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From digest.v7.n185 Thu Aug 28 16:20:43 1997
From: Chris Bommarito <mullinsv_at_pilot.msu.edu>
Date: Thu, 28 Aug 1997 16:40:56 -0700
Subject: E-28 Shimmy resolved
- --------------EFEA0A3838D8CFA05A49948B
I have an 1985 528ewith 125,000 mile that I bought this summer. Over
the summer it developed a shimmy. First at high speeds (starting at
~70mph-85mph) then upon braking. I read the brake brake FAQ and decided
I would do a brake job before replacing the thrust arm bushings.
Everything in the suspention seemed tight. I did the brake job myself
. New pads rotors in the back (rotors real badly warped) new pads in
the front (had rotors turned). No shimmy elimination. In fact the
shimmy would continue to worsen over the next month. I then ordered
some 750 bushings ($60 per set) as per the digest posts. Went to the
local BMW dealer and measured stock bushings with a digital micrometer.
Stock bushings are 1.967 inches thick. Took the 750 bushings to a
machine shop and had them milled to this thickness for $15/set.
Installed the bushings. 98% shimmy elimination. Replaced front rotors
with new ones, 100% shimmy elimination. What a difference the new
bushings made! Thanks for all of those who have posted to the digest on
this problem.
- --
Christopher R. Bommarito
E-Mail: Mullinsv_at_pilot.msu.edu
- --------------EFEA0A3838D8CFA05A49948B
<HTML>
I have an 1985 528ewith 125,000 mile that I bought this summer. Over
the summer it developed a shimmy. First at high speeds (starting at ~70mph-85mph)
then upon braking. I read the brake brake FAQ and decided I would
do a brake job before replacing the thrust arm bushings. Everything
in the suspention seemed tight. I did the brake job myself
. New pads rotors in the back (rotors real badly warped) new
pads in the front (had rotors turned). No shimmy elimination.
In fact the shimmy would continue to worsen over the next month.
I then ordered some 750 bushings ($60 per set) as per the digest posts.
Went to the local BMW dealer and measured stock bushings with a digital
micrometer. <B>Stock bushings are 1.967 inches thick.</B> Took
the 750 bushings to a machine shop and had them milled to this thickness
for $15/set. Installed the bushings. 98% shimmy
elimination. Replaced front rotors with new ones, 100% shimmy elimination.
What a difference the new bushings made! Thanks for all of those
who have posted to the digest on this problem.
<P>--
<BR>Christopher R. Bommarito
<BR>E-Mail: Mullinsv_at_pilot.msu.edu
<BR> </HTML>
- --------------EFEA0A3838D8CFA05A49948B--
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