21 52 510 Removing and installing or replacing clutch slave cylinder

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2008 BMW 335xi, 2008 BMW 335i, 2008 BMW 328xi, 2008 BMW 328i, and 2008 BMW 323i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

13 3 010

NOTE: After completing work bleed Clutch Hydraulic System .

IMPORTANT: From 08.06 a Plastic Clutch Slave Cylinder is installed in the E8X, E9X.

Important notes on installation are described in this work step.

Seal supply hose to clutch master cylinder with special tool 13 3 010.

NOTE: Illustration shows E46.

Fig 1: Using Special Tool (13 3 010) To Seal Supply Hose To Clutch Master Cylinder

G04725964

Courtesy of BMW OF NORTH AMERICA, INC.

Remove transmission underbody protection if necessary.

Release union screw (1) on hydraulic line.

Release nut (2) and remove hydraulic line (3) with bracket.

Installation:

For tightening torque refer to 21 52 1AZ in 21 52 CLUTCH OPERATION (HYDRAULIC) .

Fig 2: Identifying Hydraulic Line Union Screw, Nut And Bracket

G04725965

Courtesy of BMW OF NORTH AMERICA, INC.

Release nut and remove clutch slave cylinder.

Installation:

For tightening torque refer to 21 52 5AZ in 21 52 CLUTCH OPERATION (HYDRAULIC) .

Fig 3: Identifying Clutch Slave Cylinder Mounting Nut

G04725966

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Clean thrust member (1) and contact face on release lever (2).

Lightly grease thrust member (1) on contact face (3).

Grease, refer to BMW Service Operating Fluids .

Fig 4: Identifying Clutch Thrust Member, Release Lever And Contact Face

G04725967

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Spacer between fuel line and pressure hose of clutch slave cylinder must be correctly fitted.

Fig 5: Identifying Spacer Between Fuel Line And Clutch Slave Cylinder

G04725968

Courtesy of BMW OF NORTH AMERICA, INC.