Have you lost the auto up or down on your electric windows.
E90 window motor reset.
Roll the window completely down and hold the auto button down for 10 seconds.
This will allow you to get started making sure power goes to your windows.
First signs of failure is the regulator will make a clicking noise while operating left front window regulator or window lifter assembly without motor for your 4 door e90 91.
I show you the reset procedure here.
Reset the automatic window feature.
Open window completely.
In order to initialize the window close the doors from the drivers switch block hold the window in the closed position until the window fully closes.
Next quickly pull on the close button past the detent and wait for the window to fully close.
Make sure the windows are completely closed.
How to relearn your bmw windows end positions for all the safety and comfort features to work properly in your car.
After you get the door panel and vapor barrier off just roll the window down to where you can access the clip and pop it off the regulator using a big flat screwdriver.
Close the windows so you can reset the automatic function.
Push window all the way up and tape it there.
Unbolt and replace the regulator and pop the window down and back into the new clip on the regulator.
Roll the window completely down.
Then release the switch and hold it up again for another 2 seconds.
Are they not closing fully or going fully down.
Does not include motor right rear window regulator or window lifter assembly without motor for your 4 door e90 91.
This calibration is needed after your w.
The window should be initialized at this point.
Release window button then hold switch in open direction again for approx.
Let me know how you make out.
Turn the key to the accessory or on position.
Power window regular motor initialization procedure switch ignition on and close window completely release window button then hold switch in close direction again for approx.
How to reset e90 bmw window.