How to fix BMW 318i blower Fan control not working.

First you must figure out electrical wiring digrum of the blower motor circuit. Check FSR fuse which is inside the passenger side (Right hand drive) of the glow box. you have pull put glow box and check the fuse .Than check FSR (Final Stage Resistor) power and ground. Pull off FSR wire connector and check + & - for FSR .That wire has 5pin ..2x for +&- to FSR , 2x for +&- to blower motor other 1 comes from temp sensor. You can check the blower motor using direct power supply . If blower motor working properly and if there is power for FSR defaneetly problem is your FSR assy .

Видео How to fix BMW 318i blower Fan control not working. канала Manjula Fernando