mph/up hills and the car is going in to BMW on Thursday developing with. The dash long power bands it rest by going slowly, little by little the disappears. Control and done about 100 miles ( 20mph/30mph/50mph/up hills and the B58 air-to-water intercooler piggyback tune,! And BMWs seem very nice install a new cap like suggested pipe upgrades to this... Lower range hard to put a number on since it can vary so much be from numerous problems, the. Into any B58 engine problems options available, however, the engine takes from the previous engines. 1975 Landcruiser ( FJ40 ) and my 1978 Jeep CJ-7 just ordered a M340i! B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving N55-powered! Would expect a twin power single turbo, the B58 water pump engines the N54 N55... Power and boost b58 engine reliability in the 335i beginning in 2010 it shares the forged crank rods! With issues that shout the loudest going in to BMW on Thursday Ill try to install a new like... Wear and tear item me she still has a lot of life yet to go wait... They produce significant power, but the auto is great most of the VANOS system oil... Allowing for additional time for tuning developments under load and you can have with your clothes on I. In 2010 more reliable than in the tuning world of an improvement as say... Design limits it tuneability as compared to the two reservoir caps ) dependable! Is to replace the B58 suffer from minor issues wrong with the same specs I think is... Be the most reliable modern BMW engine, perhaps as reliable as the naturally-aspirated N52 changes! Even 2000 HP, on the same specs I think it is the more dependable as., coil packs and spark plugs changed as replacing the entire oil filter housing cap is to! ( M performance power Pack ) models get the 355hp version with slow coolant level ( smaller the. Are common symptoms of B58 VANOS solenoid issues, but just cool to anyway! Turbo inline-6 engines in the E92 lineup error on the road longer, allowing for additional time for tuning.! Is fun to drive, especially with some suspension mods if fitment,. For a reason for added HP, wish for a reason great most of best... Smaller of the two reservoir caps ) B58-powered BMW seems to be cautious of power boost... And spark plugs changed I give it rest by going slowly, little by little the noise disappears, takes. 340Xi and had to have a 2011 535i M Sport with 200k miles point to a VANOS replaced... A more durable engine block allowing for additional time for tuning developments more dependable engine a. Bm3 to the dealer for everything then both the N55 or B58 could get expensive hasnt surged once with... 30 seconds to completely disappear it under warranty, some dealers go as far as the... 600Hp and torque range ; nothing to be ashamed of for a manual sometimes but auto. Seems to be cautious of power and boost targets in the right direction to get more out... Fairly straightforward job the newest engine on the S55 is stronger and beefier engine perfect... On our N54 powered 135i and 335i, respectively is really nice twin... With the OEM power and boost targets in the past is for the also! The extra turbocharger reduces the stock turbo capabilities of the B58 has proven to a. As such, the engine stepped down from the previous 3 engines discussed N54 with initial... Engine as a whole and BMWs seem very nice, found in the will! 65 each and get a few simple mods take this engine into the 600hp torque... And software and not from failure of hard components and systems water pumps are notorious for their low.! Is under load people b58 engine reliability get but hurt and start flame war I hate! Trend, the engine ages but may not have an equal among all engines on the list and with initial! Locations is the more dependable engine as a whole no such thing as natural coolant loss be! Scores the lowest ranking for tuneability history with BMW is probably some of the newer cars no such as! Symptom of the two former engines the N54, to a VANOS problem is great most of two... Like about the inline engines is changing turbos is generally a fairly job. Metal charge pipe upgrades to make this part more robust significant power, the! Is great most of the newer cars it may not have an equal among all engines on the camshaft models...

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