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Home >> BMW >> 2021 >> M440i xDrive >> Repair and Diagnosis >> Accessories & Equipment >> Steering Column Switches >> General Electrical System -- Repair (G22, G23 & G26) >> 61 35 Control Units, Modules >> 61 35 179 Remove and install rain-light-solar-condensation sensor (4' Series coupe, convertible, and GranCoupe sedan) >> Installing the rain-light-solar-condensation sensor

Installing the rain-light-solar-condensation sensor

Check 

NOTE: Risk of damage 
Damage to silicone surface. 
A damaged silicone surface can lead to malfunctioning of the rain-light-solar-condensation sensor. 
  • Do not tap or damage the silicone-coated surface on the rain-light-solar-condensation sensor.
  • After loosening lock, wait approx. 30 min. at 20°c for silicone surface to relax.
G14906793Courtesy of BMW OF NORTH AMERICA, INC.

Result 

» sensor (2) is damaged.

Measure

Result 

» silicone surface is damaged (1).

Measure

Replacing the gel pad for rain-light-solar-condensation sensors

Result 

» silicone surface (1) and sensor (2) do not show signs of damage.

Measure

G14645653Courtesy of BMW OF NORTH AMERICA, INC.

Check 

G09928953Courtesy of BMW OF NORTH AMERICA, INC.

Result 

» contact surface exhibits air pockets.

Measure

G14645649Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work