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Re: Question about suspension (archive)

[ Follow Ups ] [ 5-series (E34) Message Board ] [ Msg. Board FAQ ]

Posted by George Mann on September 26, 2001 at 08:38:22:

In Reply to: Re: Question about suspension posted by gordon on September 25, 2001 at 16:34:08:

Shimmy is a by-product of one thing or the aggragate of my things. Plus size tire/wheel
combo's aggravate shimmy because the side wall of
the tire is more rigid and therefore will vibrate
at a frequency closer to the rest of the suspension. The reason that shimmy is elusive is
because with these cars with their very precise
suspensions, pretty much everything has to be right...suspension component condition, assembly
torques, alignment (toe), and wheel balance/wheel trueness/tire roundness. If any one of these
factors is out of spec, you increase the probability of shimmy.
Sort through your suspension..not too components over 100K mi, and you will have
one of the best driving experiences there is.
Good luck,
90 735il/145K

The front end of mine was like a rock for the first year ( I mean no shimmy not stiff or anything)...anyway, put on 17" wheels and had no trouble at all once I had put on the hubcentric rings... still smooth and solid. Then about 2 months ago I started to notice the shimmy at exactly 80-100KPH...55-64 MPH. Had it looked at and the lower control arms were both loose and the right shock was leaking (my shimmy seemed to be from the right).
Would be interesting to know what exactly causes this one... the shock or the control arms (lower).

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