Caution: When installing, always use new micro-encapsulated nut.
- Tighten fastener securing leading link to the fork slider tube bridge, using socket wrench insert and adapter for socket-head screw, BMW No. 31 5 600.
Caution: Preinstall telescopic forks, make sure they are under no strain and tighten fasteners to specified torques.
- Insert left and right fixed fork tubes (2) into fork bridge (1).
- Compress the telescopic fork.
Note: If the telescopic fork was disassembled, fill each leg with specified quantity of oil.
- Capacity of each fixed fork tube — 0.47 +/-0.01 (0.827 +/-0.018 Imp. pint; 0.496 +/-0.011 US quarts)
- Telescopic fork oil grade — BMW telescopic fork oil
Tightening torque:
- Oil drain plug — 12 Nm
- From this point on, installation is the reverse of the removal procedure: pay particular attention to the following.
Caution: When installing holder for brake line, use new screws or clean threads and coat with Loctite 243.
- Tighten screws securing holders for brake lines.
- Check that the system moves freely by com-pressing/extending the suspension in the straight-ahead position and with the steering turned to the full lock positions.
Caution: The quick-release axle must line up correctly with the locating bores and install easily, requiring no more than a slight turn back and forth.
- Check/adjust ABS sensor gap.
See Group 46.
- ABS sensor gap, front — 0.45...0.55 mm (0.018...0.022 in)
Tightening torques:
- Leading link to fork bridge (use new nut or clean thread + Loctite 2701) — 130 Nm
- Steering damper to leading link (clean thread, Loctite 243 or use new screw) — 21 Nm
- Steering damper to fork bridge (clean thread, Loctite 243 or use new screw) — 21 Nm
- Retaining plate for brake line to sliding tube (clean thread + Loctite 243) — 4 Nm
- Fixed tube to fork bridge — 45 Nm
- Brake distributor to holder/sliding tube, right — 9 Nm
- Handlebar to fork bridge — 21 Nm