Removing and Installing/Replacing Sound Insulation In Front Door, Left or Right

51 48 ... Removing And Installing/Replacing Sound Insulation In Front Door, Left Or Right

Special tools required:
- 00 9 317

Necessary preliminary tasks:
- Remove front door trim
- If necessary, remove airbag module in front door







Using special tool 00 9 317, lever out sealing bead (1) of sound insulation (2) completely or if necessary partially.

NOTE: Work with particular care in area (A) otherwise sound insulation (2) will tear and must be replaced (leakage).

IMPORTANT:
- In case of replacement or partial detachments, lay 6 mm dia. butylene tape (sourcing reference: BMW Parts Service) depending on the conditions on inner door panel or sound insulation.
- Seal cable penetrations with butylene tape.
- Sound insulation must be bonded completely (i.e. without interruption) with butylene tape, otherwise moisture will get into the passenger compartment (leakage).







NOTE: Position of butylene tape (1) on inner door panel is identified by center punch marks.







NOTE: Position of butylene tape (1) on sound insulation (2).







NOTE:
- A marking (2) is provided all round on the sound insulation (1).
- Butylene tape (3) rests on or inside the marking (2).

IMPORTANT:
- When working with adhesive cleaners in enclosed rooms:
- Ensure room is well ventilated.
- Adhesive areas must be dry and free of dust and grease.
- After cleaning, do not touch the adhesive areas with bare hands (leakage).

If necessary, clean the specified adhesive area with adhesive cleaner (sourcing reference: BMW Parts Service).
Air drying time: 1 minute







Secure lead (1) with 6 mm dia. butylene tape (2) (sourcing reference: BMW Parts Service).

NOTE: Leads (3) pass over sound insulation.

Lay 6 mm dia. butylene tape (sourcing reference: BMW Parts Service) in specified adhesive area.
Heat butylene tape (hot air blower) and press down firmly on sound insulation all round.
Contact pressure with hand roller:approx. 30 N/cm2
Manual contact pressure: approx. 10 N/cm2

NOTE: Firm thumb pressure has approx. 50 N/cm2