64 11 970 Replacing fogging sensor (from 10/2008)

Special tools required:

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.

Press on end caps (1) and at same time press them apart; this releases clip connection of both caps (1).

Fig 1: Pressing Clip Connection End Caps

Courtesy of BMW OF NORTH AMERICA, INC.

Twist mirror (1) at an angle towards front and right/top.

Swivel left end cap (2) off ball neck in direction of arrow; this detaches the engagement clip (3) from the metal foot.

Fig 2: Twisting Front And Right/Top Mirror

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Fig 3: Lifting Fogging Sensor Using Special Tool (00 9 317)

Courtesy of BMW OF NORTH AMERICA, INC.

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

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 achieves approx. 30 N/cm²

Fig 4: Pressing Fogging Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

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