Remove rear silencer.
Disengage fuel tank and pull to the rear.
Disconnect the oxygen-sensor plug and remove the cable holders.
Caution! Do not pull the oxygen sensor cable.
Slacken the clamps holding the front silencer.
Remove front silencer.
If necessary, remove/install oxygen sensor (1).
Installation is the reverse of the removal procedure.
Secure the oxygen sensor with special socket wrench insert, BMW No. 11 7 020.
Removing silencer end cap and silencer guard
Remove end cap.
Remove fasteners securing silencer bracket.
Remove silencer guard from silencer.
Installing silencer end cap and silencer guard
Push silencer guard onto silencer.
Install end cap and secure with oiled serrated-head screws.
Slide the silencer guard against the end cap and tighten the fasteners of the silencer bracket.
Tightening torque:
- Clamp, manifold to front silencer (apply Optimoly TA to clamp seat) — 45 Nm
- Oxygen sensor (grease with Optimoly TA) — 45 Nm
- Front silencer to main-stand link — 20 Nm
- Mounting bracket to silencer (threads oiled) — 15 Nm
- Silencer to rear frame — 35 Nm
- Guard to silencer (threads oiled) — 8 Nm