64 11 970 Replacing fogging sensor

WARNING: This page does not describe the selected car, but rather 23 other vehicles, including the 2013 BMW 328xi, 2013 BMW 328i, 2012 BMW 335xi, 2012 BMW 328xi, and 2012 BMW 328i. 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.

Necessary preliminary tasks:

Remove two-part mirror base cover

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).

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

Fig 1: Plug Connection, Fogging Sensor And Special Tool (00 9 317)

Courtesy of BMW OF NORTH AMERICA, INC.

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 2: Mounting Template, Rain Sensor And Fogging Sensor

Courtesy of BMW OF NORTH AMERICA, INC.