Connecting the bleeder unit for the brake fluid
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.
- To guarantee a correct vent of the brake system, the following procedure must be observed!
- Top up the brake fluid in the expansion tank to the lower edge of the thread (1) with new brake fluid.
- Vent the hose of the bleeder unit before connecting.
NOTE:
TECHNICAL INFORMATION
Always use only BMW-approved brake fluids.
For additional information see: "Fluid Capacities" tab for the selected vehicle.
Always use only BMW-approved brake fluids.
For additional information see: "Fluid Capacities" tab for the selected vehicle.
NOTE:
RISK OF DAMAGE
Paint damage.
Mechanical or chemical action may lead to paint damage.
Paint damage.
Mechanical or chemical action may lead to paint damage.
- Cover up working area with specified covering material only.
- Connect the bleeder unit (1) to the brake fluid expansion tank and turn it on.
Follow the operating instructions of the respective equipment manufacturer.
- Do not exceed the tire pressure of 2 bar.