what diff ratio is my E30?
Moderator: martauto
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petrolhead63
- E30 Zone Newbie

- Posts: 11
- Joined: Wed Jun 28, 2006 11:00 pm
can someone tell me the standard ratio of the diff in my 1990 E30 325I CAB. Many thanks Russ
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old_skool
- E30 Zone Team Member

- Posts: 3405
- Joined: Fri Sep 01, 2006 11:00 pm
- Location: Glossersure
Likely to be a 3.91 open diff from standard but you never know!. Only way to know for sure is to check the revolutions of the prop/wheels.
