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      08-29-2013, 10:14 PM   #13
stevers314
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Drives: 2011 335d M Sport
Join Date: Jul 2013
Location: Austin

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Quote:
Originally Posted by MonkUSMC View Post
If we bring our final drive down to 2.30 or so, we'll be cruising at 1700rpm @ 80mph. I don't know how much that will slow down acceleration though, I wouldn't think too much since most of us run a tune. Our mechanical top speed will raise from 192mph to 237mph as well, lol. How much HP we'll need to reach that is another story.
I'm pretty sure we are around 2.81 stock. Otherwise the gearing is the same as the 6HP26 in the V8 cars. We do have a different torque convertor though.

If the FD was dropped even lower, it may be possible to program in regular use of 1st gear again to get back acceleration.
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