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      10-17-2010, 11:35 AM   #1
southlight
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Arrow New Speculations on the F30 M3 / F32 M3

Following this thread, I came across some more speculation on the engine powering the next generation M3, called the F3x M3. In the past, SCOTT has mentioned that the N55 TwinPower inline 6 would be used as the base engine. No firm news yet, but here's some information on what BMW M is working on to turn the N55 into a real M engine.

First of all, it's my understanding that BMW M is still considering several engines or rather engine layouts for the next M3, so I can't tell whether this particular engine will actually make it into production, only that this is one possible layout they're looking into:


ENGINE / TRANSMISSION:

This engine -- let's call it S55 -- underwent heavy modifications to meet the prospective output of 450 HP:

- The displacement will be increased from 3.0l to 3.5l. We've had a discussion on this possibility earlier here, and came to the conclusion it wasn't possible based on the N55's cylinder spacing. What we didn't know back then is that BMW wouldn't touch the N55's bore, but implement this increase solely by adding stroke. In other words, crank and heads will be different from the N55.

- Furthermore, the S55 will have a new turbo layout. There's no word yet on the exact layout other than it will be aspirated by the help of three turbos. BMW followed a similar approach with the N63 V8 engine on its way to become the S63 engine powering the X5/6 M and soon the M5/6 models. The N63's two individual turbo chargers (each taking care of one bank of the V) were replaced with two twinscroll turbo chargers, and thus the amount of individual scrolls has been doubled. As some have suggested already, this approach can't feasibly be replicated on an inline 6 engine (or any 6 cylinder). There is no easy way to split the exhaust pulses of 6 cylinders into 4 turbo scrolls. Instead, three turbo scrolls were found to be the right solution. Whether that means one additional turbo to the existing twinscroll turbo of the N55 or three individual (single scroll) turbos, or even one tri-scroll turbo remains to be seen. Personally, I'd expect three individual turbos because that would allow for rather small chargers with a low inertia.

As of now, it sounds like the next M3 will only be available with a seven speed DCT transmission. No 6MT! Also, as things look now, there will be an F30 M3 sedan complementing the F32 M3 coupe and the F33 M3 convertible again.

We brought you the news of the X3 M reaching its mature phase of development last week. Now we can add the first, yet most important, fact about this car: It will basically share the engine with the F3x M3. In other words, BMW would choose the same route as with the X5/6M and let an early version of the S55 engine debut in the X3 M.


E90/E92 M3:

Finally, here's a heads-up for everybody disdaining BMW M's decision to turn away from high-revving, naturally aspirated, engines: You better be quick to put in your order for an E9x M3. The rumor has it that the E9x M3 ends production in 2011, including the E92 and E93 M3.


UPDATE: See SCOTT's comment on this, specifically doubting 'DCT only' and the introduction of the F30 M3, here: http://www.m3post.com/forums/showthr...57#post8179457

UPDATE 2: SCOTT's comment on the E9x M3 production ends:
Quote:
Originally Posted by SCOTT26 View Post
Just found out - M3 sedan will be gone by next November because the F30 is launched in November/December. M3 Coupe and Cabrio will be gone about mid 2012. Coupe and Cabrio replacements for the 3er will be launched in Spring and autumn 2013. M3 Replacement for Coupe will be in 2014.



