Warning: All adjustments must be performed by an authorised BMW dealer.
Checking play at piston rod
- Use a feeler gauge (arrow) to check the gap between the brake-light switch plate and adjusting screw (1).
- Feeler gauge thickness — 0.5 mm (0.02 in)
Adjusting play at piston rod
Warning: First adjust the brake light switch for the foot brake.
- Remove right footrest plate.
- Unscrew locknut (2) at piston rod (3).
- Insert a feeler gauge between the adjusting screw and the brake light switch plate.
- Turn piston rod clockwise until play is perceptible.
- Carefully back off the piston rod until all play is taken up.
- Tighten locknut.
- Check and, if necessary, re-adjust play.
- Feeler gauge thickness — 0.5 mm (0.02 in)
Tightening torques:
- Locknut — 9 Nm
- Footrest plate to frame — 21 Nm