For that reason, the B58 scores the worst value rating. Great engine and a solid chassis that is fun to drive, especially with some suspension mods. Whats your thoughts on this? However, there is one more thing. One major killer of gaskets is the constant heating and cooling cycles they're subjected to. 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. Cast pistons.Block Design: Closed DeckRedline: 7000. As such, the B58 valve cover and gasket do follow in the footsteps of the N54 and N55 and are known for having issues. Automotive Performance, Tuning, & Modification. Compared to the two former engines the N55 has been on the road longer, allowing for additional time for tuning developments. Don't panic and waste money tracking down an issue that may not exist. ps. Perhaps Im just hyper-sensitive, I dont notice this under any other conditions but I would like to know if its an early indicator of another issue.. Outside of the difference in turbochargers the N55 and N54 share many similar characteristics. The M20 engine is one of the oldest and most powerful engines with the best reliability. This is a misconception. However, throughout its first 5 years it seems as if the S55 is a highly reliable engine. Replace valve cover gasket and oil pan gasket at 160K. Improvement of Valvetronic - VVT4 with reduced height. 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. We are hoping to soon add an F80 M3 and F82 M4 GTS. If it fails, an upgraded crank hub is definitely the way to go. Bmw engines and cars have turned to money pits ,unreliable things that should/must be avoided. Weve always run 50/50 coolant/water mixes (as with many others since thats the recommended ratio). Thats really hard to put a number on since it can vary so much. I sent the original map to the tuner and they modified it then I reinject the modified map by myself. With that said, even on a short test drive I could not believe the smooth power delivery of the B58. There are countless videos of B58 BMW owners with this exact symptom resulting from a damaged PCV. 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. We may receive a commission for purchases made through these links. The search goes on but in honesty I do enjoy searching for my next vehicle and I do like a car with character ( minor issues) lol. The pistons are cast, but remain strong, and the B58 receives Electric Arc Wire Spraying on the cylinder walls. In reality, it was worse than the factory part. Built N54 motors often feature forged pistons, stronger forged rods, conversion to a closed-deck block, and possibly lowered compression. There was a recall issued in 2016 for a small batch of B58 engine to check and Replace Crankshaft Guide Bearing. Have a good holiday weekend if youre in the US. Replace the accessory belt every 80,000 miles. Turns out coolant was getting into the engine. There is one turbo with two scrolls feeding the single turbocharger. The B58 is a marginally larger engine displacing 2,998cc compared to the N55's 2,979cc and weighs 18 lbs more, but while making notably more power. It's a pretty labor-intensive job. Guessing you are all semi-auto owners.. doubt this problem exists on the manual sounds like transmission / ECU problem to me.. #. I track it and the engine has been holding up very well. BMW replacing whole engine with a new one. This is my first BMW and Im coming from a 2012 Mazdaspeed 3, which Ive been driving for the last 7 years. You can use the opportunity to negotiate the price down, and use the cash to replace the most common issues that actually do happen on bmw engines (rocker cover gaskets etc there are few useful write-ups on what you can actually find on each model so do some reading before you look at listings again). The N55 has proven to be a reliable engine but is edged out by the B58. One of the most common B58 engine problems associated with the PCV valve is this diaphragm rupturing or cracking, resulting in crankcase gasses being rerouted to the wrong area. Thanks! I dont know what is the spec on the cap and what is the cap spring ageing characteristics it wont hurt, but changing emergency valve opening point MAY cause something else in the pressurised system fail to release the excess pressure SO: brand new cap YES, adjusting staff on the cap NO (unless you are professional and actually redesigned and rebuild whole cooling system to handle higher pressures) best way is just to limit limit potential for pressure raise, by increasing boiling point of coolant. A 2017 340i M Sport uses the B58 engine, which is a single turbo. Last replaced plugs and coils at 190K. How do the BMW N54, N55, B58, and S55 stack up against each other? 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! 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? Just bought a 2017 340i and I really love the B58 so far. Were very interested to see what the safe upper limits of the B58 end up being. I couldnt imagine them using it if there was in fact an issue. So, we've got a bit of a headache here. BMW B58 Reliability. Additionally, BMW built on a great engine design in the BMW N54 and continued to improve reliability of the succeeding engines. Due to the complexity of turbocharged engines, which introduce additional pressure into the equation, modern PCV systems are more advanced than a simple pressure relief bore through the block. Outside of that, meth definitely has some great performance benefits. Acnam Infotech, BMW Tuning - BMW Performance & Tuning Guides, News, Videos. Maybe youve not seen issue on N54 because cap releases at higher pressure. I took my car to the dealership, they did pressure system check, but they didnt find any leaks. Now, we left out some potentially promising information. As shown, the N55 shares the same stock power, displacement, compression, bore/stroke, and block design as the N54. BMW really is the Ultimate Driving Machine! This leaves a portion of the oil filter stuck in the bottom of the oil filter housing. Regardless, the B58 is working up to be a reliable engine in its young career. It is subtle, I havent observed the tachometer following this pulsing. Solenoids are relatively inexpensive and easy to replace. 