Thread: e30 diffs
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Old 05-12-2010, 12:29 AM   #11
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Join Date: Mar 2004
Location: Ottawa
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I also have an I with an optional LSD. I'd say a 3.73LSD or 4.10LSD would be best for the track, though guys with bigger power numbers need a 3.25 (created from other diffs) and some turbo guys run 2.93LSD.
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