21 52 510 Removing and installing/replacing clutch slave cylinder (plastic)

WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: After completing work bleed CLUTCH HYDRAULIC SYSTEM .

Seal hydraulic line to clutch slave cylinder with special tool 13 3 010 .

Fig 1: Sealing Hydraulic Line To Clutch Slave Cylinder Using Special Tools (13 3 010)

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Release nuts and remove clutch slave cylinder (1) with holder (2).

Installation:

Replace self-locking nuts.

Tightening torque 21 52 5AZ .

Fig 2: Identifying Clutch Slave Cylinder Nuts

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Unlock spring retainer (1).

Disconnect hydraulic line (2).

Fig 3: Identifying Hydraulic Line And Spring Retainer

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Press cylinder together by hand.

Connect hydraulic line with cylinder pressed.

Fig 4: Connecting Hydraulic Line With Cylinder

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Remove special tool 13 3 010 .

Hold cylinder piston vertically downwards.

Press piston 5 times into cylinder.

Fig 5: Holding Cylinder Piston

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Press in piston until it engages.

Install clutch slave cylinder.

Bleed CLUTCH HYDRAULICS .

Installation:

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

Lightly grease thrust member (1) on contact face (2).

See CLUTCH - OPERATING FLUIDS .

Fig 6: Pressing Piston

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