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04-09-2007, 05:00 AM | #1 | |
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M-DCT
Over on another forum someone was asking about the origins of BMW's new M-DCT transmission and I thought it might be worth sharing my response just in case a similar question is asked here on M3Post.
Internal BMW correspondence confirms that the M-DCT box will only be available from March 2008. I seem to remember that there was a news leak on Ricardo Engineering's website just over a year ago, talking about a collaboration with BMW on a new gearbox. However there was also news that BMW had bought the DCT technology from Borg Warner. And finally just to confuse us, there is equally strong information to conclude that M-DCT is a Gertrag based system. www.just-auto.com/article.aspx?ID=88902&lk=fs Article said: Quote:
What is not clear is perhaps if they may end up using several systems (i.e. Borg Warner system in mainstream BMWs, and Gertrag DCT system in M-models) just as they did with SMG (i.e. SSG was used in the 3-series, whilst SMG was unique to M-models). Interestingly, Ricardo performed a benchmarking study of the SMGIII transmission back in 2005 http://www.ricardo.com/download/pdf/...ns_bmw_001.pdf |
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04-11-2007, 09:05 AM | #2 |
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If this M-DCT is not due out until March 08, do you think the production cars coming to the US will have that option? I'm guessing since US arrivals are expected around March 08. I'd hate to get my manual and then only a month or two later this option be available.
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04-11-2007, 09:11 AM | #3 |
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DCT has been confirmed in the UK option list press release for March 08.
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04-11-2007, 09:46 AM | #4 |
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Well, I know I'm in the first allocation at my dealer here in Houston. If M-DCT is not an option at that time then I'll wait untill the 2nd or 3rd allocation.
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04-11-2007, 10:47 AM | #5 |
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DCT
I was thinking the same, but wondering about how wise it is to jump on a brand new transmission. Anyone know if Audi had any teething problems with theirs when they brought it out?
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04-11-2007, 12:16 PM | #7 | |
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Quote:
I have read post after post on m5board about all the issues with the SMG failures. Might have been a few kinks not worked out on the M5 and M6 SMG III . And know what? I would still buy a used M5 with SMG for that moment when the shift slams your head into the headrest! |
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04-11-2007, 01:22 PM | #8 |
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04-11-2007, 08:28 PM | #10 |
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04-11-2007, 08:34 PM | #11 |
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04-12-2007, 04:54 AM | #12 |
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04-15-2007, 01:43 AM | #13 |
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DCT info direct from Getrag
http://www.getrag.de/455
Only 18 lb heavier than their 7SP Automated Manual (is this the M5 SMG III?). |
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03-16-2008, 02:16 PM | #14 |
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Sorry if this has been posted before but according to Bimmer Mag May 2008 the M-DCT is definitely made by Getrag, 7DCI600 (letter "I" not number "1")
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