Removing and installing/replacing sound insulation in left or right front door (330i xDrive Wagon, 328d xDrive Wagon, 330i GT xDrive, 340i GT xDrive)

WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2019 BMW 340i GT xDrive, 2019 BMW 330i xDrive, 2019 BMW 330i GT xDrive, 2018 BMW 340i GT xDrive, and 2018 BMW 330i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Attention !

INSTRUCTIONS for sound insulation are an essential part of these repair instructions and must be followed without fail.

Do not detach sound insulation in jerks (risk of damage).

Ensure watertightness of sound insulation after every repair (water ingress).

Necessary preliminary tasks:

Remove door TRIM PANEL .

NOTE: Position of sealing bead (1).

If necessary, maneuver out sound insulation (2) at cable (3).

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Attention !

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.

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When refitting:

Damaged sound insulation must be replaced.

Lay butyl rope with 0 4 mm (sourcing reference: applicable BMW Parts Catalog) onto the original butyl rope.

Replacement:

Remove residual butyl at the door and clean the adhesive area.

Air drying time: 1 minute

Attention !

Bonding surfaces 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. butyl rope (sourcing reference: applicable BMW Parts Catalog) in specified adhesive area onto the sound insulation.

NOTE: Position of butyl rope (1) on sound insulation (2).

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NOTE: A mark (2) is provided all round on the sound insulation (1).
Butyl rope (3) rests on or inside the marking (2).
Heat butyl rope (3) (hot air blower) and press sound insulation (1) on firmly 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

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