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Urethane Strut Mount Bushings (archive)

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

Posted by Phaedrus on August 31, 2001 at 13:05:09:

In Reply to: Adjustable Camber Plates? Worth It? posted by Michael Radin on August 31, 2001 at 12:26:31:

I'm assuming that you are talking about the K-mac adjustable bushings, particularly the ones in the front. I would not go with them as they don't give much (if any) additional negative camber beyond the eccentric BMW bushings. The big downside of the urethane strut mount bushings is noise, they really do translate a whole lot more noise into the car and the BMW ones do not. While the BMW eccentric bushings are more expensive than the K-mac's, I do not feel that the tradeoffs are worth it, partilcularly on a mainly street car.

I haven't done this on my E34, but on my E28 535i which is relatively well prepared. My E28 is a loud, stiff, fast car and the K-macs made road noise FAR more noticeable. Were I to do this type of mod again, I would go with the ground control setup with 2.5" springs, adjustable ride height, and serious camber and caster adjustments.

Oh, another thing. The K-mac camber plates do not allow nearly the range of adjustment that they advertise. On my E28 they said (after a 20+ minute phone conversation) that -2.25 degrees was the maximum negative camber on the front. Imagine my surprise and disappointment when I could only get -0.75 degrees!

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