BMW X3 NEEDS NEW COMPUTER SYSTEM DUE TO WATER DAMAGE ALLEGEDLY EMANATING FROM A CLOGGED DRAIN IN THE SUNROOF. NEW COMPUTER COSTS APPX $2,000. DEALER AND BMW SAY THE DRAIN CAN'T BE SEEN OR ACCESSED BY OWNER AND IT ISN'T CLEANED AS PART OF ANY SERVICING. CLEAR DESIGN FLAW. I KNOW OF OTHERS WHO HAVE HAD THE SAME SITUATION AND BMWS RESPONSE IS TO TRY AND FILE AN INSURANCE CLAIM. *TR