On the e46 the heated rear window and door mirrors switched on automatically when starting in cold weather. You can visibly see steam coming of the heated mirrors when they are working. In the interests of progress BMW have not included this useful feature on the e90.
Drives: E70 3.0D MSport. Join Date: Sep 2010. Location: Kent, UK. iTrader: ( 0) Heated Rear Window Problem. Now that the cold weather is upon us here in the UK, it`s time to start using the heated rear window. However, as you can see from the picture, there is clearly a problem with the elements in my rear window.Make sure the rear defroster switch and the ignition key are turned on. Disconnect both wires from either side of the defroster grid and touch one end of your tester to each wire. If the light comes on, you have power. If it doesn't, check for a bad fuse and replace it if necessary. Grid Power Test: Check whether power is getting to your Water bottle off with a 10mm so you can get to the 2 pumps. Pop them off and remove filter. The top pump is for the headlight washers-this filter was'nt too gunged up but the bottom pump for the windscreen was. Clean it out and job done. Rear window defroster. Press the button. The rear window defroster switches off automatically after a certain period of time. ALL program. Press the button. The current settings on the driver's side for temperature, air volume, air distribution, and AUTO program are transferred to the front passenger side and to the left and right rear.
BMW windscreen washer jets not working easy fix.Buy an inexpensive Air Compressor kit HERE:
How to fix a rear windscreen wiper that is not moving at all, when the problem is not the motor.Here's a bit more detail on some of the bits from Anton: http
Posts. Drives: F48 X1 XDrive20d xLine. Join Date: Jul 2012. Location: Manchester UK. iTrader: ( 0) rear windscreen heating elements. some of my F20's rear windscreen heating elements seem to be broken, coincidentally only those not in the path of the rear wiper. is this normal? i can see heating element wires outside the path of the wiper, but
2007 328i E90, 5/2007 build date. This is my wife's car, and the rear window defogger stopped working. Fuse #46 is OK. According to the Bentley manual, for models up to 3/2007 there is a K13 relay on the left side of the fuse block behind the glovebox. But this car is 5/2007 and there is no
xe5DFG.