34 00 050 Bleeding brake system with DSC: Notes

WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. 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.

Unclip retaining tabs (1).

Pull cover (3) out of guide (2) and remove.

Fig 1: Identifying Retaining Tabs, Cover And Guide

Courtesy of BMW OF NORTH AMERICA, INC.

Connect DIS.

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 2: Connecting Brake Fluid Changer To Expansion Tank

Courtesy of BMW OF NORTH AMERICA, INC.