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      05-27-2021, 08:48 PM   #7
lelandr
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Drives: Z4MC, E30M3, E90330i, Z3MC
Join Date: Jul 2012
Location: Alpharetta, GA

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Quote:
Originally Posted by Michael9218 View Post
The shock tower is not structural and should not be used as a mount point for the down bars unless it is reinforced and tied into the frame rail. Most I have seen fail to do this, including the second car you reference. Putting a cap on the shock tower does not make it a structural point on the chassis.

There's no benefit to running coilover rear shocks on a Z4MC. An adjustable articulating perch for the spring is all you need.
You have to admit that it's better than that bolt in monstrosity in my car.

I think that people think that just because you want to reinforce the pickup points that it is structural. One must remember, that it is the springs, not the shocks which support the weight of the car.
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