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Why is my car overheating after driving on the interstate for an hour? on 2006 BMW 330i

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After driving on the interstate for an hour the overheating signal comes on and the car dies. The first time it happened I had it towed to a shop and they looked at it the next morning and found nothing wrong. The second time, again after an hour on the interstate, I left the car parked in a lot and returned the next day and it ran fine without showing the overheating alert.
(4) Answers
(3) Comments
Have a specialty shop equipped with a GT1 check your BMW DME...there is an issue with its cooling system control
Did you find a resolution to your problem? My 330i is doing the exact something.
I did find a recall I'm going to see the dealership about.
Recall ID # 93384 - ENGINE AND ENGINE COOLING:COOLING
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The auxiliary fan and electric water pump are common failure points on this BMW. As previously stated, a shop with a BMW specific scanner should be able to confirm.
They have an electric engine water pump - these are prone to failure. I've just had mine replaced after same symptoms