Remove rear wheel drive unit.
Remove rear spring strut.
Swinging-arm bearing studs are secured with Loctite: heat to max. 120°C (248°F) to release.
Loosen floating bearing stud bolt.
Loosen fixed bearing stud bolt.
Remove floating bearing/fixed bearing stud bolts.
Remove swinging arm with gaiter.
Removing and installing taper roller bearing
Remove taper roller bearing with counter-support, BMW No. 00 8 572, and internal puller 21/2, BMW No. 00 8 571, with ring support.
Pull out outer race with internal puller 21/5, BMW No. 00 8 563.
To install the bearing, heat the swinging arm to 80°C (176°F).
Drive in bearing with drift, BMW No. 33 5 700.
Removing and installing flexible gaiter
Pull flexible gaiter with circlip out of swinging arm.
When installing, coat inner and outer sealing lips (arrows) with Staburags NBU 30 PTM.
Caution! Drive shaft clearance when suspension is compressed: gap of retaining ring must be in the horizontal plane.