I would also say you should also change your trans fluid if you care about shifter feel and wear and tear on your trans.
Performance short shifter... (see my post #20)...
http://www.1addicts.com/forums/showt...dealer+zentrum
DIY: manual transmission and diff fluid change
http://www.1addicts.com/forums/showt...erformance+SSK
6MT
N54 = 80mm throws
N54
w/Perf SSK = 55mm throws
N55 = 70mm throws (& 1M, since they share the same trans)
I think these photos might help some to understand how a SSK works, by moving the fulcrum point(ball)...
Also... this thread might be of interest...
BMWP Short Shift
http://www.1addicts.com/forums/showt...=879129&page=6