To locate which one is at fault turn the ignition key on but DONT start the engine. Put the vehicle in reverse. (Ensure the PDC button is on) Go to each separate sensor, place your thumb over the sensor and get you ear as close as possible to the sensor. The good ones will click, the bad one (s) wont.

UNFORTUNATELY, those rear windows, like windshield, are BONDED/ Glued to the body. Here is what Bentley says:"The windshield, rear window, and fixed rear door glass are bonded using special adhesives and tools. For bonded glass replacement, see an authorized BMW service facility or an automotive glass installer."
Disconnect the wire switch connector. Second Photo: lift the wiper arm away from the window to take the pressure off the wiper arm, and lift the plastic covering of the wiper arm cover that conceals 2 nuts on the shaft. Remove the first one (the silver one), and using a large flat screwdriver, position it under the arm where it sits on the

The switch isnt working - i.e. i cant open glass window separately. I want to remove the fuse in order to stop the potential battery drain until i get a new switch sorted. does anyone know what fuse number it is? I have remove the rear wiper fuse 48 but not sure if that's the same foe the switch? TIA.

Posting Permissions. Here is a procedure for resetting your e90 rear windows. (should be same for your front). After installing new regulator, do the following. 1. Disconnect Battery for a min 2. Reconnect Battery 3. Put key slot ,and press the widow button all the way down. Release button for 3sec. 4.

76. Posts. Drives: I8. Join Date: Jun 2018. Location: Edinburgh, UK. iTrader: ( 0) Rear window demister. Mines only half working. Only 7” of screen in the middle of the window clears, the upper and lower half doesn’t - which is odd, as the electrical connection is at the top. iyS1RKU. 441 386 283 190 370 65 264 91 46

bmw e91 rear window heater not working