I just bought mine at the dealership...I didn't want to risk something spinning at that speed with an aftermarket vendor.
Black 2007 Alpina B7
Tension strut bushings
White 2007 Alpina B7
Supercharger clutch/bearings, replaced exhaust valve/pulled head, sunroof seal, 6000K angel eyes
Black 2002 BMW 745Li (sold)
KW v3's, blue angel eyes, 8000K headlights & HID fogs, rebuilt alternator & mounting bracket gasket, sunroof seal, CCVs, plugs, sway bar bushings, timing & valve cover gaskets, valve stem seals, guibo joint, mechatronic sealing sleeve, trans fluid, sanded headlights...