21 21 000 Removing And Installing/Replacing Clutch (GS7S47BG SMG)

WARNING: This page is about a different car, the 2010 BMW M5, 2009 BMW M5, 2008 BMW M5, and 2007 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

21 2 300

IMPORTANT:

Clutches which have fallen apart during removal or installation must not be reinstalled.

Dual-mass flywheel and double-plate clutch are matched.

All markings must be observed.

Risk of damage to dual-mass flywheel.

Necessary preliminary tasks:

Remove TRANSMISSION .

IMPORTANT:

Remove double-plate clutch with special tool 21 2 300.

Insert special tool 21 2 300 in direction of arrow into clutch.

NOTE:

Special tool 21 2 300 is correctly fitted when the lock snaps into place.

Fig 1: Inserting Special Tool 21 2 300 Into Clutch

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Screw in bolts uniformly in 1/2 turns.

Adhere to sequence 1 to 9 when releasing bolts.

NOTE:

Illustration does not show special tool 21 2 300.

Fig 2: Clutch Bolts Tightening/Loosening Sequence

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IMPORTANT:

Double-plate clutch must not be disassembled or opened.

If the double-plate clutch is opened however, it must be replaced complete with pressure plate.

Check inspection line (3) on double-plate clutch.

Intermediate pressure plate (1) and pressure plate (2) are balanced in relation to each other and marked with an inspection line (3).

The clutch must be replaced if the marking (3) no longer matches up.

Fig 3: Identifying Inspection Line And Pressure Plate

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Clamp special tool 21 2 300 with handle in a vice.

Release lock (1) in direction of arrow.

Raise double-plate clutch (3) in direction of arrow.

Installation:

Install new double-plate clutch (3).

Retaining hooks (2) must be locked.

Fig 4: Releasing Lock And Double-Plate Clutch

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Installation:

When installing the clutch, ensure that springs (1) are exactly adjusted to fit in flywheel bores (2).

IMPORTANT:

Clutch must be installed without tension.

Fig 5: Identifying Springs And Flywheel Bores

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Install double-plate clutch with special tool 21 2 300.

Fig 6: Inserting Special Tool 21 2 300 Into Clutch

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Marking (1) on double-plate clutch.

Marking (2) on dual-mass flywheel.

Installation:

Both markings (1 and 2) must be offset by 180° (a tolerance of 10°-20° is possible) to each other.

Double-plate clutch and dual-mass flywheel are matched to each other.

Fig 7: Identifying Marking On Double-Plate Clutch And Dual-Mass Flywheel

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Insert all bolts.

Tighten down bolts uniformly in 1/2 turns.

Observe tightening sequence 1 to 9.

Tightening torque: 21 21 1AZ . See CLUTCH DISC AND DRIVE PLATE for specs.

NOTE:

Illustration does not show special tool.

Fig 8: Clutch Bolts Tightening/Loosening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Release retaining ring (1) with a suitable tool in direction of arrow.

Retaining ring (1) is only supplied with a new double-plate clutch.

Retaining ring (1) is no longer needed.

Fig 9: Identifying Retaining Ring

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Remove all special tools.

Add final details to vehicle.

Carry out diagnosis SMG / service function.