This symptom indicated a failed final stage resistor on the older models (E39, etc.), but likely indicates a failing regulator on this vehicle. It's located behind the blower fan. It's now on my growing (and sometimes shrinking) list of things to work through on my new to me vehicle. 2007 X3 6MT; 2022 M3 Base.
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Aux fan is activated by a pressure switch on the low pressure side if the AC system. My fan began running slow when the system needed to be topped off. Once the low pressure reading was over 40psi on a 90 deg F day the fan sounded like an F4 Fantom at takeoff .
2014 BMW 335i [0.00] You should check to see if your compressor is kicking in. Open the hood, start the car and leave the A/C off. Next, listen from the engine compartment while you have someone turn the A/C on and set it to the lowest temperature. You should hear the compressor engaging.
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Not so obvious parts are the engine water pump (See Photo 3), engine thermostat, fan speed control or, as BMW calls it, “final stage” and the on-board diagnostics system. They all contribute information to allow the processor to regulate heat or A/C operation to control temperature throughout the car’s interior.
The most common causes that hinders normal operation of air conditioning system on your BMW 750i are dirty cabin air filter, refrigerant leak, dirty or clogged condenser, dirty or clogged evaporator, bad blower motor, defective compressor, faulty blend door actuator or any fault in the electrical system. 1. Dirty cabin air filter.
calwesttrailer Discussion starter. 4 posts · Joined 2012. #3 · Nov 14, 2012. battery went dead. charged it up to use for a few days then replaced the bat. but after battery went dead and re charged, the fan would only work on slow speed and the ac snow flake wont come on. this is all i know of that is not working. i found a post on this prob
BMW X5. The most common reasons a BMW X5 ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. 0 %. 37 % of the time it's the. I have a bmw 2003 530i. the blower does not work. fuses 9, 20, 75 & 76 are checked and ok. there is cold air coming from the vents as i drive down the road, (forced air very little). All controls seem …
BMW 528i xDrive. The most common reasons a BMW 528i xDrive ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. 0 %. 37 % of the time it's the.
The most common causes for AC not cooling properly in BMW X1 are low or overcharged refrigerant, compressor malfunction, clogged cabin air filter, dirty condenser or evaporator coils, dirty or sluggish blower motor, and bad fuse or relay. Less common causes are clogged expansion valve or orifice tube, overcharged oil, faulty blend door actuator
hi Nick. AC on my 2000 Z3 Roadster quit on me. Noted a blown aux fan fuse, hence electric fan not working and clutch not engaging; believe to be lose connection on fan. After repairs, fan and clutch working ok when AC sw is turned on. Blower fan works on all speed. When on Max heat, it is really hot. When on AC, blows hot air. Ref pressure full. The most common reasons a BMW X3 radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. 0 %. 45 % of the time it's the. Don't get excited too soon! That DIY by "PENER" on bimmerforums is for 1997-98 models. Your 1999 model has a different setup. Search for info. Very often the whole assembly has to be replaced. But again check to be sure that the Aux Fan is the culprit. The 1999 Aux Fan is pricy though, about $320-350 range or so.
Air Conditioning not working? AC not blowing out cold? In this video I show you some quick easy tips on how to get your AC in your car to start working again
