54 37 105 Removing and installing/replacing complete front roof shell fastener pack

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Necessary preliminary tasks:

Remove Roof shell, front
Remove roof lining

Installation:

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

Move convertible top into service position .

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

IMPORTANT: Risk of damage! Pressure in hydraulic system drops and convertible top loses its position.

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

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

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

Fig 1: Moving Convertible Top Into Service Position

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Roof shells block each other.

Slide open retaining clip (1) and unclip ball head.

Fig 2: Sliding Open Retaining Clip

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NOTE: Before removing fasteners, mark position of screws to ensure correct alignment when installing.

Release screws (1).

Tightening torque: see 8AZ in 54 37 POWER CONVERTIBLE TOP .

Fig 3: Identifying Screws

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NOTE: Before removing fasteners, mark position of screws to ensure correct alignment when installing.

Release screws (1).

Tightening torque: see 7AZ in 54 37 POWER CONVERTIBLE TOP .

Fig 4: Identifying Screws

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Do not adjust barrel screws (1) for height adjustment.

When replacing roof shell, measure height of barrel screws and carry over to new roof shell.

Fig 5: Identifying Barrel Screws

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NOTE: Before removing fasteners, mark position of nuts to ensure correct alignment when installing.

Unscrew nuts (1).

Tightening torque: see 7AZ in 54 37 POWER CONVERTIBLE TOP .

Installation:

Replace nuts.

Remove motor carrier with drive unit.

Fig 6: Identifying Motor Carrier Nuts

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Installation:

Guide cylinder must run into counter-support without noises and tension.

Check gap (A) and adjust if necessary.

(A) = 19 mm

Fig 7: Measuring Middle Roof Shell Fastener To Front Roof Shell Fastener And Necessary Adjust Gap

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

The scope of work for removing and installing the front roof shell fastener pack ends here.

Check gap dimensions and if necessary adjust. See BODY GAP DIMENSIONS .

Replacement only:

Align new motor carrier with drive unit centrally to threaded pin.

Tighten down new nuts (1).

Tightening torque: see 7AZ in 54 37 POWER CONVERTIBLE TOP .

Fig 8: Identifying Motor Carrier Nuts

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Screw on new fasteners loosely.

Fastener should still be able to be slid in order to center itself.

Install roof shell without roofliner.

Close convertible top.

Installation:

Guide cylinder must run into counter-support without noises and tension.

Check gap (A) and adjust if necessary.

(A) = 19 mm

Fig 9: Measuring Middle Roof Shell Fastener To Front Roof Shell Fastener And Necessary Adjust Gap

Courtesy of BMW OF NORTH AMERICA, INC.

Fasteners glide into place.

Adjust gap (A) = approx. 19 mm.

Tighten down screws.

Tightening torque: see 7AZ in 54 37 POWER CONVERTIBLE TOP .

Fig 10: Identifying Screws

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Installation:

Strikers must be completely closed.

Fig 11: Identifying Striker Correct And Incorrect Position

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NOTE: Check gap dimensions and if necessary adjust.
See BODY GAP DIMENSIONS .