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      04-01-2008, 02:05 PM   #10
lucid
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Drives: E30 M3; Expedition
Join Date: Apr 2007
Location: USA

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Quote:
Originally Posted by SMSgt B View Post
So I wonder what is more important, keeping it under 5500 rpms or 106mph? Reason asking is I am keeping my M3 under 5550rpms (ok...accidently slipped to 6K not watching what I was doing testing out M-DCT auto mode), so at 4700rpms, I am traveling at 120mph. At 5000 rpms, I am cruising right at 130mph. I now have generated 550 miles on my M3 in 4 days.
The road speed limitation probably has more to do with breaking in the differential than anything else.
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