11 23 010 Removing and installing or replacing vibration damper (M52TU / M54 / M56)

WARNING: This page is about a different car, the 2002 BMW Z3 and 2001 BMW Z3. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

For Special Tool identification, see SPECIAL TOOLS - Z3 .

Special Tools Required:

11 8 119
11 8 200
11 8 210

Necessary Preliminary Tasks:

Unscrew and remove splash guard.
Remove fan impeller with fan clutch and fan cowl. Refer to 11 52 020 REMOVING AND INSTALLING/REPLACING FAN CLUTCH (S52 / S54 / M52 / M52TU / M54 / M56) .
Remove A/C compressor drive belt. Refer to 11 28 050 REPLACING A/C COMPRESSOR DRIVE BELT (M52 / S52 / M52TU / M54 / M56) .
Remove alternator drive belt. Refer to 11 28 010 REPLACING ALTERNATOR DRIVE BELT (M52 / S52 / M52TU / M54 / M56)

Important!

Risk of damage.

Protect cooler against damage.

Version 1

Vibration damper and hub for vibration damper are two parts: Unscrew vibration damper bolts and take off vibration damper.

Fig 1: Identifying Vibration Damper Bolts

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Version 1

Vibration damper and hub for vibration damper are two parts:

Installation:

Align locating bore in vibration damper to dowel pin.

Install and tighten down screws.

Tightening torque, refer to 11 22 3AZ in VIBRATION DAMPER .

Fig 2: Aligning Locating Bore In Vibration Damper To Dowel Pin

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Version 2

Vibration damper and hub for vibration damper are one part: Screw special tool 11 8 190 to special tool 11 8 200.

Fig 3: Assembling Special Tool 11 8 190 To Special Tool 11 8 200

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Version 2

NOTE: Special tool 11 8 200 must snap into place in openings (1).

Fig 4: Identifying Openings On Vibration Damper

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Version 2

When releasing and tightening down central bolt, grip special tool 11 8 190 with assistance of a second person.

Version 2

Insert special tool 11 3 200 in openings on vibration damper and turn counterclockwise so that counter-supports snap into place on vibration damper.

Release central screw (1).

Fig 5: Identifying Central Screw Of Vibration Damper

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Version 2

Feed out special tools 11 8 190 / 11 8 200.

Remove central screw and washer.

Carefully detach vibration damper (1) by hand.

Fig 6: Identifying Vibration Damper

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Version 2

NOTE: If vibration damper cannot be detached by hand:

Insert special tool 11 8 200 in openings on vibration damper and turn clockwise so that counter-supports snap into place on vibration damper.

Fig 7: Inserting Special Tool 11 8 200 In Vibration Damper

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Version 2

Screw out spindle (1) on special tool 11 3 210 as far as possible.

Z3 only:

Screw in spindle (1) on special tool 11 8 210 approx. 15 mm and screw out again only after installation between special tool 11 8 200 and cooler.

Fig 8: Identifying Spindle On Special Tool 11 3 210

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Version 2

Important!

Risk of damage.

Protect cooler against damage.

Carefully install special tool 11 8 210.

Screw special tool 11 8 210 to special tool 11 8 200.

Detach vibration damper by turning spindle (1) on special tool 11 8 210.

Fig 9: Identifying Spindle On Special Tool 11 8 210

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Version 2

Installation:

Check featherkey (1) for damage and correct installation position.

Fig 10: Checking Featherkey For Damage

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Replace radial seal in lower timing case cover. Refer to 11 14 141 REPLACING RADIAL SEAL IN LOWER TIMING CASE COVER .

Version 2

Installation:

Align groove (1) in vibration damper to featherkey.

Fit vibration damper.

Fig 11: Aligning Groove In Vibration Damper To Featherkey

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Version 2

Installation:

Replace central screw (1).

Install central screw and washer.

Fig 12: Identifying Vibration Damper Central Screw

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Version 2

Installation:

Screw special tool 11 8 190 to special tool 11 8 200.

Fig 13: Assembling Special Tool 11 8 190 To Special Tool 11 8 200

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Version 2

Insert special tool 11 8 200 in openings on vibration damper and turn clockwise so that counter-supports snap into place on vibration damper.

Tighten down central screw (1).

Fig 14: Tightening Central Screw

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Tightening torque, refer to 11 23 2AZ in VIBRATION DAMPER .