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Home >> BMW >> 2017 >> X4 M40i >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> General Electrical System - Repair >> Control Units, Modules, Sensors, Aerials >> 61 35 179 Replacing and installing (replacing) the solar rain/light sensor and condensation sensor

61 35 179 Replacing and installing (replacing) the solar rain/light sensor and condensation sensor

Attention! 

Observe the INFORMATION ON PROTECTION FROM ELECTROSTATIC DISCHARGE .

Necessary preliminary tasks: 

Removal: 

Disconnect connector (1).

Unlock rain/light/solar and condensation sensor (2) at metal spring (3).

Press the metal spring (3) on both sides, insert screwdriver (4) at side and lift the latch mechanism.

Attention! 

Risk of damage!

After loosening lock, wait approx. 30 min. at 20°C for silicone surface to relax.

Fig 1: Pressing Rain/Light/Solar And Condensation Sensor Metal Spring Using Screwdriver
G11110188Courtesy of BMW OF NORTH AMERICA, INC.

Pull the rain/light/solar and condensation sensor (1) slowly from holder (2) in direction of arrow.

NOTE: When replacing the windscreen, only remount the rain/light/solar and condensation sensor (1) after disassembly of the windscreen.

Pull off the rain/light/solar and condensation sensor (1) slowly while observing from outside the release of the silicone surface.

The silicone surface must evenly loosen from the windscreen, if applicable, pull off slower.

Fig 2: Removing Rain/Light/Solar And Condensation Sensor From Holder
G09928945Courtesy of BMW OF NORTH AMERICA, INC.

Attention! 

Risk of damage!

The silicone-coated surface (1) and the printed circuit board (2) on the rain/light/solar and condensation sensor must not be touched or damaged!

When replacing the windscreen, immediately install the rain/light/solar and condensation sensor into the new windscreen following removal.

Fig 3: Identifying Rain/Light/Solar And Condensation Sensor Silicone Coated Surface And Printed Circuit Board
G11110190Courtesy of BMW OF NORTH AMERICA, INC.

Attention! 

Risk of damage!

The surface (1) on the windscreen must not be touched or damaged!

There may be easily removable form oil residues from the rain/light/solar and condensation sensor on the surface (1). This does not pose any damage to the rain/light/solar and condensation sensor.

Remove all residue from the form oil within and outside the surface (1).

Fig 4: Identifying Windscreen Surface
G09928947Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: 

Thoroughly clean the windscreen at the contact area (1) with the rain/light/solar and condensation sensor! All the silicone and form oil residues must be removed!

Fig 5: Identifying Windscreen Surface
G09928947Courtesy of BMW OF NORTH AMERICA, INC.

Remove protective cover (1) from new rain/light/solar and condensation sensor.

Fig 6: Removing Rain/Light/Solar And Condensation Sensor Protective Cover
G09949680Courtesy of BMW OF NORTH AMERICA, INC.

Attention! 

The silicone-coated surface (1) and the printed circuit board (2) on the rain/light/solar and condensation sensor must not be touched or damaged!

Fig 7: Identifying Rain/Light/Solar And Condensation Sensor Silicone Coated Surface And Printed Circuit Board
G11110190Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Attention! 

Risk of damage!

The silicone-coated surface on the rain/light/solar and condensation sensor must not be touched or damaged.

Feed the rain/light/solar and condensation sensor (1) into holder (2) in direction of arrow.

Fig 8: Installing Rain/Light/Solar And Condensation Sensor Into Holder
G09928951Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Connect connector (1) only after the rain/light/solar and condensation sensor has been locked.

Press on the rain/light/solar and condensation sensor (2) at the metal spring (3) in a centered position.

To lock, consecutively press down both sheet metal tabs (4) on each side.

Connect connector (1) with the rain/light/solar and condensation sensor (2).

Fig 9: Identifying Rain/Light/Solar And Condensation Sensor, Connector, Metal Spring And Sheet Metal Tabs
G09928944Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Visible shades (1 and 2) do not have any air pockets, but show the optical element of the sensor.

Visible shades (1 and 2) do not represent any  functional limitation.

Fig 10: Identifying Rain/Light/Solar And Condensation Sensor Visible Shades
G09928953Courtesy of BMW OF NORTH AMERICA, INC.

For vehicles up to 03/2014: 

Initialize SENSOR .

NOTE:
  • The encoding is implemented automatically  with a terminal change (terminal 15) using the junction box  .