3rd window regulator??? May I suggest that you ride with all the windows open as much as you can, and/or cycle all the windows everytime you get into the car. If it's raining, you may want to install window wind deflectors so you can also crack open the windows.

I had one window regulator break on the trip back to Idaho after picking it up from the person I bought it from in June, 2005 (<42k mileage). I am now approaching 91k without another occurence. (I know, I know, I'm really pushing my luck by "saying" that out loud) I learned from this website that you "normally" get better longivity with use vs little to no use.

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Mark _______________________________
2001 X5 4.4i topaz blue/sand Sport, Mk4 Nav, complete Dinan S2 , hitch, V1, tint, BSW Stage 1
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Life is not fair!
You can't protect people from their own stupidity!