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Re: 3.73 on an e is a mistake (archive)

[ Follow Ups ] [ 3-series (E30) Message Board ] [ Msg. Board FAQ ]

Posted by ALAN P on April 26, 2000 at 12:23:40:

In Reply to: 3.73 on an e is a mistake posted by joops on April 26, 2000 at 01:53:13:

:
: If your car is an eta engine...
: using a 3.73 gear on the streets is not advisable, not only is that you will feel as if your running out of gears but your gas mileage will suffer. The right rear diff is a 3.25 or 3.46 from a 535is e-28 body. This will give you the right takeoff...take my word...and ask eta owners around...
: If you are runnning on the track or racing ...yes take the 3.73.

What is the diff right now (Stock on an 87)? Also, will the 3.46 from an 86-87 535is make my car significantly quicker?


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