34 00 050 Bleeding brake system with DSC: Notes

WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: READ AND COMPLY WITH GENERAL INFORMATION.
When replacing or repairing, observe the filling and bleeding instructions for the following parts:

Tandem brake master cylinder
Hydraulic unit
Components and connecting lines which are fitted between these assemblies.

Connect bleeder unit with max. 2 bar filling pressure.

A second person is needed to help carry out this work.

Always use BMW-approved brake fluids, refer to BRAKES - OPERATING FLUIDS

IMPORTANT: Under certain circumstances it is not possible after the brake system is opened to bleed the brake system fully at the rear EMF brake calipers. If there is still residual air in the rear brake calipers after normal bleeding, it will be necessary to work through an additional bleeding procedure !

Connect BMW diagnosis system.

Select path: Service functions - Chassis/Suspension - Slip control systems - Bleeding procedure.

Connect brake fluid changer to expansion tank and switch on.

IMPORTANT: Check relevant Operating Instructions for each device.
Charging pressure should not exceed 2 bar.

Fig 1: Connecting Brake Fluid Changer To Expansion Tank

Courtesy of BMW OF NORTH AMERICA, INC.