Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2004325CI CONVERTIBLE (E46) L6-2.5L (M56)REPAIR AND DIAGNOSISWINDOWS AND GLASSWINDOWSSERVICE AND REPAIR
2004 BMW 325Ci Convertible (E46) L6-2.5L (M56)
Windows: Service and Repair
2004 BMW 325Ci Convertible (E46) L6-2.5L (M56)SECTION Service and Repair
Initialization of the Power Window Regulators
Sporadic faults or switch-off can be rectified by deletion of an initialization and subsequent re-initialization.
Prerequisites:
- Vehicle stationary
- Sufficient battery voltage
- Terminal "R" or terminal "15" switched on
- All doors closed
Attention!
The anti-trapping mechanism is not active during initialization. Make sure that there are no persons or foreign materials in the area of the side window during initialization.
Deletion of the initialization by using the button:
- Full open the side window on the respective door.
- Keep the corresponding button fully pressed down for longer than 15 seconds and shorter than 20 seconds.
Deletion of the initialization was successful if the toll function is no longer possible.
Initialization by using the button:
- Fully close the side window by pulling the switch. Possibly the switch must be operated several times until the side window is fully closed.
- Then fully open the side window. Possibly the switch must be operated several times until the side window is fully open.
- Then close the side window by using the toll function. Do this by pulling the switch and keeping it pulled until the side window is completely closed.
The initialization was successful if the side window can be opened and closed without errors by using the toll function.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.