Quote:
Originally Posted by jjellyneck
Hmmmm...are the Perf Suspension springs a pure BMW spec or are they maybe an Eibach rebranded? Any idea what the spring rates are on them vs. Sport Suspension rates? Thanks.
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Posted on BMW's website 30% firmer tham sport susp springs
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2007 E90 335i, TiAg, 6AT, ZPP, ZSP, ZCW, 6FL, HD
Quaife lsd, ETS fmic, GIAC s/w, Dinan intake/exhaust/oc, Koni/M3 susp, Apex Arc 8, Mich PSS