6411970 Replacing fogging sensor: Notes

WARNING: Make sure rooms are well ventilated when working with adhesive remover indoors.

IMPORTANT: Do not under any circumstances use paint thinner to clean the bonding surface.

Expand two-part mirror base cover (1) by pressing from below and detach.

Feed out two-part mirror base cover (1) and remove.

Fig 1: Identifying Two-Part Mirror Base Cover

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Disconnect plug connection (1).

NOTE: If necessary, carefully heat fogging sensor (2) with a hot air blower to approx. 40-60 °C.

Lift off fogging sensor (2) with special tool 00 9 317 and slowly pull off from windshield.

Installation:

Bonding surface must be dry and free of dust and grease.

Clean bonding surface with adhesive remover (sourcing reference: BMW Parts Service).

Fig 2: Identifying Plug Connection And Heat Fogging Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

After cleaning, do not touch bonding surface with bare hands.

Pull off protective film completely from fogging sensor (3).

Place mounting template (1) as pictured on rain sensor (2).

Press fogging sensor (3) in direction of arrow with a contact pressure of ≥ 15 N/cm² onto inside of windshield.

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

Remove mounting template (1) carefully from fogging sensor (3).

Fig 3: Pressing Fogging Sensor In Direction Of Arrow

Courtesy of BMW OF NORTH AMERICA, INC.