Bm3 offers some great tunes, and I think youll be happy with the move over to bootmod. It cost about 180 Euro. Were very interested to see what the safe upper limits of the B58 end up being. We did not include that as we do not consider carbon build-up an issue. With that being said, it doesn't totally eliminate valve cover gasket oil leaks, but it does buy some extra time. Thank you. Own 2014 535ix great engine, but with common problems at 83 k miles valva cover gasket and oil filter gasket leaking. Its stuff that is pretty cheap to DIY. 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. What can I do without voiding warranty to increase HP without buying a M model? There are not endless cases of waste-gate rattle, HPFP failures, or fuel injector failures, like with the N54. 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 ? Its especially noticeable if Im holding in 2nd or 3rd gear and trying to hold a constant speed. The 34oi is coming up to its 4th year without a problem so far, I have the 340i serviced every 10000km instead of every 25000km , so it doesnt miss a beat well done BMW for producing the ultimate driving Machine a true sports car when driving in sports mode & shifting the stick to M/S. This is a serious issue that most of the time will require complete engine block replacement but fortunately, it is a rare occurrence. 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. I just finished reading customer issues with the BMW engine in the 4 series. In compared to its predecessor, the B58 engine provides more dependability and strength. Your comments are welcomed. However, come 100k miles, you will need to replace a large number of difficult to reach items and gaskets. 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 first indicator of an issue was a check engine light. Other than that car runs like a beast, throttle response and driving is smooth love the pops from the m kit exhaust at 5k rpm they literally sound like gunshots, nothing to worry about, the wastegate is open during cold start, and you have a more free flowing system because of MPPSK exhaust which has no resonator in the midpipe and bypasses the muffler with valves open (valves open during cold start and in sport modes), thats why the car vibrates. The B58 is also more fuel efficient than the N54, with an EPA rating of 26 mpg combined compared to the N54's 23 mpg combined. now have 2015 435i with performance kit installed + performance exhaust just ordered a 2020 M340i 6-8 weeks to go on wait. It makes hellcat owners cry all day, every day. The N54 is largely responsible for boosting BMWs reputation in the tuning community and has been out longer than the engines in comparison. Learn all there is to know about BMW B58 engine tuning and decide if it's for you! That can be an extremely pricey job, ranging between $500-$1,000 at most dealerships. My symptoms were a weird pulsation under part throttle and low speed surging. 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. F11 151k miles (now only tuned by 30%, in the past was tuned onev 40%) Thanks for the great read. As this was BMWs first attempt at a gasoline direct injected, turbocharged, inline-6 engine there were some early issues that needed to be ironed out. You did bring up an excellent point with localized areas where coolant temp may be hotter leading to evap. The B58 uses two solenoids. However, it's important to note this is not an exhaustive list of what may go wrong with the B58. You may notice burning oil smells in the cabin. My 2017 340i with M-Sport package is rated by BMW for 355 hp with twin turbos. For that reason, the B58 scores the worst value rating. This can indicate that the water pump is in need of replacement and is a possible source of a coolant leak. hopefully BMW will sort this out. Fortunately, there are metal charge pipe upgrades to make this part more robust. The B58 is already rivaling what the N54 has accomplished on stock turbos. AND BTW, I dont know whenever new caps will fix anything. 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. This increases performance by. What kind of HP increase could I expect with the JB4 piggyback tune? The BMW B58 engine is a turbo 3.0L inline-6 that was first introduced to BMW models in 2016. Right by the timing chainat the back of the engine. Thank you for your comment. Space is very limited but its doable. Dinan offers stuff thats covered under warranty. Yes, coolant lowers the freezing point and raises the boiling point. All rights reserved. ps. *Picture is from an N54 that had a leaking VCG for nearly 20,000 miles. However, mod for mod it becomes evident the twin turbo design in the N54 is more capable. AND reliable! So please stop sawing the disinformation about bad bmw reliability, that typically is hallmark of Fix Or Repair Daily shitboxes. And to add to the confusion diagnostic tools shown that injectors are behaving 100% OK after that diagnose from slowmo he measured return from injectors and found that one injector had abnormally high return to other 5. Typically, boosted engines are better suited for lower compression, as a longer stroke subjects the internals to boosted pressures for longer periods. This applies to coolant hoses and coolant connecting flanges. These issues seem a recurrent theme, so made me wonder about the long-term costs of maintaining the engine. 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). Unfortunately, its just the nature of a direct injected engine and is a part of standard maintenance. You can typically see built-up blue or green coolant residue collecting around the hole from under the car. 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.. Took my 2019 X4 M40i because the passenger side of the dual climate zone wasnt cooling with the A/C on. The crankcase gasses are rerouted either directly into the intake manifold or introduced before the turbo when under heavy acceleration. what it was please. 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. First, the B58TU1 is available in "ML" (middle output) or "OL" (high output). Once youve done it a few times it becomes very quick and easy. The PCV valve, or positive crankcase ventilation valve, is an important component that plays a vital role in equalizing pressure within the B58's crankcase. Congrats on the purchase! One major killer of gaskets is the constant heating and cooling cycles they're subjected to. We were surprised to find this is not uncommon on other BMW engines, too. The B58 engine was named to Ward's World's 10 Best Engines 4 times, in 2016 (installed in the . Happy I stumbled on this website and will definitely be reading more. Your email address will not be published. What are your thoughts and experience with the B58? Now, we left out some potentially promising information. The B58 replaced the N55 and was launched in the F30 340i.. Dont hesitate to pack those with even more detail ! The BMW b57 and b58 seem to be solid engines with no glaring design flaws, and a solid reliability record when looked after. One issue I have is overheating at the track and were going to try a performance radiator and maybe a water pump tune. 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 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. Displacement sees a small bump to 2998cc, while the compression ratio increases along with a smaller bore and longer stroke. 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!!). 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. Is B58 Engine Reliable? Im not convinced there isnt a secondary issue. It has honestly amazingly smooth power delivery and sounds better. 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. The B58 is undoubtedly a better performing engine than the N55, with many improvements in terms of power delivery and efficiency. It is built to be efficient and reliable while also being powerful enough to get you through most driving situations. Forums will be full of "issues"! Additionally, it receives the forged crank and rods as with the N54. The B58 features a forged crankshaft and a closed deck design in comparison. Hi Hank, Ive currently been having issues with my M140i. There are two water pumps, and the main water pump is mechanically-driven. The VC is prone to cracking and leaking, too. Why not? Once removed there is no way for BMW to tell the car was ever tuned. As you say when under load, like a slight uphill, at a constant speed you have this light surging surging. 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. As the S55 was built on the design of the N55 (which was built on the design of the N54) the BMW S55 shares many similarities. Cast pistons.Block Design: Closed DeckRedline: 7000. Agree with you both there Tazzieman/Spjnr. I too have had the coolant loss issue. I wouldnt say its absolutely needed, but the stock crank hub may fail down the road. If possible, How much would it cost? We've seen some VANOS problems with the B58 engine. Wich is a totally different animal Good for 1400 hp or even 2000 hp ,on the dyno at the wheels! 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. The above are common symptoms of B58 VANOS solenoid issues, but may not always point to a VANOS problem. This engine was manufactured by BMW in 2015 and was still in use. Proceed with the oil change as normal. 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