21 52 510 Removing and installing or replacing clutch slave cylinder

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 528xi, 2010 BMW 528i, 2009 BMW 528xi, 2009 BMW 528i, and 2008 BMW 528xi. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

13 3 010 . See FUEL SYSTEM - SPECIAL TOOLS .

NOTE: After completing work bleed clutch hydraulic system . See 21 00 006 Bleeding Clutch Hydraulic System .

Fig 1: Identifying Special Tool (13 3 010)

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

NOTE: Illustration shows E46.

Fig 2: Identifying Union Screw On Hydraulic Line

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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:

Tightening torque 21 52 1AZ . See CLUTCH - TIGHTENING TORQUES .

NOTE: Illustration similar.
Version with throttle valve, tightening torque 21 52 12AZ . See CLUTCH - TIGHTENING TORQUES .

Release nut and remove clutch slave cylinder.

Installation:

Tightening torque 21 52 5AZ . See CLUTCH - TIGHTENING TORQUES .

IMPORTANT: N47 with H-transmission only
Clutch slave cylinder must not rest at the side on the transmission.
Failure to comply with this instruction may result in leaks at the clutch slave cylinder.

Fig 3: Locating Clutch Slave Cylinder 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).

Fig 4: Identifying Thrust Member And Contact Face On Release Lever

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

Fig 5: Identifying Spacer Between Fuel Line

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