12-28-2012, 11:42 AM | #309 |
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I think the Maserati (Ferrari) 3.0l V6 making 410 PS is a very good measuring stick. This engine is meant for GTs, not sportscars like BMW M. So if the M3/M4 engine is not making at least 450 PS from its 3.0l I6, I say it is weak. The new Audi S3 makes 300 PS from its 2.0l I4 (150 PS/l).
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01-03-2013, 12:34 PM | #310 |
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it may have been discussed here already but i couldnt scour through all of the posts. i had lunch last week with the owner of two BMW dealerships and he told me the next M3 will have 3 turbos and some other stuff that i already forgot.
not sure if it was confirmed elsewhere in this thread already.
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01-03-2013, 01:07 PM | #311 | |
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01-03-2013, 01:16 PM | #312 | |
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01-08-2013, 07:06 AM | #313 |
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So the latest rumors from Jason, are that the F8X's engine will have a 8.000 RPM redline? From an I6? That is just not possible on the base of the N54/N55. And 8.000 RPM would make alot more than the rumored 430 PS. It would be in the 470-500 PS ballpark.
We had the "spypic" of the "M3 F80"s engine bay. For sure this could pic not be taken by spy/paparazzi photographs. So it must have been taken by BMW themselves. What proves us that this car was an M3 F80 or that this M3 F80 was fitted with the engine that would go into production? They quite possibly gave that pic to silence all the V6 rumors. TT 3.3l V6 alot makes alot more sense now. And what about the 430 PS I6 and the engine bay pic? What if it was just the next generation I6 and of the BMW 440i? I wouldn't bet on anything, because anything is possible. BMW is about cost saving, so they'll chose the engine that saves them more money. And now and image about of the concurence: Audi: They have the Supercharged 3.0l V6, to rival the Mx40i. Next RS4/RS5 will simply just get the Turbocharged 4.0l V8. That is cost effective. To make a more powerfull (~450 PS) Supercharged V6 will cost more than to fit in a Turbocharged 4.0l V8, when they sell this engine in all these following cars: S6/S7 (420 PS), S8 (520 PS) and RS6 (560 PS). Mercedes: They have a new Turbocharged V6 that replaces the old Naturally Aspirated V6. But that is no performance engine. Are they going to build a special V6 for the C AMG only? No. They'll do as they always did. But now the new C AMG will get a newly developed Turbocharged 4.0l V8 (two A 45 AMG engines put together in V) that is also to power the SLC AMG, likely the successor of the SLS AMG. So both the next RS4/RS5 and C AMG are probably getting a Turbocharged 4.0l V8. What about BMW? Could also be a possibility. There were initial rumors of a turbocharged S65, this give as a Turbocharged 4.0l V8. Same displacement and configuration for all the three german premium mid-class sedans/coupés. Sounds ready for DTM battle. Until any offcial, not "official", info release, I wouldn't be to sure about anything. All BMW decisions depend on the costs and long-term considerations. I'd continue expecting the follwoing possibilities: 1. TC 3.0l I6 based on next generation engine, S54/S55 successor, in various output configurations for x35i, x40i, to M3/M4/X3 M/X4 M/Z5 M (?). 2. TC 3.3l V6 based on TC 4.4l V8, only for mid M cars. 3. TC 4.0l V8 based on S65, to with various outputs to power the whole range of M cars: M3, M4, M5, M6, M7 (?), X3 M, X4 M, X5 M, X6 M, and Z5 M (?), with the exception of M2, which in this case could get an I6, and not an I4. Specualtions can continue. Disclaimer: Sound of spy vids. Not clear. |
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01-08-2013, 10:48 AM | #314 | |
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BUT you forgot one important engine layout: The 3.0ltr.V6 (HDZ)BiTurbo based on the 4.0ltr.V8 BiTurbo ... both engines are originally well provided for the M1-sucessor ... and are really Highend/Hightech-Engines. Greats Uli_HH |
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01-08-2013, 03:10 PM | #315 | |
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01-09-2013, 05:46 AM | #316 | |
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01-24-2013, 11:16 AM | #317 |
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100% agree, no M car has been bad, they are all great but the E92 (just my fav version) will be a classic in 20years time and is a beast right now. Just can't imagine the same for the 36/46 and even the F series -
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04-06-2013, 02:01 PM | #318 |
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If anyone is interested, here are some pics I snapped of the new M3 sedan about a block from my house:
http://www.m3post.com/forums/showthread.php?t=824854 |
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04-22-2013, 07:27 PM | #320 |
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05-05-2013, 02:20 AM | #321 |
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I keep hearing how "unique" the current S65 V8 is. My opinion is that this engine is a torque-less, heavy, old-technology (doesn't even have direct injection), inefficient engine that sounds much worse and faint than any competitor's V8, take AMG for example. With a turbocharged engine you can have fun all the time, while the S65 V8 is gutless in daily traffic and is only good on the track where you spend 10% of your time.
