54 37 040 Removing and installing or replacing roofliner for roof shell in middle

Special tools required: 

• 00 4 430
• 51 0 310
• 54 0 230

Installation: 

• Microencapsulated screws (Loctite) must be replaced and may not  be reused
• Screw connection must be completed within 20 min. (start of curing)
• Microencapsulated screws must not  be retightened
• Thread of nut must be cleaned beforehand in event of repeated use

Move soft top into service position .

Move soft top so that angle of hinges is not  ≤90°.

Support rear roof shell to convertible top cover with suitable auxiliary material.

Auxiliary material must lie over wide area and over entire length.

Rear roof shell is supported by auxiliary material on convertible top cover.

Fig 1: Identifying Soft Top Service Position

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Roof shells block each other.

Tie a safety knot into tensioning strap on left and right to prevent the tensioning strap from coiling up.

Fig 2: Tying Safety Knot Into Tensioning Strap On Left And Right To Prevent Tensioning Strap From Coiling Up

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Release left and right screws (1).

Tightening torque: see 14AZ in 54 37 POWER CONVERTIBLE TOP .

Fig 3: Identifying Screws

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Release Torx screw (1) of reversing lug or reversing bar for tensioning cable on left and right.

Tightening torque: see 15AZ in 54 37 POWER CONVERTIBLE TOP .

Fig 4: Release Torx Screw (1) Of Reversing Lug Or Reversing Bar For Tensioning Cable On Left And Right

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Release retainers (2) with screwdriver and pull roof liner (1) off roof shell.

Installation: 

Retainers (2) must not be damaged and must be pre-installed.

Fig 5: Releasing Retainers With Screwdriver

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Release Torx screw (1) of reversing lugs for tensioning cable on left and right of roof shell at rear.

Tightening torque: see 15AZ in 54 37 POWER CONVERTIBLE TOP .

Fig 6: Release Torx Screw Of Reversing Lugs

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Release Torx screw (1) for fastening tensioning cable on left and right of convertible top frame.

Tightening torque: see 16AZ in 54 37 POWER CONVERTIBLE TOP .

Fig 7: Identifying Torx Screw For Fastening Tensioning Cable

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Using special tool 00 4 430, release Torx screw from tensioning cable mounting on main bearing.

Tightening torque: see 16AZ in 54 37 POWER CONVERTIBLE TOP .

Fig 8: Identifying Special Tool (00 4 430)

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Detach rubber protective sleeve (1) from spring on tensioning strap (2).

Fig 9: Detaching Rubber Protective Sleeve From Spring On Tensioning Strap

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Disengage spring (1) from tensioning strap eyelet (2).

Fig 10: Disengaging Spring From Tensioning Strap Eyelet

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Feed tensioning cable (1) out of reversing lug (2).

Fig 11: Identifying Tensioning Cable And Reversing Lug

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Release water valve (1).

Fig 12: Identifying Water Valve

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Feed out tensioning strap (1) from holder (2) for water valve and reversing lug  .

Fig 13: Identifying Tensioning Strap And Holder

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Mark tensioning strap on one side before retainer.

Open retainer (1).

Replacement only: 

Roof shell in middle in "closed" position, convertible top compartment lid open.

Feed tensioning strap into reversing lug and pull until roofliner contacts seal.

Turn tensioning strap over into a loop and crimp retainer (1).

Fig 14: Identifying Retainer

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• Edges (2) must be free  of sharp corners and burrs. Deburr if necessary.
• Make sure tensioning strap is correctly laid. Do not  feed tensioning strap through plastic guide (1).
  Fig 15: Identifying Plastic Guide

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Installation: 

Replace faulty retainer.

Insert tensioning strap (1) with marking in positioner (2) of special tool 54 0 230.

If necessary, adjust measured length (see above).

Fig 16: Inserting Tensioning Strap With Marking In Positioner Of Special Tool

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Insert new retainer (1) in special tool 54 0 230 and crimp.

Fig 17: Inserting Retainer In Special Tool

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Feed tensioning cable (1) out of guide (2).

Fig 18: Identifying Tensioning Cable And Guide

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Release Torx screws (1) for C-pillar flap.

Tightening torque: see 21AZ in 54 37 POWER CONVERTIBLE TOP .

Fig 19: Identifying Torx Screws For C-Pillar Flap

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Unclip roof liner at front with special tool 51 0 310.

Installation: 

If necessary, replace faulty clips.

Fig 20: Identifying Front Roof Liner And Special Tool

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Unclip roof liner at rear with special tool 51 0 310.

Installation: 

If necessary, replace faulty clips.

Fig 21: Identifying Rear Roof Liner And Special Tool

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Pull tensioning strap completely out of automatic reel.

Tie a safety knot into tensioning strap to prevent the tensioning strap from coiling up.

Unscrew nuts (1).

Tightening torque: see 18AZ in 54 37 POWER CONVERTIBLE TOP .

Installation: 

Replace compression nuts.

Fig 22: Tying Safety Knot Into Tensioning Strap To Prevent Tensioning Strap From Coiling Up

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Remove automatic reel (2).