Basic Bleeding Procedures
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 BMW M5, 2003 BMW 540i, 2003 BMW 530i, 2003 BMW 525i, and 2002 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Use only clean brake fluid. Ensure no dirt or other foreign matter contaminates brake fluid. DO NOT mix different brands of brake fluid, as they may not be compatible. DO NOT spill brake fluid on car, as it will damage paint. If brake fluid contacts paint, immediately flush with water.
CAUTION:
With fixed caliper, bleed both sides of brake caliper, removing wheel if necessary.
- If using a bleeder device, refer to documentation. Attach to expansion tank. Charging pressure must not exceed 29 psi (2 bar).
- Reservoir on master cylinder must be full at start of bleeding procedure. Connect bleeder hose with bottle to rear-right brake caliper. Open bleed valve and fully depress brake pedal at least 12 times. Brake fluid must emerge without bubbles.
- Apply steady pressure and close bleeder valve.
- Switch off bleeder unit and disconnect from expansion tank. Check brake fluid level. Close expansion tank. Take care of rubber gasket in lid.
- Repeat procedure on left-rear brake caliper, right-front brake caliper and left-front brake caliper.