I was wrong about the available negative camber.
http://www.1addicts.com/forums/showthread.php?t=399902
I think you'll need some just due to the lowering. How much is clearly up for debate, and a matter of personal preference.
If you don't add spacers, I don't imagine clearance will be an issue regardless.
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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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