Happy hit it on the nose. The magnet is what tells the window module "where" the window is (or how far up or down). Since that magnet is broken or fallen off, the module won't allow the toll down feature because it won't know when to stop.
STETT Performance -
921 J Place, Suite 200
Plano, TX 75074
OEM Repairs and Maintenance
Extended Warranty Service
Everything Performance (brakes, turbos, Nitrous, Cams, Complete Engines, Clutches/Flywheels etc)
STETT Performance Official Grand Opening BMW Meet, May 6th 11A-3P -- Music, Food, Drawings and Tons of BMW's go to
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