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Home >> BMW >> 2011 >> Z4 35is >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 27 (Clutch - Repair (N52)) >> 2152 Clutch Operation (Hydraulic) >> 21 52 510 Removing and installing/replacing clutch slave cylinder (plastic)

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

WARNING: This page is about a different variant/trim than selected.
NOTE: After completing work bleed CLUTCH HYDRAULIC SYSTEM .

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

Fig 1: Sealing Hydraulic Line To Clutch Slave Cylinder Using Special Tools (13 3 010)
G04725969Courtesy of BMW OF NORTH AMERICA, INC.

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
G04725970Courtesy of BMW OF NORTH AMERICA, INC.

Unlock spring retainer (1).

Disconnect hydraulic line (2).

Fig 3: Identifying Hydraulic Line And Spring Retainer
G04725971Courtesy of BMW OF NORTH AMERICA, INC.

Press cylinder together by hand.

Connect hydraulic line with cylinder pressed.

Fig 4: Pressing Cylinder
G04725972Courtesy of BMW OF NORTH AMERICA, INC.

Remove special tool 13 3 010 hose clip.

Hold cylinder piston vertically downwards.

Press piston 5 times into cylinder.

Fig 5: Holding Cylinder Piston
G04725973Courtesy of BMW OF NORTH AMERICA, INC.

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 GEAR SHIFT MECHANISM - OPERATING FLUIDS .

Fig 6: Pressing Piston
G04725974Courtesy of BMW OF NORTH AMERICA, INC.