51 48 060 Removing and installing/replacing sound insulation in front door, left or right

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Special tools required:

00 9 317

Necessary preliminary tasks:

Partial removal:

Remove front door trim panel

Complete removal:

Remove control unit in front door . See 61 35 220 REMOVING AND INSTALLING (REPLACING) CONTROL UNIT FOR LEFT OR RIGHT FRONT DOOR .

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

Feed wires (3) out of sound insulation (2).

Fig 1: Identifying Sealing Bead, Wires And Sound Insulation

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

In case of replacement or partial detachments, lay butylene tape depending on the conditions on inner door panel or acoustic insulation.

Seal cable penetrations with butylene tape.

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

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

Fig 2: Identifying Butylene Tape, Bowden Cable And Lock Knob Control Rod

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 3: Identifying Butylene Tape And Acoustic Insulation

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 4: Identifying Acoustic Insulation And Marking

Courtesy of BMW OF NORTH AMERICA, INC.

Clean bonding area with adhesive remover.

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.

Lay single row of 6 mm dia. butylene tape or double row of 3 mm dia. 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/cm ²

Manual contact pressure: approx. 10 N/cm²

NOTE: Firm thumb pressure has approx. 50 N/cm ²