2152510 Removing and installing/replacing clutch slave cylinder (plastic): Notes

WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2011 BMW 323i, 2010 BMW 335xi, and 2010 BMW 335i. 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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Courtesy 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 .

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 2: Identifying Clutch Slave Cylinder Nuts

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Courtesy of BMW OF NORTH AMERICA, INC.

Unlock spring retainer (1).

Disconnect hydraulic line (2).

Fig 3: Identifying Hydraulic Line And Spring Retainer

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Courtesy of BMW OF NORTH AMERICA, INC.

Press cylinder together by hand.

Connect hydraulic line with cylinder pressed.

Fig 4: Connecting Hydraulic Line With Cylinder

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Courtesy of BMW OF NORTH AMERICA, INC.

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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Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: All-wheel drive vehicles only

Installation:

Check pressure hose for traces of abrasion.

If no traces of abrasion by the propeller shaft can be detected on the pressure hose:

The pressure hose must be bent approx. 30 mm away from the propeller shaft.

If traces of abrasion by the propeller shaft can be detected on the pressure hose:

The pressure hose must be replaced.

After replacement, the clutch hydraulics must be BLED .

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).

Grease, refer to OPERATING FLUIDS .

Fig 6: Pressing Piston

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Courtesy of BMW OF NORTH AMERICA, INC.