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      08-07-2012, 11:50 AM   #55
SpeedCC
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Drives: 335xi
Join Date: Mar 2012
Location: Burlington,VT


Posts: 35
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Quote:
Originally Posted by flinchy View Post
uhhh... compresssed springs and OEM ride quality? impossible.

ED: i should also note, compressing springs, much like adding lowered springs, will reduce the life of the strut, not only compromise ride quality and safety... do this at your own risk .
These perches actually lengthen the static distance from Bottom Spring Perch (fixed on strut) to Top Spring Perch (Supreme Power) so the spring is not as compressed upon top hat assembly as it was with stock top hat.

Thus, the car now sees an initially lighter spring (same spring but not as compressed as stock assembly) with the strut sitting further into its stroke (hence the approximate 0.5 inch lowering), and in my case has further increases bump stop activity. Outcome will vary based on existing strut/spring that is used and their related baseline performance.