34 00 050 Bleeding Brake System With DSC: Notes
WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Read and comply with General Information . See 34 00 ... GENERAL INFORMATION .
- Remove air duct from microfilter on left . See 31 MICROFILTER .
Observe safety instructions on raising the vehicle . See 00 ... ... LIFTING VEHICLE WITH A LIFTING PLATFORM .
Observe filling and bleeding instructions when replacing or repairing:
- Brake master cylinder
- Hydraulic unit
- Components and connecting lines which are fitted between these assemblies.
- Precharging pump
After work has been carried out on the precharging pump, only the front-axle brake circuit has to be bled. Before flushing the brake system, activate the precharging pump once with the Diagnosis and Information System (DIS) (bleeder unit connected with max. 2 bar filling pressure).
- Connect BMW Diagnosis and Information System (DIS).
- Call up service function for bleeding DSC hydraulics.
- Connect bleeder unit to expansion tank and switch on.
NOTE:
Check relevant Operating Instructions for each device.
Charging pressure should not exceed 2 bar.
Charging pressure should not exceed 2 bar.