Installing removed SAC clutch with new clutch plate

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Installation:

N52

Screws must be replaced.

Jointing torque and angle of rotation must be observed without fail.

IMPORTANT: Before installing an SAC clutch which has been in service with a new clutch plate: always reset adjustment ring in new position.

Set SAC clutch down on a clean surface.

Install special tool 21 2 180 in SAC clutch (1).

Fig 1: Installing Special Tool (21 2 180) On SAC Clutch

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Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Locking hooks (1) of special tool 21 2 180 must engage in openings in SAC clutch.

Fig 2: Locking Hooks Of Special Tool (21 2 180)

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NOTE: Insert special tool 21 2 170 only in area of bores for dowel pins.

Fig 3: Locating Bores Areas For Dowel Pins

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Fit special tool 21 2 170 and tighten down at knurled screw (1).

Fig 4: Tightening Knurled Screw Using Special Tool (21 2 170)

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Courtesy of BMW OF NORTH AMERICA, INC.

Screw in spindle (1) until adjustment ring of SAC clutch (2) can be turned with special tool 21 2 180 at handles (3).

Fig 5: Turning Spindle

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Courtesy of BMW OF NORTH AMERICA, INC.

Press special tool 21 2 180 together at handles (3) as far as it will go and grip firmly.

At same time tighten down knurled screws (2).

Adjustment ring of SAC clutch is now secured in new position.

Fig 6: Pressing Special Tools (21 2 180)

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Screw in spindle (1) until diaphragm spring (2) is tensioned up to stop.

Fig 7: Turning Spindle

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Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Handle clutch plate with care, do not touch surfaces of friction linings.
Install clutch plate in correct position.
Pay attention to text "engine end"/"transmission side".

Installation:

N52

Screws must be replaced.

Jointing torque and angle of rotation must be observed without fail.

Centre clutch plate (1) with special tool.

Special tool Transmission

21 2 141 S6S 420G; S6S 560G; S5D 390Z

21 2 142 S5D 200G; S5D 250G; S5D 260Z; S5D 310Z

21 2 201 GS6-37BZ

21 2 230 GS6-53DZ

21 2 250 GS6-17BG

Fig 8: Centering Clutch Plate Using Special Tools

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Courtesy of BMW OF NORTH AMERICA, INC.

Fit SAC clutch (1) on flywheel.

Pay attention to dowel pins (2).

SAC clutch (1) must be secured by way of dowel pins (2).

Install retaining screws of SAC clutch and tighten down.

Tightening torque: 21 21 1AZ .

Fig 9: Fitting SAC Clutch On Flywheel

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Release spindle (1) until tension is completely removed from diaphragm spring (2).

Fig 10: Releasing Spindle

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Release knurled screw (1) and remove special tool 21 2 170 from SAC clutch.

Fig 11: Releasing Knurled Screw

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Release knurled screws (2) and remove special tool 21 2 180 from SAC clutch.

Fig 12: Releasing Knurled Screw

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Courtesy of BMW OF NORTH AMERICA, INC.

Withdraw special tool from clutch plate with aid of accompanying screw (1).

Fig 13: Removing Special Tools From Clutch Plate

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Courtesy of BMW OF NORTH AMERICA, INC.