Original Alpina supercharger clutch bearings with Installation Tool.
Kit includes: 2x OEM supercharger Clutch Bearings, 1x Installation Tool, 2x supercharger engine mount seals
Fits all supercharged Alpina B5/B6/B7 models.
(Previously available as part of BMW p/n 11657973081 which is discontinued and no longer available)
Bearings Made in EU 
Tool Made in USA
DIY video