The Bosch Drive Unit Service Kit Repair BDU2XX is a spare parts set for repairing Active Line and Performance Line drives from model year 2014 onwards. It can be used to repair damage to the right-hand bottom bracket.

Assembly

In the event of incorrect or improper replacement, grease or dirt particles in particular can get into the inside of the drive, which in turn can lead to a short circuit or failure of the freewheels or a blockage of the drive. This can also result in the drive leaking.