54 37 070 Removing and installing/replacing roof shell at front

WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2013 BMW 328i, 2012 BMW 328i, 2011 BMW 328i, 2010 BMW 335i, and 2010 BMW 328i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove roofliner for roof shell at front

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 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: Identifying Convertible Top Service Position

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Roof shells block each other.

Unfasten plug connection (1) and disconnect.

Detach cable tie.

Installation:

Replace cable tie.

Fig 2: Identifying Plug Connection

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Release screws (1).

Remove shaper (2) from roof shell.

Fig 3: Identifying Screws And Shaper

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IMPORTANT: Tape off cover (1) of roof hinge bracket in marked area.
Risk of damage!

With a second person helping, secure roof shell at front against tilting.

Release screws (2).

Installation:

Replace microencapsulated screws.

Turn roof hinge bracket.

Fig 4: Identifying Cover Of Roof Hinge Bracket And Screws

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IMPORTANT: Lock barrel screws with a flat wrench without fail.

Mark screws (1) and release.

Tightening torque: see 4AZ in 54 37 POWER CONVERTIBLE TOP .

Remove roof shell with a second person helping.

Fig 5: Identifying Screws

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IMPORTANT: Do not adjust barrel screws.

Fig 6: Locating Barrel Screws

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NOTE: The scope of work for removing and installing the roof shell ends here.

Replacement only:

Remove locking mechanism

Fig 7: Identifying Locking Mechanism

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Remove seal (2) .

Release screws (1) and remove retaining strip (3) for seal.

Fig 8: Identifying Seal, Screws And Retaining Strip

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Drill out rivets (1) from guide element (2) on left and right.

Remove guide element (2).

Fig 9: Identifying Rivets And Guide Element

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Release screws (1).

Remove shaper (2) from roof shell.

Fig 10: Identifying Screws And Shaper

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Measure heights of all barrel screws with a depth gauge and note down.

Carry over adjustment to new roof shell.

Installation:

Insert barrel screws with Loctite.

Fig 11: Identifying Heights Of Barrel Screws

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Check gap dimensions for convertible top.