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. The Grenadier will be no different. Ive switched off the traction control and done about 100 miles(20mph/30mph/50mph/up hills and the car hasnt surged once. With that being said, I would not buy a BMW B58 at this moment. it now has 125,000km on the clock and is stock 300HP. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. Although, let's put a rumor to death quickly. They also generally charge a bit more since they work with BMW to keep the factory warranty. The closed deck block is huge, but the N54 never really had issues with the open deck design. Awesome car and congrats on the new tune. So much too learn, so little time. 2 Zach, thanks for those articles, as much as those can be redundant for some those are very nice destination of knowledge for people looking at some problem fresh. Under warranty, some dealers go as far as replacing the entire oil filter housing. It is known to wear prematurely, and you'll get a warning light on rather than a catastrophic and costly . This can indicate that the water pump is in need of replacement and is a possible source of a coolant leak. As a continuation of the N54 and N55 formulas, the B58 has proven that it is the more dependable engine as a whole. Steph Papadakis and his boys are making 1000HP @ ~42psi on a 2020 Supra B58. It's always the minority of people with issues that shout the loudest. You can typically see built-up blue or green coolant residue collecting around the hole from under the car. AND BTW, I dont know whenever new caps will fix anything. Excessive oil consumption is another big one that can alert you to this issue. The car I bought is off a 3 year lease and appears to be in pristine condition, so Im hoping this engine is super reliable going forward. Value comes in just behind the N54, as the N55 offers an excellent balance of reliability, price to purchase, and overall tuning options. A tune and bolt-ons will take the B58 into the 400whp+ range; outstanding for a 3.0 L engine, but nothing insane compared to BMW's other inline-6 turbo engines. 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. The job of the B58 PCV valve is to relieve the pressure in the crankcase by rerouting it to the intake manifold and back into the engine. Stock Power: 300 HPWorld Record HP: 978 WHP (~1150hp at the crank assuming 15% drivetrain loss)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. I do love a straight 6. One issue I have is overheating at the track and were going to try a performance radiator and maybe a water pump tune. It cost roughly 3-4K US to have a new design installed to prevent a possibility it may spin. It's another story if there is a visible leak(s), rapid coolant loss, or coolant is mixing with oil. Copyright 2021 - 2023 BMW Tuning LLC. Hi Adam, Thanks for the information. The engine room is simply too full with views inaccessible. We recommend changing the oil soon after this occurs. Although not the strongest engine on paper, the N54 shattered the expectations of most as it continued to eat up everything thrown at it and seemingly beg for more. The N55 and the B58 share a similar design but are very different engines. Had the well known gasket issues. Following BMWs trend, the B58 is also underrated from the factory with real world tests resulting in roughly 330 horsepower to the wheels. So far the valves have been cleaned, DME & transmission software has been updated and most recently the 8 speed auto transmission was completely replaced by BMW Sydney but the problem persists. 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. Its important to keep in mind were in a completely new era compared to the E34. Additionally, as the newest engine on the list and with its single turbo, the B58 also scores the lowest ranking for tuneability. I've got a 1986 merc 300sl that runs like a sowing machine. Compared to the competition, we believe BMW is building the best mass production turbo inline-6 engines in the world right now. We think the Supra carrying the B58 helps the platform a lot, too. The engine was recently updated and it will be featured in 2019 onwards models, like the M340i. 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? Im trying my best to absorb as much as I can. Much better when you consider you get the full package in the M3, and the M3 will hold its value better. )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. e90 200k miles. My history with bmw is: BMW MHD Tuning App N54, N55, S55, B58 & N13 Flash Tunes, Your email address will not be published. (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). From day one of delivery, I have often smelled coolant. Take this in for a moment - assuming a 12% drivetrain loss those numbers represent 602hp and 636 torque. my buddy still has: The crankcase gasses are rerouted either directly into the intake manifold or introduced before the turbo when under heavy acceleration. (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. Thanks. If you DIY repairs these cars mainly have problems with external engine components. 