Best regards,
south
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      10-18-2010, 01:06 PM   #2
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Great information! Thanks for sharing it with us. Very good to know information regarding production of the E9x ending in 2011 (which I believe means it is ending a year early compared to what BMW has done before).
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      10-18-2010, 01:10 PM   #3
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Quote:
Originally Posted by southlight View Post
The rumor has it that the E9x M3 ends production in 2011, including the E92 and E93 M3.
Any idea what the final month to order a new 2011 M3 would be if this is the case? Planning to pick one up early next year but don't want to miss the boat
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      10-18-2010, 01:16 PM   #4
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Quote:
As of now, it sounds like the next M3 will only be available with a seven speed DCT transmission. No 6MT! Also, as things look now, there will be an F30 M3 sedan complementing the F32 M3 coupe and the F33 M3 convertible again.
I hope that's not true
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      10-18-2010, 01:17 PM   #5
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Sounds interesting but I am pretty sure that no manual transmission will take it out of the running for replacing my present M3.
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      10-18-2010, 01:17 PM   #6
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If BMW does not include a manual in the new M3, I will have lost all faith for the brand.
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      10-18-2010, 01:18 PM   #7
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      10-18-2010, 01:19 PM   #8
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Final month would be the time they change the model year to 2012, I cannot help you here but perhaps someone may have some info. I know that currently there are 2011.5 models so if that corresponds to half the model year, I'd say you have around 3-4 months left. In terms of the DCT transmission and no more 6MT, I suppose BMW are thinking along the lines of performance and a DCT would perform more consistently than a MT. Thanks for the info South!
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      10-18-2010, 01:20 PM   #9
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Sedan

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Too soon to tell hopefully.
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      10-18-2010, 01:20 PM   #10
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Quote:
Originally Posted by JAdamz View Post
Any idea what the final month to order a new 2011 M3 would be if this is the case? Planning to pick one up early next year but don't want to miss the boat
Same here. Was planning on doing ED around Oktoberfest 2011. Hopefully production doesn't end before then.
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      10-18-2010, 01:20 PM   #11
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Quote:
Originally Posted by southlight View Post
As of now, it sounds like the next M3 will only be available with a seven speed DCT transmission. No 6MT!
That's the most shocking news in your post. The M3 ALWAYS had the manual transmission as standard. Sucks to see that the new F3x M3 won't be available in manual.

Since there is no manual (6-speed) AMG that I know of, BMW //M division seems to be following Mercedes Benz's footsteps when it comes to transmissions.
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      10-18-2010, 01:23 PM   #12
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I'd be pretty surprised if there was no manual, especially if non-M 3-series get a manual. I don't think BMW can go the way of Ferrari and Lambo just yet.
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      10-18-2010, 01:26 PM   #13
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So the character of the next M3 will be shared with an X3 M SUV??

No 6 speed manual??
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      10-18-2010, 01:27 PM   #14
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And hence why I had to buy the E9X now, there will be no more V8s for the rest of eternity. I feel like th E9X will be one of the most highly coveted preowned M3s in the future. We'll see whether ppl covet the 6MT or DCT in our cars.
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      10-18-2010, 01:30 PM   #15
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Quote:
Originally Posted by 330CIZHP View Post
So the character of the next M3 will be shared with an X3 M SUV??

No 6 speed manual??
they'll probably share the same componenets, no big deal, and nothing new, current 3-series shares same components with the X3 such as parts of the rear suspension. It'll be nowhere similar to the M3 in performance.

It's like saying buying the X5M is the same as getting an M5.

Last edited by mdosu; 10-18-2010 at 01:35 PM.
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      10-18-2010, 01:31 PM   #16
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stick or no stick this thing sounds like it can do some damage...im excited to see how it holds up
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      10-18-2010, 01:32 PM   #17
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You guys! This is just speculation... I'm sure the new M3 will be available with a 6MT. Whether it's stock or an option.. who knows.

Personally, I'm STOKED on the new M3. I think the turbos will be a little tough to get used to for some of you but I'm sure it's going to be an awesome car. Even better, by the time it's released I'll be in the market for one so the timing couldn't be better.
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      10-18-2010, 01:32 PM   #18
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If there's no 6MT... I say fuck BMW and the M3. Major lulz if they keep the phrase "Ultimate Driving Machine" after that
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      10-18-2010, 01:36 PM   #19
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No stick in the M3 and I will never look at this brand again
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      10-18-2010, 01:39 PM   #20
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      10-18-2010, 01:42 PM   #21
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      10-18-2010, 01:45 PM   #22
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Quote:
Originally Posted by Muffnbluff View Post
I'd be pretty surprised if there was no manual, especially if non-M 3-series get a manual. I don't think BMW can go the way of Ferrari and Lambo just yet.
It could be that BMW is trying to position the M3 as their fastest offering, and the 1M as their most rowdy and fun offering (with a manual.)
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