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HELLO, I DON'T RECALL THE TEMP SWITCH BEING ON THE THERMOSTAT HOUSING ON THE 3 SERIES, IF THE CAR ONLY OVERHEATS WITH A/C ON SOUNDS LIKE YOUR MISSING THE SECOND SPEED FOR THE FAN WHEN DOES THE FAN STOP WORKING, THERE ARE 3 SWITCHES AND A RELAY 1 FOR THE COMPUTOR TO  LET IT KNOW THE TEMP 1 FOR THE TEMP GAUGE AND 1 DAUL SWITCH FOR THE ...

 WHY DOES BMW SAY IT IS THE FAN AND A $1000 SEEMS A LITTLE STEEP FOR A COOLING FAN,THERE IS A COOLANT TEMP SENSOR THAT CONTROLS THE FAN AND FAN SPEED, YOU CAN CHECK THE FAN YOURSELF BY TAPING ON THE FAN MOTOR WHEN IT SUPPOSED TO BE WORKING. BMW HAD A PROBLEM WITH THEIR COOLING FANS. THEY ALSO HAD PROBLEM WITH THEIR WATER PUMPS,THE IMPELLARS ...

Has a new water pump , old one seal broke and  leaked, three months later it started to overheat, and I have recently replaced the thermostat and radiator , the lower radiator return hose does not get hot . and yes the fan runs and I pulled out the water pump and is not defective . please help .     keywords: bmw 325i, new ...

I have a 325i manual BMW it is leaking coolant from the deposit does anyone know how to fix this problem   keywords: bmw 325i, new bmw, bmw lineup