This is a complete seals/o-rings/gasket kit for your Bmw, the parts included in this kit are the same as we use when we build a custom differential for our customers.

Race proven

In this kit:
-Pinion seal
-Crush sleeve 
-2 Output seals 
-2 side cup O-ring 
-12 zinc plated bolts 
-Gasket
-Speed sensor O-ring
-2 aluminium washer for plugs