Is your BMW E90 rear window stuck? It might be the window regulator. This guide will help you replace it. Follow these simple steps.
What You Need
Before you start, gather these tools and parts:
- New window regulator
- Screwdrivers (flathead and Phillips)
- Socket wrench set
- Trim removal tool
- Gloves
- Masking tape
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Step 1: Prepare Your Car
Park your car on a flat surface. Turn off the engine. Remove the key from the ignition.
Put on gloves. This will protect your hands.
Step 2: Remove the Door Panel
Use a trim removal tool. Gently pry off the door handle cover. Be careful not to break it.
Use a Phillips screwdriver. Remove the screws behind the door handle cover.
Remove the screws at the bottom of the door panel. Use a socket wrench if needed.
Use the trim removal tool again. Pry off the door panel. Start at the bottom and work your way up.
Disconnect the electrical connectors. The door panel should now be free. Set it aside.
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Step 3: Remove the Old Window Regulator
Locate the window regulator. It is inside the door.
Use masking tape. Tape the window to the door frame. This will keep it from falling.
Use a socket wrench. Remove the bolts holding the window regulator.
Disconnect the motor. The window regulator should now be loose.
Carefully remove the old window regulator. Be gentle to avoid damaging the window.
Step 4: Install the New Window Regulator
Place the new window regulator inside the door. Align it with the bolt holes.
Reconnect the motor. Make sure it is secure.
Use a socket wrench. Bolt the new window regulator in place.
Remove the masking tape. Gently lower the window onto the regulator. Make sure it fits well.
Step 5: Test the New Window Regulator
Reconnect the electrical connectors. Turn the key in the ignition. Test the window switch.
Make sure the window moves up and down smoothly. If it works, you are ready for the next step.
Step 6: Reattach the Door Panel
Place the door panel back onto the door. Align it with the clips.
Press the panel into place. You should hear clicks as the clips engage.
Replace the screws you removed earlier. Tighten them with a screwdriver.
Reattach the door handle cover. Make sure it is secure.
Conclusion
Congratulations! You have replaced your BMW E90 rear window regulator. Your window should work smoothly now. If you have any issues, double-check your work.
Thank you for following this guide. Enjoy your ride!