I had a wierd situation and I ended up pulling the negative baterry for 5 minutes and then the car started up. When I tried to start it, I got nothing, not even a click. After the reset it worked fine.

I originally performed the reset for a minute and that did not work, I re did it for 5 minutes and it worked. Hope this helps.

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2003 X5 & 2000 323i - I Love my Bimmers.