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10-30-2011, 03:51 PM | #1 |
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e38 intermittent nav radio problem - need help!
have a 2001 740i with the MKIII Nav and Widescreen display. I have intermittent problems with the buttons working on the Widescreen Head (can't turn off the radio/cd player), or set destinations with the GPS. Sometimes the sound doesn't work on the radio or cd when I drive. Hitting bumps in the road sometimes causes things to work or not work. I don't know if this is a computer problem, a display/head problem or a wiring problem. Any advice or help to diagnose and fix the problem would be greatly appreciated. If I can avoid hundreds of dollars going to the dealer and/or replacing components it would be really great!
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