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      04-14-2011, 02:01 PM   #1
Uli_HH
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Lightbulb Rumor: F30/F32 M3 to Get Tri-Turbo V6 Engine

So far it seems clear, that the engine of the new M3 would be based on the N55 R6 ... with two possibility that are discussed ... a 3.0ltr. BiTurbo and a 3.5ltr. TriTurbo.

But now there are now rumors in german forums (from someone who has been known to have some good connections to BMW M) that there is an possibilty that the M-GmbH has changed their mind to an totally new and for many totally surprising engine layout .. but a logical one:

a 3.3L V6 with 3 Turbos !!! (one general turbo, plus two turbos dedicated to 3-cylinders each)

... there is furthermore the yet not from anyone realized TriTurbo Issue but the rest seems logical ... taking the new M5 4.4ltr. V8 and taking 2 cylinderrs away and you getting an potent 3.3ltr. V6.

Greets Uli_HH

Last edited by Uli_HH; 04-14-2011 at 03:39 PM.
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      04-14-2011, 02:22 PM   #2
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BMW do a V6 instead of a straight 6? I'm surprised they would do that type of engine.
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      04-14-2011, 02:24 PM   #3
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Wow, that's crazy!!! Can't wait for this one.... If it does comes out.
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      04-14-2011, 02:35 PM   #4
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nope, that definitely won't be the case
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      04-14-2011, 03:40 PM   #5
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No I dont see them going from a perfectly blanced I6 to an imbalanced 90-degree V6.
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      04-15-2011, 01:46 AM   #6
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Quote:
Originally Posted by MazdaFan View Post
No I dont see them going from a perfectly blanced I6 to an imbalanced 90-degree V6.
If it didn't stop Nissan from canning the legendary RB26 inline 6 in the GTR Skyline and going to a V6 twin turbo, why would BMW think otherwise?
I believe they see Nissan as a direct performance threat in this competitive market and proof shows that many guys dumped their V8 M3's once the new GTR was released. Check these forums for the ones who switched over.
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      04-15-2011, 03:27 AM   #7
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No V8 grunt, the legendary M3 will be in history....
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      04-15-2011, 08:53 AM   #8
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A smooth V6 is definitely possible with a 60-degree V-angle. So they can make a smooth V6. However, BMW clearly prefers to set the turbos inside of the V in V-engines (as seen on the 4.4 liter bi-turbo) and I have troubles imagining that they could acheive this arrangement with a 60-degree V.

Lets say they went to 90-degree V angle and did put the turbos in the V, then that is fine, but they would do it with a sacrifice of some smoothness and free-revving nature that BMW is known for. I would be surprised if they do this. My personal opinion on a V6 tri-turbo is that, although technically possible in terms of plumbing with the turbos in the V (not possible with turbos outside the V) I am pretty certain that the heat would be too much of an issue to pull this off.

This makes me think that an inline-6 is still most likely. BMW will probably want to make this the first full M-version of a turbo so I can see it being significantly different from the N55... maybe a tri-turbo is in the cards. I think that the most likely thing will be M making their own 3.0 or 3.2 I-6 engine and then pumping the hell out of it with twinturbos. To be clear, I don't think that they will use an N54 or N55 and simply modified it a little this time like they have on the some of the current M-cars.
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      04-15-2011, 09:17 AM   #9
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I'm not doubting the V, I was referring to the tri-turbo part of the post...V6 TT is most likely the case
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      04-15-2011, 10:24 AM   #10
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Quote:
Originally Posted by dzenno View Post
I'm not doubting the V, I was referring to the tri-turbo part of the post...V6 TT is most likely the case
I agree. Tri turbo will do nothing but make the car more expensive and probably less reliable. A car in the 450-500hp range doesn't need a tri turbo.
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      04-15-2011, 11:27 AM   #11
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it wont be a V6 - end of story

gimme a break ...
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      04-15-2011, 12:17 PM   #12
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actually guys... its their 4cyl engine... x 2...

one in front and one in back... quad turbos.

you can actually disable the rear engine for fuel economy.

Bmw is currently working on a way to make it all work and still provide storage space in the rear.

ppp

p.s. can you say perfectly balanced awd beast, hope they keep the weight down.
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      04-15-2011, 04:14 PM   #13
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Quote:
Originally Posted by Uli_HH View Post
So far it seems clear, that the engine of the new M3 would be based on the N55 R6 ... with two possibility that are discussed ... an 3.0ltr. BiTurbo and an 3.5ltr. TriTurbo.
But now there are strange rumor in german forums that there is an possibilty that the M-GmbH has changed their mind to an totally new and for many totally surprising engine layout .. but an logically one:

an 3.3ltr. V6 with 3 Turbos !!!

... there is furthermore the yet not from anyone realised TriTurbo Issue but the rest seems logical ... taking the new M5 4.4ltr. V8 and taking 2 cylinderrs away and you getting an potent 3.3ltr. V6.

Greets Uli_HH
The triturbo rumor has been pretty strong and I think it is coming, although the rumor was surrounding non-M 3 cylinder and 4-cylinder engines. Now the V6 rumor is definitly a new one and is something interesting.

It seems the one dogma BMW has maintained is to stay away from V6 engines, probably only because of their complete perfection of the i-6. Im not sure the advantage a V6 turbo would have over an i-6 turbo as far as BMW M is concerned.

But the way BMW has been going, nothing is impossible, so its something to think about in the back of our minds for sure. In the end, the next M3 is so far away in the timeline, I bet atleast another 10-20 rumors fly in and out between now and then
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      04-19-2011, 01:10 PM   #14
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      04-19-2011, 01:11 PM   #15
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lol.

nice try.
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      04-19-2011, 01:12 PM   #16
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How about a I-6 with a 2 pipe exhaust manifold with a dedicated Turbo on each one making 3 Turbo's total. That would be interesting. They have done so well with their Inlines...why go to a V6? Plus I can't see it sounding good in that configuration.
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      04-19-2011, 01:13 PM   #17
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The M3 is too import to BMW to go and try something ridiculous, even if it was a game changer.
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      04-19-2011, 01:17 PM   #18
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Quote:
Originally Posted by 456ntripz View Post
BMW do a V6 instead of a straight 6? I'm surprised they would do that type of engine.
If you think about it, it makes "sense" to use V6. They'll have 2 or 3 turbos, intercoolers and etc... An I6 takes too much space. V6 will be much more compact.
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      04-19-2011, 01:17 PM   #19
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A V6 has the advantage in packaging over an I6. Especially if they want to maintain the design of S63 to improve turbo performance.
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      04-19-2011, 01:19 PM   #20
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tri turbo I6 maybe, but I can't imagine a tri-turbo V6, that just makes no sense.
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      04-19-2011, 01:24 PM   #21
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Quote:
Originally Posted by Bimmer325 View Post
No V8 grunt, the legendary M3 will be in history....
as opposed to every other m3 besides the e9x that didn't use a v8??
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      04-19-2011, 01:24 PM   #22
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Quote:
Originally Posted by Bimmer325 View Post
No V8 grunt, the legendary M3 will be in history....
Legendary M3? the current M3 is the only one to ever have a V8, they are just going back to the old M3 engine size but adding turbos.

times are changing, everyone needs to get used to it!
The M3 after this one will probably be part electric, what will you say to that?
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