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Old 03-24-2007, 06:39 PM
Falcontech Falcontech is offline
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Location: La Habra CA
Join Date: Mar 2007
Posts: 6
Mein Auto: 540I
My 03 540i was doing the same thing before the radiator side split last week.

I would leave the car, and it was OK for several hours and then go off for no reason, or I could be gone for ten minutes and it would go off.

I haven't done any troubleshooting yet, since I have to deal with the radiator fix first.
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