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Old 02-20-2012, 04:56 PM
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petriej petriej is offline
Cruising 280 Top Down
Location: San Jose, CA
 
Join Date: Jul 2010
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Mein Auto: '99 M3 Cab & '05 X5 4.8is
The auto-up-down feature for the window is not supposed to operate when the door is open.

Also, the computer in control of these things is a giant state machine. The door open part is probably one thing that tells the computer to go to a state where it can re-learn the extreme ends of the window motion. Just a guess. The window auto-ups until it hits something as a safety measure. I doubt it's a sensor involved, but more likely a current regulator. When the motor is pushing the window up and something is in the way, the current draw by the motor will jump, which may trigger it to stop (or in our case move slightly down, for safety!).

Again, just a guess.
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2005 X5 4.8is Le Mans/Black/6spd Steptragic
1999 M3 Cabrio TiAg Metallic/Dove Grey/Black 5 Speed Manual
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1997 328iC Schwarz II/K/K 5MT SOLD 5/2012
2004 645Ci Mineral Silver Metallic/Black 6MT RIP 04/2011
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