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So My car(E39 M5) cranks but won't start. Before this happens every time I tried to start it I had to push the gas like 2 times so the car won't turn off right after the start. I tried to check with the OBD reader and I get. Motor Electronics2 DME Fault/7 Do you know what could cause that? Any help you can give would be greatly appreciated.
 

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I think it stands for a fault in the ( diagnostic) Motor Electronics 2 (DME M5.2), Fault 7. Engine coolant temperature - Radiator.

The temperature sensor for the radiator is probably bad and needs to be replaced. Can't start motor if it can't tell it's coolant system is working.
 
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