Installing the clutch master cylinder partially
WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2022 BMW M340i xDrive, 2022 BMW M340i, 2022 BMW 330i xDrive, 2022 BMW 330i, and 2022 BMW 330e xDrive. However, it is still accessible from the selected car via links, so may be relevant.
- Install the clutch master cylinder (2).
- Replace bolts (1).
Parts: bolt
- Insert the bolts (1) and turn clockwise by 90°.
The lugs (arrows) must lock in place in the groove.
- Insert clutch master cylinder (3) into clutch pedal (2).
- Replace bolts (1).
Parts: bolt
- Insert the bolts (1) and turn clockwise by 90°.
The lug (arrow) must lock in place in the groove.
- Connect the supply hose (1) on the clutch master cylinder (2).
- Connect the hydraulic line (2) on the clutch master cylinder (3).
The clamp (1) must engage audibly.
- Insert the supply hose (2) on the expansion tank (1).
Connect the bleeder unit for the brake fluid
- 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
Use only BMW-approved brake fluids.NOTE: RISK OF 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 reservoir and turn on.
Observe the operating instructions of the corresponding equipment manufacturer.
- Do not exceed the tire pressure of
2 bar.
Removing rear underbody protection
- Version A:
Remove screws (arrows).
Feed out the rear underbody protection (1).
- Version B:
Remove screws (arrows).
Feed out and remove the rear underbody protection (1).
Venting clutch hydraulic system
- Remove the dust cap from the bleed valve (1).
- Connect the vent hose to the bleed valve (1).
- Open the bleed valve (1) and rinse until clear, bubble-free brake fluid flows out.
- Close bleed valve (1).
Installing underbody protection at rear
- Version A:
Feed in rear underbody protection (1) and install.
Tighten screws (arrows).
TIGHTENING TORQUE SPECIFICATIONUnderbody protection Hexagon screw Tightening torque 3 Nm - Version B:
Feed in rear underbody protection (1) and install.
Tighten screws (arrows).
TIGHTENING TORQUE SPECIFICATIONUnderbody protection Hexagon screw Tightening torque 3 Nm Disconnecting the bleeder unit for the brake fluid
NOTE: RISK OF DAMAGE
Paint damage .
Mechanical or chemical action may lead to paint damage .- Cover up working area with specified covering material only.
- Switch off bleeder unit (1) and remove it from the brake fluid expansion tank.
- Check the brake fluid level and, if necessary, adjust it to the maximum mark.
- Check the seal (1) on the sealing cap for damage and replace If necessary.
- Mount the sealing cap on the brake fluid expansion tank.