Flush the rear brake and air bleed (after part exchange)
WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Description is for right component only. The procedure on the left side is identical.
- Begin with the flushing at the right rear.
- Connect the vent hose with the collecting vessel to the bleed valve (1) on rear right brake caliper.
- Open the bleed valve (1) and purge it until clear, bubble-free brake fluid emerges.
- Close bleed valve.TIGHTENING TORQUE SPECIFICATIONS
Rear bleed valve Bleed valve tightening torque 10 Nm - Carry out the same procedure on the rear left wheel brake.