31 12 138 Replacing rubber mounts on both tension struts

WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

31 5 271
31 5 272
31 5 273

FRONT AXLE - SPECIAL TOOLS

33 4 450

REAR AXLE - SPECIAL TOOLS

IMPORTANT: For driving dynamic reasons the rubber mounts of both tension struts must always be replaced!
Because the tension strut is made of aluminum, the rubber mount may only be changed once!
Marking of rubber mount replacement must be made with a center punch in area (A)!
Tension struts which already have a punch mark in area (A) must be replaced! Changing the rubber mount again is prohibited!

Fig 1: Identifying Punch Mark Area

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Necessary preliminary tasks:

Check ball joints of tension struts while installed for damage, replace tension struts if necessary.
Remove both tension struts .

NOTE: Special tool 31 5 271 serves to remove and install the rubber mount.

AUS Removal

EIN Installation

Fig 2: Identifying Special Tool (31 5 271)

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IMPORTANT: Risk of damage!
Special tool 31 5 271 must be exactly flush with rubber mount bushing.

Press rubber mount with special tools 31 5 271 and 31 5 272 out of tension strut.

Fig 3: Pressing Rubber Mount With Special Tools (31 5 271 And 31 5 272) Out Of Tension Strut

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Mount take-up 31 5 273 on special tool 33 4 450 .

Install rubber mount (1) in special tool and pull together.

Fig 4: Identifying Rubber Mount In Special Tool

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IMPORTANT: Align rubber mount as pictured by way of slot to arrow marking (P). Deviation must not exceed ± 5°.
A = 30° ± 5°

NOTE: Keep rubber mount and bushing in tension strut clean and free from grease.

Fig 5: Aligning Rubber Mount

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Draw in rubber mount (1) with special tools 31 5 271 and 31 5 272 until special tool 31 5 273 rests on tension strut.

Remove special tools 33 4 450 and 31 5 273 .

Install rubber mount (1) as far as it will go.

Fig 6: Installing Rubber Mount With Special Tool

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Installation:

Protrusion (A) equally large.

Fig 7: Identifying Protrusion Equally Large Position

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IMPORTANT: Mark replacement of tension strut rubber mounts by means of a punch mark in area (A).

Fig 8: Identifying Punch Mark Area

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