Remove Roof Outer Skin

NOTE: Perform the steps on the left and right side.

Release the rivets (1) and remove the ground strap (2).
Remove all 4 ground straps.

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Mark and perform the separating cut (1) in accordance with the schematic diagram.
Disconnect the roof outer skin from the slide/tilt sunroof frame below it.
Separate the outer panel in the area of the embossing (2) with a belt sander.

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Mark and perform the separating cut (1) in accordance with the dimension. Dimension a=135 mm
Disconnect roof outer skin only.

Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION:
Vapors and gases when unsticking bonded connections.
Hazardous to health!
- Extract vapors and gases.
- Ensure adequate ventilation.
- Conduct all work in appropriate personal protective equipment only.
Courtesy of BMW OF NORTH AMERICA, INC.
NOTE:
RISK OF DAMAGE
CFRP body part damage.
The influence of excessive heat may lead to CFRP body part damage.
- Avoid the application of heat on CFRP body parts. Do not exceed the maximum permitted temperature of 120°C for a period of 5 minutes.
Heat the bonded connection (1) with a butane gas flame (2) (approximately 1 - 2 min) or a hot air blower (setting 500°C - 600°C, approximately 4 min). Guide the flame or the hot air blower so that the convertible top bow below it will not be heated.
Heat the bonded connection (1) until the adhesive is dissolved and remove the front section of the roof outer skin (3). Remove sound insulation (4) (source foam strip).
Attach the aluminum tape (1) to the bonded connection (2).
Attach the aluminum tape (1) so that a space (3) to the convertible roof brace is created.

Courtesy of BMW OF NORTH AMERICA, INC.
NOTE:
RISK OF DAMAGE
CFRP body part damage.
The influence of excessive heat may lead to CFRP body part damage.
- Avoid the application of heat on CFRP body parts. Do not exceed the maximum permitted temperature of 120°C for a period of 5 minutes.
Courtesy of BMW OF NORTH AMERICA, INC.
Heat the bonded connection (1) with a butane gas flame (2) (approximately 1 - 2 minutes) or a hot air blower (setting 500°C - 600°C, approximately 4 minutes). Guide the flame or hot air blower so that the convertible top bow below it will not be heated.
Heat the bonded connection (1) until the adhesive is dissolved and remove the front section of the roof outer skin (3).
Release the bonded connection (1) beginning in the area of the cut section (2) in the direction of the arrow one section at a time.
Heat the bonded connection (1) with a hot air blower until the adhesive is dissolved.
Carefully drive in a plastic or wooden wedge at the heated section. The wedge creates tension between the roof outer skin and the body.

Attention: Do not exert force to drive in the wedge. If you cannot drive the wedge in, continue to heat a large area of the roof outer skin at the adhesive flange (maximum 180°C). Perform the operation with a second person.

Courtesy of BMW OF NORTH AMERICA, INC.
Heat the next section until the roof outer skin has detached from the body.
Readjust the plastic wedge and repeat the procedure until the roof outer skin is completely detached.
Take off roof outer skin.
Remove sound insulation (3) (source foam strip).

NOTE: Perform the steps on the left and right side.

Release rivets (1) and remove ground strap (2). Remove all 4 ground straps. Replace damaged ground straps.

Courtesy of BMW OF NORTH AMERICA, INC.
Mark severance cut (1) according to schematic diagram and disconnect. Disconnect roof outer skin and the slide/tilt sunroof frame below it.
Disconnect outer panel with belt sander in the area of stiffening embossing (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Mark severance cut (1) in accordance with dimension and disconnect. Dimension (A) = 135 mm. Disconnect roof outer skin only.

Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION:
Vapors and gases when unsticking bonded connections.
Hazardous to health!
- Extract vapors and gases.
- Ensure adequate ventilation.
- Conduct all work in appropriate personal protective equipment only.
Courtesy of BMW OF NORTH AMERICA, INC.
NOTE:
RISK OF DAMAGE
CFRP body part damage.
The influence of excessive heat may lead to CFRP body part damage.
- Avoid the application of heat on CFRP body parts. Do not exceed the maximum permitted temperature of 120°C for a period of 5 minutes.
Heat the bonded connection (1) with a butane gas flame (2) (approximately 1 - 2 minutes) or a hot air blower (setting 500°C - 600°C, approximately 4 minutes). Guide the flame or hot air blower so that the convertible top bow below it will not be heated.
Heat the bonded connection (1) until the adhesive is dissolved and remove the front section of the roof outer skin (3).
Remove sound insulation (4) (source foam strip).
Attach the aluminum adhesion (1) to the bonded connection (2).
Attach the aluminum adhesion (1) so that a space (3) to the convertible top bow is created.

Courtesy of BMW OF NORTH AMERICA, INC.
NOTE:
RISK OF DAMAGE
CFRP body part damage.
The influence of excessive heat may lead to CFRP body part damage.
- Avoid the application of heat on CFRP body parts. Do not exceed the maximum permitted temperature of 120°C for a period of 5 minutes.
Courtesy of BMW OF NORTH AMERICA, INC.
Heat the bonded connection (1) with a butane gas flame (2) (approximately 1 - 2 minutes) or a hot air blower (setting 500°C - 600°C, approximately 4 minutes). Guide the flame or hot air blower so that the convertible top bow below it will not be heated.
Heat the bonded connection (1) until the adhesive is dissolved and remove the front section of the roof outer skin (3).
Release the bonded connection (1) beginning in the area of the cut section (2) in the direction of the arrow one section at a time.
Heat bonded connection (1) with hot air blower until adhesive is loosened.
Carefully drive in plastic or wooden wedge at heated section. The wedge creates tension between roof outer skin and body.

Attention: Do not exert force to drive in wedge. If the wedge cannot be driven in, continue heating roof outer skin on adhesive flange over a large area (max. 180°C). Carry out operation with a 2nd person helping.

Courtesy of BMW OF NORTH AMERICA, INC.
Heat next section until roof outer skin has detached from body. Reapply plastic wedge. Repeat procedure until roof outer skin is completely detached. Take off roof outer skin.
Remove sound insulation (3) (source foam strip).