The MKIV nav in my e46 M3 has been getting lost repeatedly. Seems to be lost around 10% of the time, which is just enough to make it useless to nav anywhere :roll:

So far I have replaced the GPS antenna twice (both with OEM), replaced the cable that runs to the antenna, and reset the almanac (repeatedly, really, since my batter is often disconnected for a week or more).

At this point I believe the next thing to replace is the GPS receiver... is that correct? If so, where can I source a new one? Any better versions out there than what came with it new? Any threads on replacing it?

Thank in advance!

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Current Cars: 2005 IR/IR M3, 2003 TiAg M5, 1995 S50 B32 GT3 RS Green M3 Race Car
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