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

WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, and 2001 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

Remove rear door trim panel, refer to 51 41 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT DOOR TRIM PANEL .

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

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Release screws (2) and remove speaker unit.

Fig 2: Removing Speaker Unit

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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: Using Special Tool 00 9 317 (Trim Panel Wedge)

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Installation:

In event of replacement or partial detachment, lay butylene tape (sourcing reference: BMW Parts Service) 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: Positioning Of Butylene Tape On Inner Door Plate

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

Fig 5: Positioning Of Butylene Tape On Sound Insulation

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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 Parts Service).

Air drying time: 1 minute

Lay butylene tape with +/- 6 mm (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