51 48... Removing and installing/replacing sound insulation in front door, left or right

Remove rear door trim panel,

refer to 51 41 000 REMOVING AND INSTALLING DOOR TRIM PANEL, FRONT LEFT OR RIGHT (PROTECTION) .

If necessary, remove airbag module in front door,

refer to AIR BAG RESTRAINT SYSTEMS .

Remove inside door handle on front door,

refer to 51 21 225 REMOVING AND INSTALLING/REPLACING INSIDE DOOR HANDLE IN LEFT OR RIGHT FRONT DOOR .

Disconnect plug connection (1).

Fig 1: Disconnecting Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (2) and remove speaker unit.

Fig 2: Releasing Screws And Remove Speaker Unit

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 3: Levering Out Sealing Bead

Courtesy of BMW OF NORTH AMERICA, INC.

Installation

In event of replacement or partial detachment, lay butylene tape (sourcing reference: BMW Part) on inner door plate or sound insulation.
Seal cable penetrations with butylene tape.

NOTE: Position of butylene tape (1) on inner door plate.

Fig 4: Identifying Position Of Butylene Tape On Inner Door Plate

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 5: Position of butylene tape on sound insulation

Courtesy of BMW OF NORTH AMERICA, INC.

CAUTION: When working with adhesive cleaners in enclosed rooms:
Ensure room is well ventilated.
The adhesive areas must be dry and free from dust and grease.
After cleaning, do not touch the adhesive areas with bare hands.

If necessary, clean the specified adhesive area with adhesive cleaner (sourcing reference: BMW Part).

Air drying time: 1 minute

Lay butylene tape with "PHI" 6 mm (sourcing reference: BMW Part) 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