31 60 530 Replacing an output shaft gaiter (on transmission side) (output shaft removed)
WARNING: This page is about a different car, the 2018 BMW 330i xDrive and 2017 BMW 330i xDrive. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Procedure is described in the service information "BOTH OUTPUT SHAFT GAITERS .".