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      04-08-2007, 11:32 AM   #10
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Drives: E92 M3
Join Date: Sep 2006
Location: San Diego, CA USA

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Noticed that

Originally Posted by ndahbar View Post
Also note that the new M3 uses the exact same gearbox as the 335i, but of course with a much more aggressive final drive ratio (3.846 vs 3.08).

Of course, this is referring to manual 6-spd in both cars.

If you want to verify this, look at the recently-released press kit PDF (all the way down) and then look up the 335i manual ratios on, for example (under technical data).
I noticed the exact same thing immediately as well doing my spreadsheeting. One thing I conclude from this is that the 6MT in the M3 will actually be the tranny from the 335i. Since the two cars produce about the same torque the 335i unit should serve the M3 just fine. All gears exactly the same is just too much coincidence. BMW needs to save every penny they can, many engine parts from M5, many chassis parts from 335i, brakes from M5, ... tranny from 335i. Makes no difference to me, but I think Scott, our insider, claimed that the 6MT was developed specifically for the M3.