BMW 1999-2005 M3 Service Manual page 697

Brakes
5 of 9
http://ebahn.bentleypublishers.com/BMW/3/E46/Repair%20Manuals/3...
caliper piston will have to be
pressed back into caliper before
caliper can be removed.
CAUTION!
Pressing caliper piston in may cause
brake fluid reservoir to overflow. To
prevent this, use a clean syringe to
first remove some fluid from reservoir.
Open caliper bleeder screw only
when applying force to the piston.
Do not allow air to be drawn in
through bleeder screw. Catch
expelled fluid in appropriate
container.
Do not let brake caliper hang from
brake hose. Suspend it from
chassis using stiff wire.
Inspect brake caliper for signs of
leakage. Check that caliper piston
slides smoothly into caliper.
Replace caliper if any faults are
found.
Thoroughly clean all contact points
on caliper and brake pad carrier.
Clean guide bolts and make sure
they slide freely.
Do not lubricate guide bolts.
Bleed brake system if hydraulic line
to caliper has been removed or
replaced. See
Tightening torque
Caliper to brake
pad carrier
mounting bolts
Bleeding brakes.
30 Nm (22 ft-lb)
2/25/2009 10:34 PM