I also have had this common problem. Here is the article that I followed to fix mine. I did the solder trick..Its been working great ever since, and saved $$ too.

http://www.xoutpost.com/x5-e53-forum/...ghlight=solder

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2001 4.4 Titanium Silver, OEM Running Boards, Tinted Driver/ Passenger windows, Clear Side Markers, Clear/ Red Tail Lights, Axxis brake pads, and just added...Bosch Icons!!!!