Had to fish my driver's side window out of the door today... I'm sure the clip broke that holds the glass to the regulator. I'm guessing the PO had the regulator replaced and they either reused the clips that were on it, or it's a non-OEM regulator. I knew it was a matter of time as it always made noise when closing the door. Poor repair-job most likely, but I'll know for sure after I open it when the OE replacement arrives.

FYI, fishing it out is fairly simple... and keeps you from having to pull the door panel to raise your window. I used some 3M double sided tape (the stuff they mount body panels/trim with) and a small pair of needle nose pliers (the shorter stubby kind). Put a piece of tape on each side of the glass and use those as cushions and grip for your pliers while you lift. In my case I had to lift at the rear of the glass since that was the side that popped out of the regulator. Note: this will only work if one side of your window is still attached to the regulator. Will not work if the window has completely come off or regulator has failed.

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2005 X5 4.4i Build 04/05 Maintenance/Build Log
Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles)

2006 X5 4.8is Build 11/05 Maintenance/Build Log
Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles)

2010 X5 35d Build 02/10
Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)