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

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Special Tools Required:

NOTE: For special tools, refer to BODY EQUIPMENT - SPECIAL TOOLS - 3-SERIES (M54/E46) .

00 9 317

Necessary preliminary tasks:

Remove front door trim. See 51 41 001 Replacing front left or right door trim
If necessary, remove airbag module in front door. See 65 77 550 REMOVING AND INSTALLING/REPLACING IMPACT SENSOR FOR LEFT OR RIGHT SIDE AIRBAG

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

Fig 1: Removing Sealing Bead Of Sound Insulation

Courtesy of BMW OF NORTH AMERICA, INC.

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 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.

Fig 2: Positioning Of Butylene Tape On Inner Door Panel

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 3: Positioning Of Butylene Tape On Sound Insulation

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: A marking (2) is provided all round on the sound insulation (1).

Butylene tape (3) rests on or inside the marking (2).

Fig 4: Installing Butylene Tape On Or Inside Marking

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Air drying time: 1 minute

Secure lead (1) with 6 mm dia. butylene tape (2).

NOTE: Leads (3) pass over sound insulation.

Fig 5: Securing Lead With Butylene Tape

Courtesy of BMW OF NORTH AMERICA, INC.

Lay 6 mm dia. butylene tape 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