Flushing and bleeding the rear axle brake circuit

NOTE: TECHNICAL INFORMATION
Always use only BMW-approved brake fluids.
For additional information see: "Fluid Capacities" tab for the selected vehicle.

Preliminary work

Refer to CONNECTING THE BLEEDER UNIT FOR THE BRAKE FLUID .

NOTE: Description is for right component only. The procedure on the left side is identical.

Start the flushing process from rear right .
Connect the vent hose with the collecting vessel to the bleed valve (1) on rear right brake caliper.
Open the bleed valve (1) and purge it until clear, bubble-free brake fluid emerges.
Close the bleed valve (1).

TIGHTENING TORQUE SPECIFICATIONS

Bleed valve of the rear brake caliper, made of aluminum and not painted
Bleed valve	tightening torque	10 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Carry out the flushing process on the rear left wheel brake in the same way.