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

Necessary preliminary tasks:

Remove DOOR TRIM PANEL

NOTE: Dimensions A to D apply for partial detachment of sound insulation (1).

Measurement A: Detach left sound insulation.
Dimension B: Detach right sound insulation.
Dimension C: Detach bottom sound insulation.
Dimension D: Detach top sound insulation.

Fig 1: Identifying Sound Insulation Dimensions
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Position of sealing bead (1).

Feed out sound insulation (3) at cable (2) and remove.

Fig 2: Identifying Sealing Bead Area

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IMPORTANT: When cutting through sealing bead (1), do not damage sound insulation (2) and if necessary cable.

With a suitable sharp cutting tool (3) cut through sealing bead (1) of sound insulation (2) in the area to be detached.

Fig 3: Cutting Sealing Bead Of Sound Insulation Using Sharp Cutting Tool

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Clean adhesive area with adhesive remover (sourcing reference: BMW Parts Department).

Air drying time: 1 minute

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

NOTE: Replacement:
Lay 6 mm dia. butyl rope (sourcing reference: BMW Parts Department) in specified adhesive area.
Heat butyl rope (hot air blower) and press down firmly on sound insulation all round.
Contact pressure with hand roller: approx. 20 N/cm²
Manual contact pressure: approx. 10 N/cm²

NOTE: Firm thumb pressure has approx. 30 N/cm²

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.

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

Fig 4: Identifying Butylene Tape On Sound Insulation

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

Fig 5: Identifying Butylene Tape

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Clean adhesive area on inner door panel with adhesive cleaner (sourcing reference: BMW Parts Service).

Air drying time: 1 minute

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

Lay 6 mm dia. butylene tape in a single row (sourcing reference: BMW Parts Service) in specified adhesive area on acoustic insulation.

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/cm 2

NOTE: Firm thumb pressure has approx. 50 N/cm²