51 71 120 Removing And Installing/Replacing Cowl Panel Seal

Necessary preliminary tasks: 

• If necessary, open soft top
• Remove trim strip   on rain gutter  on left and right.

Fold back seal (1) at top to one side and release screw (2) underneath on both sides.

Installation: 

Make sure seal (1) is correctly seated on trim (3) along dashed line.

Fig 1: Folding Back Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Detach seal (1) along dashed line from window frame.

Installation: 

If necessary, moisten seal (1) with water for better fitting.

Make sure seal (1) is correctly seated in retaining strip (2) and in area of arrows.

Fig 2: Removing Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Special Tools Required 

• 51 0 300 PRESSURE ROLLER

Necessary preliminary tasks: 

• If necessary, open soft top
• Remove trim strip   on rain gutter  on left and right
• Remove roofliner   trim 

Carefully pull out seal from A-pillar strip, release along window frame and remove.

Remove butyl completely from seal and body.

Observe valid safety regulations when handling cleaning agent.

Pull off door mucket (1) to a length of approx. 10 cm.

Clean A-pillar corner and cowl panel in marked area with spirit.

Fig 1: Identifying Door Mucket

Courtesy of BMW OF NORTH AMERICA, INC.

Clean cowl panel strip (1) in end area with spirit.

Fig 2: Cleaning Cowl Panel Strip End Area

Courtesy of BMW OF NORTH AMERICA, INC.

Clean inner sealing knot (1) on cowl panel seal (2) with spirit.

Fig 3: Cleaning Inner Sealing Knot On Cowl Panel Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Stick outer butylene pad (15x20 mm) to screw fastening points of cowl panel strip on cowl panel flange.

1. Contact, edge, Prestole cage
2. Slight protrusion
3. Clean contact with edge
   Fig 4: Identifying Slight Protrusion

   Courtesy of BMW OF NORTH AMERICA, INC.

Stick on butylene thread (1) as pictured starting at cowl panel strip (2) and with 1 cm overlap.

Ensure clean contact in transition area to butylene pad (3).

Fig 5: Identifying Butylene Thread

Courtesy of BMW OF NORTH AMERICA, INC.

Guide butylene thread (1) under A-pillar strip (2) and stick on with approx. 1 cm overlap.

Fig 6: Identifying Butylene Thread Under A-Pillar Strip

Courtesy of BMW OF NORTH AMERICA, INC.

Stick on butylene thread (1) as pictured starting at A-pillar strip (2) at top.

Using a suitable tool (3), press in butylene thread (1) and connect with long thread (4).

Fig 7: Identifying Butylene Thread On A-Pillar Strip

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 8: Identifying Butylene Thread & A-Pillar Seal Guide Area

Courtesy of BMW OF NORTH AMERICA, INC.

Apply approved anti-friction agent below first screw fastening point (1) to A-pillar strip (2) at top and bottom.

Fig 9: Identifying Fastening Point On A-Pillar Strip

Courtesy of BMW OF NORTH AMERICA, INC.

Apply approved anti-friction agent after second screw fastening point (1).

Fig 10: Identifying Butylene Thread Applying Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Carefully position seal (1) on A-pillar strip (2) and push in.

Anti-friction agent must not encroach onto sealing surface, therefore pull back seal by max. 1 cm if difficult to move.

Fig 11: Positioning Seal On A-Pillar Strip

Courtesy of BMW OF NORTH AMERICA, INC.

Attach door mucket (1) fully and press down.

Tilt knot (2) slightly and carefully guide over butylene thread.

Attach knot to cowl panel and firmly press down in all directions.

Fig 12: Tilting Knot

Courtesy of BMW OF NORTH AMERICA, INC.

Press down seal (1) with special tool 51 0 300  .

Spread excess length towards middle.

Fig 13: Pressing Down Seal Using Special Tool 51 0 300

Courtesy of BMW OF NORTH AMERICA, INC.