54 37 031 Replacing butyl at seal, roof shell center left or right (with open corners)

The following repair instructions apply to roof shells with open corners (1) only  .

For roof shells with closed corners, see REPLACING BUTYL AT SEAL, ROOF SHELL CENTRE LEFT OR RIGHT (WITH CLOSED CORNERS) .

Fig 1: Identifying Open Corners

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

• Screws with sealing compound must be replaced and must not  be reused
• Thread of nut must be cleaned beforehand

New parts required:

• Butyl rope Ø 4 mm 83 22 2 159 535
• Butyl rope Ø 7 mm 83 19 0 416 659
• Butyl flat tape 1.5 mm x 15 mm 83 19 0 153 321

Removing the seal: 

Move soft top into position shown in Fig 2.

Tape off seal, roof shell center, with adhesive tape.

Fig 2: Identifying Convertible Top Angle

Courtesy of BMW OF NORTH AMERICA, INC.

Move soft top into position shown in Fig 3.

Fig 3: Moving Soft Top Into Position

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) at rear left.

Fig 4: Identifying Screw At Rear Left

Courtesy of BMW OF NORTH AMERICA, INC.

Move soft top to assembly position .

Detach headliner (1) at side with fishbone 00 9 321.

Installation note: 

Retainers must not be damaged and must be pre-installed on headliner.

Fig 5: Detaching Headliner

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque: 5 Nm

Fig 6: Releasing Left And Right Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Heat seal to approx. 60 °C with hot air blower.

Detach outer third of seal (1) at front and rear with fishbone 00 9 321.

Fig 7: Detaching Outer Third Of Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Pull seal off roof panel.

Remove butyl  from seal and roof shell.

Fig 8: Taping Off Sheet Metal Tab

Courtesy of BMW OF NORTH AMERICA, INC.

For better accessibility, affix seal (1) to front roof shell with adhesive tape.

Fig 9: Affixing Seal To Front Roof Shell With Adhesive Tape

Courtesy of BMW OF NORTH AMERICA, INC.

On-the-job safety: 

• Comply with the relevant safety regulations

Clean adhesive area with adhesive remover.

Air drying time: = 1 minute

Prepare butyl rope dia. 4 mm, 30 mm long.

Affix butyl rope (1), starting at threaded bush.

Fig 10: Affixing Butyl Rope Starting At Threaded Bush

Courtesy of BMW OF NORTH AMERICA, INC.

Prepare butyl rope dia. 4 mm.

Prepare butyl rope dia. 7 mm, 250 mm long.

Affix butyl rope dia. 4 mm at area (1).

Affix butyl rope dia. 7 mm at area (2).

Fig 11: Affixing Butyl Rope At Areas Specified

Courtesy of BMW OF NORTH AMERICA, INC.

Prepare butyl rope dia. 4 mm, 150 mm long.

Affix butyl rope in area (1).

Fig 12: Affixing Butyl Rope

Courtesy of BMW OF NORTH AMERICA, INC.

Prepare butyl rope dia. 4 mm, 30 mm long.

Affix butyl tape (1), starting at threaded bush.

Fig 13: Identifying Butylene Flat Tape Laying On Rear Roof Shell Corner, Left/Right

Courtesy of BMW OF NORTH AMERICA, INC.

Prepare butyl rope dia. 7 mm, 250 mm long.

Affix butyl rope (1) at radius.

Fig 14: Affixing Butyl Rope At Radius

Courtesy of BMW OF NORTH AMERICA, INC.

Prepare butyl rope dia. 4 mm.

Affix butyl rope (1).

Fig 15: Affixing Butyl Rope

Courtesy of BMW OF NORTH AMERICA, INC.

Prepare butyl rope dia. 4 mm, 150 mm long

Affix butyl rope (1) and cut off excess butyl.

Fig 16: Affixing Butyl Rope

Courtesy of BMW OF NORTH AMERICA, INC.

Prepare butyl rope dia. 7 mm, 500 mm long.

Affix butyl rope in area (1) and cut off excess butyl. Make sure butyl rope (1) is correctly positioned in radius of roof shell (2).

Fig 17: Affixing Butyl Rope Correctly Positioned In Radius Of Roof Shell

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 18: Identifying Roof Shell

Courtesy of BMW OF NORTH AMERICA, INC.

Installing the seal: 

A second person will be needed to help install the seal.

Set seal in place at front and rear and adjust it sideways to correct position. Ensure that gasket is correctly seated.

Fig 19: Identifying Sheet Metal Tab

Courtesy of BMW OF NORTH AMERICA, INC.

Remove support and close roof.

Loosely install new screws.

Align seal flush at front and rear and tighten screws to secure. Check gap dimensions.

Tightening torque: 5 Nm

Fig 20: Measuring Gap Dimensions

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten screw (1) at rear left.

Tightening torque: 5 Nm

Fig 21: Identifying Screws At Rear Left And Right

Courtesy of BMW OF NORTH AMERICA, INC.

Checks: 

• Check seal for butyl squeeze-out. If possible, allow vehicle to stand for several hours with closed roof. Repeat test.

  If squeezed out, remove butyl .

• Check that screws are secure. Make sure there is no gap between screw head and seal.
• Carry out leak test. Secure hose to roof and allow water to run over the area in question for 20 minutes.