51 48 ... 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 door trim panel
- If necessary, remove airbag module in front door







Unfasten cable tie (1).
Using special tool 00 9 317, lever out sealing bead (2) of sound insulation (3) completely or if necessary partially.

Installation:
In case of replacement or partial detachments, lay butylene tape (sourcing reference: BMW Parts Service) depending on the conditions on inner door panel or sound insulation.
Seal cable penetrations with butylene tape.







IMPORTANT: Do not damage Bowden cable (2) and lock knob control rod (3).







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).

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

IMPORTANT:
- Adhesive area must be dry and free from dust and grease.
- Once it has been cleaned, do not touch the adhesive area with bare hands.







Secure line (1 and 2) with 6 mm dia. butylene tape (3) (sourcing reference: BMW Parts Service).

Lay single row of 6 mm dia. butylene tape or double row of 3 mm dia. 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/sq.cm
Manual contact pressure: approx. 10 N/cm

NOTE: Firm thumb pressure has approx. 50 N/sq.cm