34 00 050 Bleeding brake system with DSC3 from 09/97, 750i/iL to 09/98: Notes
NOTE:
- Note "General Information", refer to 34 00... GENERAL DATA
- Observe following filling and bleeding specification when exchanging or repairing:
- tandem-brake master cylinder hydraulic control unit DSC3
- and components or connecting lines installed between these units.
- When carrying out any other work on the brake system (e.g. replacing brake calipers), follow the specification "Bleeding Brake System with ABS/ASC+T", refer to 34 00 048 BLEEDING BRAKE SYSTEM WITH ABS/ASC+T
- After working on the pre-boost pump, it is only necessary to bleed the front-axle circuit. Here, before flushing the brake system, activate the pre-boost pump with the Diagnosis and Information System (DIS) (bleeding unit connected with max. 2 bar filling pressure).
- After completing work, a final inspection must be carried out with the Diagnosis and Information System (DIS) under the menu item "Service function".
Connect BMW Diagnosis and Information System (DIS). Call up service function Bleeding ABS/DSC3 Hydraulics. Connect bleeding unit to expansion tank and switch on.
NOTE:
- Check relevant Operating Instructions for each device.
- Charging pressure must not exceed 2 bar.