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CHARMOUS
11-14-2012, 09:10 PM
So I know my diff as a ratio of 2.93 how do I know if its a LSD. Or open diff
Car is a 1997 328is standard.

StraightSix
11-14-2012, 11:34 PM
Jack up the rear of the car and rotate one of the rear wheels. If the other rear wheel rotates in the opposite direction you have an open diff, same direction you have an LSD.

CHARMOUS
11-14-2012, 11:38 PM
Jack up the rear of the car and rotate one of the rear wheels. If the other rear wheel rotates in the opposite direction you have an open diff, same direction you have an LSD.

Thank u

Axxe
11-16-2012, 03:53 PM
99.99999% chance its open.

dcramer
11-16-2012, 05:46 PM
99.99999% chance its open.

what he said

CHARMOUS
11-16-2012, 06:08 PM
It is open. What's better

dcramer
11-16-2012, 06:52 PM
for track use most ppl like an LSD, but on the road, doesn't really matter

Axxe
11-17-2012, 10:50 AM
LSD is also handy during winter months when traction is limited. The car behaves differently however it is consistent, which instills a measure of confidence when needing to merge in a blizzard.