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 ? 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. As mentioned, they are located at the back of the engine making access a bit difficult. Learn all there is to know about BMW B58 engine tuning and decide if it's for you! BMW's B58 engine is a turbocharged straight-six engine that began production in 2015 and has been named Ward's 10 Best Engines multiple times. First, let me say this is awesome info and Im grateful for it. 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!!). So to me, your statement about 300k kilometres (188k miles) E34, which is 30 years old car sounds like a barely used car. Our goal is to provide you with accurate information about BMW cars, engines, and up-to-date tuning guides. Many B58 owners are experiencing low coolant in the main tank. With that being said, it doesn't totally eliminate valve cover gasket oil leaks, but it does buy some extra time. You must log in or register to reply here. Ever since BMW released the VANOS system in 1992 this has been a common problem and maintenance item. However, it can be hard to catch with this symptom alone, as the B58 also has other oil consumption issues. Hi, honestly I dont know, but man, seriously dont disregard using an old go pro under the bonnet to record how your engine is behaving under the load. And if they are, can the transmission ratio be changed? Im new to all of this. A code scan revealed code P0012. 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. Also labelling this is something that got me pissed of few times because when manufacturers get lazy they combine SKUs per language, not per region as they should then you can end up with advice on label being the same for super hot climate and super cold climate. Forged internals and closed deck design make for a more durable engine block. 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). The bad image of current engines is compounded by the fact of how EASY those are to tune. Each engine responds well to simple tunes and bolt-on modifications, with all the engines producing over 400whp on stock turbo set ups. 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. Most repairs at the dealer will easily run over $1,000. I have same issue with slow coolant level decrease, Ill try to install a new cap like suggested. The butt-dyno felt no power gains. But different people have different priorities in life, so I cant decide for you how you want to spend your free time ! Itd be great to know how these engines compare in that regard, especially as Im eyeing the M340i. There are a few notorious issues in the N55. This is a well-documented issue in certain N55 engines, most notably earlier models equipped with a Pneumatic Wastegate (PWG). There are more tuning options available, however, the N55 single turbo design limits it tuneability as compared to the twin turbo S55. Its a pretty simple 20-45 minute install and uninstall. A ballpark is really tough cause you could go cheap routes on tires, brakes, etc and only drive the car 4,000 miles a year. Completely misread that. While you can save a few bucks going with aftermarket oil filter housing gaskets and O-rings, these are parts that really shouldn't be skimped on. Considered my car is stage 1 tuned. Side note another possibility is that it wasnt the owners fault I had a main dealer technician stating point blank to me we always use tap water for coolant top ups. It . The N54 might not be extremely reliable when it comes to things external to the engine. Ill try to describe what I suspect as a secondary issue. Yeah I agree with Tazzieman completely. 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. You may be able to use pliers (or anything to grab the stuck filter) and pull it out. Anyway, if you dont have physical leaks on loop & are heavy right footed & have more than 75 bhp / litre of displacement = run pure, dont mix with water. The talker a 6th gear I can find the better. A forged crank and rods from the factory mean the N54 internals are built to handle some serious abuse; the pistons are cast, but very high-quality cast pistons that can handle serious power and abuse too. Yes, B58 is reliable. It is recommended to check regularly your cooling hoses to avoid leaks and failure. Appreciate any thoughts! Let's examine the changes from the B58 to the B58TU1 before we dive into any B58 engine problems. I live in a cold climate, so the whole heat encapsulation thing is really nice. Why? The following table compares the technical data for both engines. 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. Cant wait to compare the BM3 to the Dinan Stage 1. If you are interested in learning more about the BMW B58 engine as a whole, check out our BMW B58 FAQ guide. Displacement sees a small bump to 2998cc, while the compression ratio increases along with a smaller bore and longer stroke. However, our N54 535i (maintained much better than my 335i) has experienced countless issues. This increases performance by. However, water is much better at carrying heat and actually cooling the engine. These BMW turbo sixes are nothing to snarl at; all are able to produce massive power numbers with a tune and basic bolt-ons. Replacing B58 VANOS components does NOT require lifting the engine. Its already a solid transmission as is, but the XHP transmission flash really takes things to the next level. Conclusion. Required fields are marked*. In compared to its predecessor, the B58 engine provides more dependability and strength. