We have a 1995 BMW 525i. I need to replace some fuses because the blower for the heat & air conditioning doesn't come on at all. (I looked at the fuse #19 was was blown. Is there a fuse box under the rear seat too? How do I remove the rear seat?
Re: we have a 1995 BMW 525i. I need to replace some
My bmw dealer said that the Mass Air Flow Sensor needed to be replaced. The car would not run. It will start, idle. upon excelleration it chokes and dies. The "check engine" light is on. I disconnected the MAS and the car runs fantastic. SOOOO, I ordered a MAS and installed it. Reconnected the unit and the same problem occured. Is there a fuse relay under the hood or back seat that I can replace? Thanks Gordon
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check the fuse for your blower problem if not the fuse could be a conection on the unit or the blower unit has died. as for the lack of heat this could be cos of the blower or fan motor as i call it not working but could also be your thermostat stuck open or a air lock in the water system
sounds like its turning over but not firring.
I had this problem with my 1992 525i and it was the fuse for the fuel pump. there was no fuel pressure. i have another one and it had the same problem but it was the fuel pressure regulator had failed. this is situated on the fuel rail and has a vacume line attached to it. good luck.
Hi, Sounds like you have tried about everything. Ok the aux. coolant switch is for the electric pump for the heater core will notcause an over heating condition just a longer warm up of the heater core. Has the cooling system been bleed properly if there is a trapped air pocket it will not let coolant circulate. Was the new thermostat installed correctly? They have a vent that needs to be towards the top or they trap air on the back side and cant take an accurate reading to open and close. Other areas to look at would be proper operation of the fan clutch, if they fail they can cause the fan to not lock up properly and supply enough air movement through the radiator. The aux. electric fans and their temp switches do you hear them coming on are they coming on at the right temp.
could be 3 things. The fuse, the motor, or the resistor. Just because it was replaced doesn't mean it won't go bad. It went bad the 1st time. Fuse is more common. As is the resistor, oh and a 4th item...the relay.. Rare for that one to go out though.