64 11 970 Replacing fogging sensor

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 335is, 2013 BMW 335i, 2012 BMW 335is, 2012 BMW 335i, and 2011 BMW 335is. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

00 9 317

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: Pressing Mirror Base Cover

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 2: Lifting Fogging Sensor Using Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Clean bonding surface with adhesive remover.

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 .

Fig 3: Pressing Fogging Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

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