2002 vs M3

The temp gauge on the tii should be slightly below 1/2, not above it. In spite of the claim
of new radiator, water pump, thermostat, that car is still overheating.
 
Good point. The sensor and the wiring can be tested with simple tools like a digital kitchen thermometer and a digital VOM. Far less money, time, or dirt than the replacement of any physical component.
 
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