21 52 510 Removing and installing or replacing clutch slave cylinder

WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2013 BMW 328xi, 2013 BMW 328i, 2012 BMW 328xi, 2012 BMW 328i, and 2011 BMW 328xi. 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 Regular or Plastic Slave Cylinder 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: Special Tool (13 3 010)

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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) .

NOTE: Illustration similar.

Version with throttle valve, for tightening torque refer to 21 52 12AZ in 21 52 CLUTCH OPERATION (HYDRAULIC) .

Fig 2: Screw, Nut And Hydraulic Line

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Release nut and remove clutch slave cylinder.

Installation:

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

Fig 3: Clutch Slave Cylinder Retaining Nut

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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: Thrust Member, Contact Face And Release Lever

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

Fig 5: Fuel Line And Pressure Hose Spacer

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