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      11-12-2012, 08:52 AM   #7
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Drives: E92 M3
Join Date: Jul 2008
Location: Tennessee

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Originally Posted by JAJ View Post
You'll have to raise the spring perch 29mm (about 1-1/8") to get the same ride height. Make sure that there's enough thread above the perch before you start.

Basically, you're shortening the spring stack by removing 25mm of helper spring that's pressed from a spiral into a cylinder by the weight of the car, and 4mm of spring spacer.
Awesome, thanks!
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