it have 2 coolant temperature sensor locadeted in the thermosat housing one with a plug and with 2 wires white and brown, the sensor has a purple top,,should that one show some type of resistance when checking with ohms meterRelated QuestionsBMW 528iI accidently put coolant into the oil engine. I didn't start the car yet, I need help. how do I fix this terrible mistake? how mad is this for the engine?BMW 328iconvI tried put the top down it opens only 6in will not go down1987 bmw 635csimy cat. is glowing red hot and the car is not running proper.