Bmw 335i Radiator Fan Not Working

The fan will usually store a fault in the dme for activation or ihka system faulted for excess pressure because fan is not coming on.

Bmw 335i radiator fan not working.

If you experience no air blowing no heat in my situation as i did in my 2012 x5 35i 88 000 miles battery almost 7 yrs old on the coldest day of the s. Electric water pump diagnosis buy your parts here. Http go magik ly ml 7uko here i will explain the diag proces. Thread tools search this thread.

If fan is giving you a hard time and will not drop all the way down check to see if bottom of cooling fan is hung up on radiator. Check power and ground at the fan connector. The fan has a final stage resistor built in so it gets a pwm signal for activation and speed. 41 of the time it s coolant leak water pump radiator hose etc.

From below check fan shroud clearance at radiator if needed gently lever fan away from radiator then slide down and lock into place. Cooling fan problem solved bmw e36 318i. While there are a variety of reasons your bmw 335i is overheating the most common 3 are a coolant leak water pump radiator hose etc the radiator fan or a failed thermostat.