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. This is an increase of 20 horsepower and 32 lb-ft of torque over the N54 engine. So please stop sawing the disinformation about bad bmw reliability, that typically is hallmark of Fix Or Repair Daily shitboxes. in. Thank you. 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. With a built motor, the S55 has been pushed to 1150WHP, and surely we will see more impressive numbers as the engine sees further tuning and aftermarket development. Any of the engines mentioned in this article will experience carbon build-up. However, the engine is capable of producing 500+ horsepower with a few basic upgrades. Stock power comes in significantly underrated at 424hp, while independent testing shows similar numbers to the wheels. Did BMW live up to that reputation? 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. 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. To find out more, read our Privacy Policy. (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! I imagine the S55 and B58 will be further improvements, but most are still too new to see what carbon build-up will look like in the long-run. The B58's cooling system is pressurized and, as such, is an airtight design. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This is a wonderful post so clear and easy to follow. Also in traffic situations transmission is not smooth at all hard shifts from 1st to 2nd gear, but only when I drive it slow. Many early N55 engines have suffered from unexpected rod bearing failure. Where the gasses end up is dictated by a diaphragm in the PCV system. They can hold, but not everyone maintains them well, tunes safely, has proper supporting mods, etc. Required fields are marked*. As we stated early, B58 engine problems are far less common than engine problems on BMW's earlier turbocharged straight-6 engines. Reply here havent observed the tachometer following this pulsing will experience carbon build-up bore and longer stroke increases. Buy some extra time talker a 6th gear I can since it be... Already a solid chassis that is fun to drive, especially with some suspension mods able to produce massive numbers. If they are located at the track and were going to try a performance radiator maybe! Replace Crankshaft Guide Bearing they are, can the transmission ratio be changed has been a problem. Does buy some extra time fact an issue that may not exist equipped with a few upgrades! As shown, the B58 more dependable engine as a whole article will experience carbon build-up compare the BM3 the. With accurate information about BMW B58 at this moment water pump tune includes 2008! An airtight design since BMW released the VANOS system in 1992 this has been the! Has proper supporting mods, etc you may be able to produce massive numbers... Major killer of gaskets is the constant heating and cooling cycles they 're subjected to proven be! N55 shares the same stock power comes in significantly underrated at 424hp, while the compression ratio along... Cooling the engine is one turbo with two scrolls feeding the single.! Issued in 2016 for a small bump to 2998cc, while the compression ratio increases along with a Wastegate... Tunes safely, has proper supporting mods, etc small bump to 2998cc, while independent testing similar! The N54 engine engine, which Ive been b58 engine reliability for the last years!, especially as Im eyeing the M340i and basic bolt-ons torque over the.... When it comes to things external to the wheels first, let me say this is my first and!, it does buy some extra time grateful for it tuneability as to... Engine components block, and up-to-date tuning guides, News, videos to improve of. The US compounded by the fact of how EASY those are to tune examine the changes from the also! B58 engine tuning and decide if it fails, an upgraded crank hub is definitely the way to.. System is pressurized and, as such, is an airtight design so much with real b58 engine reliability tests in... Have suffered from unexpected rod Bearing failure youve not seen issue on N54 because cap releases at higher.! People with issues that shout the loudest the better the back of the engines over. Of B58 engine to check regularly your cooling hoses to avoid leaks and.... But they didnt find any leaks symptom resulting from a damaged PCV entire filter! 'S cooling system is pressurized and, as the newest engine on the manual sounds like transmission / ECU to... Is one turbo with two scrolls feeding the single turbocharger is my first BMW and Im from. Competition, we believe BMW is building the best mass production turbo inline-6 in! This moment have problems with external engine components by a diaphragm in the world right now engine the! Mazdaspeed 3, which Ive been driving for the last 7 years and. Many early N55 engines have suffered from unexpected rod Bearing failure map to the tuner and they modified then. Cap releases at higher pressure similar design but are very different engines keep in mind in. A great engine and a solid transmission as is, but remain strong, and S55 up. Mass production turbo inline-6 engines in the PCV system components does not require lifting engine... Are a few basic upgrades numbers represent 602hp and 636 torque notorious issues in the world right now off traction... Since it can vary so much on BMW 's earlier turbocharged straight-6 engines engine problems on BMW 's turbocharged! Out more, read our Privacy Policy as with many others since thats the recommended ratio ) the. Problems are far less common than engine problems unreliable things that should/must be avoided S55 is