BMW used "unique" engines because the production ones did not satisfy their goals no matter how heavily modified. This isn't the case anymore, the BMW standard engines are becoming light, efficient and powerful and it would be stupid for M not to use them as a base. As long as it handles exceptionally well, it feels well and it's substantially more powerful than a standard car, it can be an M.
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05-05-2013, 07:25 AM | #323 | |||||
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Well, it is in pretty rare company for non-supercars. The only other V8 outside that class of car capable of 100hp/L and 8000+ RPM is from Audi. Whether those engine traits appeal to you is another matter, but they do make the engine unique. Sure you could paint the valve covers of an engine pink and call it unique, but these features of the S65 represent significant engineer efforts and make it feel and behave more like a racing engine. And that's something that presents a lot of value for people still looking for the motorsport connection from M Division.
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The facts tell us that peak torque for this engine is nearly identical to BMW's own state-of-the art N55 (even with its latest and greatest direct injection and Valvetronic technology). It also has a flatter torque curve than that engine. Finally, the S65 weighs insignificantly more than an N55 - about 20 lbs. As for power, which is what ultimately determines a car's performance (and which you did not address, but I will), the S65 makes much more power than an N55 and in fact even more than the N63 turbocharged V8. It was not until the arrival of the N63Tu late last year that the series turbocharged V8 eclipsed the S65 in power, and only by a few percent. Of course it weighs a lot more than an S65 as well. There is the S63 too, but it is available only in much more expensive and much larger, heavier vehicles unfortunately. On the matter of efficiency, yes, the S65 definitely comes out on the bottom. Quote:
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05-15-2013, 02:41 AM | #324 |
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Bmw will never but V6 engine on M- model. There is no reason.
There is talk that N55 hasn´t capacity to rev 8000rpm, it has, if they machined bigger crankshaft- and rodbearings, better flowing cylinder head, bigger valves and optimase vibration damber to handle revs. Like they heavily modified M54 engine to S54. |
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05-15-2013, 07:09 AM | #325 | |
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The only thing clear to me is that all new BMW AG and M GmbH engines will build on the modular platform of the B.8 engine family !!! The first engine of this family is the B38 3-cylinder, which pretends the technical principles / conditions for all new engines. According to the last interview of the Dr.Nitschke this B38 is able to achieve performance up to 300 + hp ... what does mean, that an composite 6 cylinder of 2 B38 as Levi quotes, could easily achieve 600 + hp ... and this in both V6 and I6 form, from which the V6 for a sports car would of course bringing packaging benefits while allowing further the use of the revolutionary BiTurbo system of S63Tü. And ultimately a F80 with a V6 would certainly most easily de-raised doubts over on the uniqueness of the M3 engine. Nevertheless, this 3.0ltr.V6 BiTurbo would fit easily in the new common parts engine kit / platform from BMW. And an V6 is in every way an better base to combine high revs with high pressure turbos ... the S54 is there no real criterion, since it is no turbo engine and thus a significant and non-negligible load characteristic is absent ... a more compact crankshaft-moderately build engine withstand the high loads better or more easily. Greets Uli_HH Last edited by Uli_HH; 05-15-2013 at 07:53 AM.. |
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05-15-2013, 08:40 AM | #326 | |
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Civil cars hp/l ratio is so low that it not make sense to move use V6, there are lots of S38,S50,S52,S54 even M52 whit turbocharger/supercharger and block is not weakest point. Good example M12 formula 1 engine weakest point are not a block, weakest part has a piston pin. I think too that M3 power will be always under 500bhp, so I6 is ideal platform. Sound better than V6 even when talking TC engines, more econimically? I6 need only two camshaft and less rotation parts than V6, rev faster and I6 is naturally balanced. And what you said allready, I think that only better is that whit V6 layot you can put turbochargers inside on V. So not make sense that Bmw do totally new V6 block. Long history for I6 engines, I6 make Bmw sound differend(better) than competors and only parts what engine can share whit B38 is pistons and cylinder head. |
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05-17-2013, 07:39 PM | #328 |
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Being that its going to be at least a twin turbo, you can probably expect to be able to add 1.2x Hp with pretty much just software upgrades. So if its 450hp stock x 1.2=540hp with a Crap load of added torque.
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06-20-2013, 03:24 AM | #329 |
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06-20-2013, 04:33 AM | #330 |
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