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Why? (archive)

[ Follow Ups ] [ E30 M3 Message Board ] [ Msg. Board FAQ ]

Posted by JamesM on March 12, 2001 at 10:27:01:

In Reply to: Wanted: Used E30 M3 stock swaybars posted by Pinsk on March 10, 2001 at 22:33:12:

Your 325is actually has a larger front bar than the M3--20mm vs 19mm. The rear bars are the SAME! The M3 has a higher anti-roll rate because the sway-bar link attaches to the strut housing, not halfway up the a-arm. The M3 setup gives you approximately twice the rate as the 325i setup. Actual anti-roll rates are different because the 325i has a 1mm larger bar.

And you next question will be: can I put M3 struts on the 325? Yes, but you'll need the steering arm, too. The 325 has the strut and steering arm all in one, the M3 has them separate. You'll also need M3 front brakes complete and 5-bolt wheels just for the front. You'll also have to install the offset control arm bushing.

James
[email protected]


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