Necessary preliminary tasks

Position of sealing bead (1).

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

Fig 1: Identifying Sealing Bead, Feed Cable And Sound Insulation

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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 2: Cutting Through Sealing Bead Of Sound Insulation

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Clean bonding area with adhesive remover (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.

NOTE: Replacement:

Lay 6 mm dia. butyl rope (sourcing reference: BMW Parts Department) in specified adhesive area.

Heat butyl cord (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

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

Fig 3: Identifying Butyl Rope On Sound Insulation

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

Fig 4: Identifying Marking, Sound Insulation And Butyl Rope

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