Vehicles With Abs/ASC+T
WARNING: This page is about a different car, the 2004 BMW Z4 and 2003 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
Perform the following filling and bleeding procedure when exchanging or repairing tandem-brake master cylinder, hydraulic unit ABS/ASC+T and components, or connecting lines installed between these units.
When carrying out any other work on the brake system (e.g. replacing brake calipers), see BASIC BLEEDING PROCEDURES .
NOTE:
Bleeding unit is connected with maximum 29 psi (2 bar) filling pressure.
NOTE:
Check relevant operating instructions for each device.
- Connect bleeder hose with collecting tray to bleeder valve on right rear brake caliper. Open bleeder valve and purge until clear, bubble-free brake fluid emerges.
- Close bleeder valve. Follow same procedure on wheel brakes at left rear, right front and left front, in that order.
- Switch off bleeder unit and disconnect from expansion tank.
- Check brake fluid level.
- Close expansion tank. Take care of rubber gasket in lid.