I do wonder how the BMW PS springs compare to the Swift Spec-R's over a given set of shocks.
Aren't they something like 1/2" drop compared to M-Sport and 160 lbs/in front and 420 lbs/in rear?
May still be kinda soft...
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2012 E88 M-Sport 135i DSB Metallic
ER CP, ZHP Knob, E60 SSK Lever, E92 M3 FSB, RSFB inserts, Koni Sport, Eibach Pro, UCP, MPSS, AP axle-back, MHD Stage1+ 91
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