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Possibly the Bilsteins or the tires!!!! (m) (archive)

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

Posted by Mango on September 02, 2001 at 20:39:48:

In Reply to: Front susp. bottoming; new h&r's+bilsteins-94-540i posted by Steve P. on August 31, 2001 at 16:31:12:

My car was bottoming out when I upgraded suspension a couple years ago. It turned out to be a couple defective Bilsteins. They were replaced free under lifetime warranty. That seemed to be fine, except it would bottom out on very hard bumps. I would have described the ride as extremely harsh.

Then ... I changed tires with a DRAMATIC difference in result! I now use Bridgestone RE950's. The ride is totally compliant and does not bottom out on the big very hard bumps anymore. I was stunned because I assumed that it was supposed to be a harsh ride. My conclusion is that some rubber is so hard, it transmits the harshness of road surface through to the suspension. But the RE950's seem to absorb a lot of the harshness in the actual road surface.

94 Dinan 530iA

I just had h&r #50413 springs and bilstein sport springs installed. I am experiencing bottoming out (hitting the bump stop) on the front end over bumps which i don't consider extreme. The new front struts were cartridges, the old bump stops were left out per the instructions (the new ones have internal bump stops...) The front is now approx. 1.5" lower..does anyone else have this problem? I can't imagine this is considered normal! I just looked on h&r's website and this spring kit number is for 89-96, 6 and 8 cylinder cars..But i thought the v-8 was heavier??? any help is appriciated.....

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