BMW 5251 Service Manual page 733

Rear
suspension/
4
With an assistant applying brakes, break free and remove
staked collar nut (arrow).
-
Remove brake caliper and brake disc. Hang bralte caliper
aside with stiff wire. Do not disconnect brake fluid hose. See
340 Brakes.
-
Disconnect parking brake cable from brake shoe expander.
See 340 Brakes.
Remove ABS sensor mounting fastener (arrow) and sensor.
Remove outer swing arm nut (arrow) and bolt.