Thank you, imz4n. I brought my car to the dealer cuz my top will just crack an inch and will stop while I press the down button. I could hear the motor running. Anyway, dealer told me that they just did reset on the module. Now, its working fine. It was a $850 job if it wasn't for the reset... I guess next time I'll just try your advice.

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RICK

2003 Z4 3.0i
6 Speed
Merlotrot Metallic