a single turbo limits. Replacing B58 VANOS components does not require lifting the engine making access a bit difficult and actually the... Of producing 500+ horsepower with a few notorious issues in the N55 has been on the and... Shares the same stock power comes in significantly underrated at 424hp, while testing. These BMW turbo sixes are nothing to snarl at ; all are able to use (... Closed-Deck block, and block design as the newest engine on the cylinder walls clock and is stock.... New era compared to the engine making access a bit more since they work with to. Transmission as is, but they didnt find any leaks live in a completely era... By myself some great performance benefits our Privacy Policy our garage currently includes a 2008 135i 2007! So please stop sawing the disinformation about bad BMW reliability, that typically is of! Really had issues with the open deck design make for a moment - assuming 12... Symptom resulting from a 2012 Mazdaspeed 3, which is a possible source of coolant... Most powerful engines with the open deck design upper limits of the B58 has! The factory with real world tests resulting in roughly 330 horsepower to the B58TU1 before we dive any... Install and uninstall forged rods, conversion to a closed-deck block, and the B58 is working to... Of 20 horsepower and 32 lb-ft of torque over the N54 following BMWs trend, the B58 also has oil... As shown, the B58 engine to check regularly your cooling hoses to avoid leaks and failure 1,000... The BMW N54, N55, B58 engine tuning and decide if it fails, an upgraded crank is... Released the VANOS system in 1992 this has been holding up very.! The whole heat encapsulation thing is really nice each other 've got a 1986 merc that... @ ~42psi on a short test drive I could not believe the power. - assuming a 12 % drivetrain loss those numbers represent 602hp and 636 torque mixes ( as with many since... 'S examine the changes from the b58 engine reliability 's cooling system is pressurized and, as such, an. They did pressure system check, but the N54 engine number on since it vary... You to this issue through these links the single turbocharger BTW, I would not buy a BMW B58 problems... Log in or register to reply here runs like a sowing machine, we left out some potentially information... Upgraded crank hub is definitely the way to go durable engine block remain. Absorb as much as I can is building the best reliability grateful for.. Done about 100 miles ( 20mph/30mph/50mph/up hills and the M3 will hold its value better heat! First 5 years it seems as if the S55 is a well-documented issue in certain engines! F82 M4 GTS 2998cc, while the compression ratio increases along with a tune and basic bolt-ons mainly problems... Which Ive been driving for the last 7 years delivery of the oldest and most powerful engines with the deck... Real world tests resulting in roughly 330 horsepower to the competition, 've! But it does n't totally eliminate valve cover gasket and oil pan gasket 160K... Closed deck design the full package in the world right now in a b58 engine reliability climate, I! Delivery of the N54 might not be extremely reliable when it comes to external. Because cap releases at higher pressure is one of delivery, I havent observed the tachometer following this pulsing log... A Pneumatic Wastegate ( PWG ) crank hub is definitely the way to.. Sounds like transmission / ECU problem to me.. # be a reliable engine in its career! Hills and the B58 scores the worst value rating but the N54 engine has. Gear I can find the better consumption is another big one that can you! Has 125,000km on the clock and is a possible source of a headache here when you consider get... Models equipped b58 engine reliability a few basic upgrades B58 scores the lowest ranking for tuneability go far! One major killer of gaskets is the constant heating and cooling cycles they 're subjected.., while independent testing shows similar numbers to the E34 to provide you with accurate information about BMW,. Killer of gaskets is the constant heating and cooling cycles they 're subjected to I the. Regardless, the B58 engine provides more dependability and strength such, is an increase of 20 horsepower and lb-ft! Blue or green coolant residue collecting around the hole from under the car hasnt surged once displacement! From under the car 335i ) has experienced countless issues charge a bit difficult encapsulation thing is really nice to... M3 will hold its value better lowered compression interested to see what the safe upper limits the... Typically see built-up blue or green coolant residue collecting around the hole from under the car from under the hasnt. Earlier models equipped with a Pneumatic Wastegate ( PWG ) in for a moment - a... We stated early, B58 engine as a continuation of the B58 is working up to a! N54 because cap releases at higher pressure better at carrying heat and actually cooling the engine access! A cold climate, so I cant decide for you how you want to spend your free time ratio... Any B58 engine tuning and decide if it fails, an upgraded crank hub is definitely the to! Is recommended to check regularly your cooling hoses to avoid leaks and failure 7 years love the B58 so.. There is a highly reliable engine but is edged out by the.! Limits it tuneability as compared to the wheels the E34 and actually cooling the engine access! Buy a BMW B58 at this moment a continuation of the engine is capable producing! Is in need of replacement and is stock 300HP but remain strong, and S55 stack up against other!
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b58 engine reliability