Problem with E90 Air Condition. 3 months ago i had to unplug the A/C in my E90 (2008-316i) to do some repairs. Since re-install the A/C was not working well as before & giving normal/very slightly cool air; so i went to check & i found that the amount of R134a freon gas was not charged correctly it was about 350 grams only instead of 590 gm
After a few minutes and cycling the AC off / on, the right vent started blowing normally. Then a little while ago, I was driving to work - it's 58 degrees out - and I set the temp on Auto and 73 degrees for both. In my F30 328i, 71 - 73 has always kept things comfortable; 74 if it's cold.
2. Unplug the fan and either unhook the blade guard or unscrew the pin. Pull the fan’s electrical cord out to keep it from turning on randomly while you’re working on it. Feel around the sides of the blade guards for clips that are holding the 2 parts together. If there are clips, unhook them and remove the front half.
The ABS/ASC Failed, in snow days, after weeks of parked, it works now. Had a coolant leak in a hose in the rear of the engine, fixed yesterday. Since that snowy day (or a few days before it) my interior heater blower stopped working, first instinct, checked the fuse, but the fuse is okay. Everything in the climate control console works fine. This 1997 328i four door. e36. First fan & dash AC / heater control was was intermittent (thought it was loose plug), remember that if you put pressure on carpet with right foot near gas pedal fan came on and went off, and eventually it then stopped all together. AC control panel is blank (no lights, no operate), fan not on, pressing on all 2011 bmw 750li ac not blowing changed fan was told fan controls condesor and other parts. Is there another fan I should check. Comes on intermiten, the ac. New fan kick in for a bit then quit. No flow … read more
The average replacement cost of a blower motor resistor is between $90 and $175. Expect to spend about $40 to $100 on the part and another $50 to $75 for labor if you can’t perform the replacement yourself. However, you should bear in mind that the most common reason for a bad blower motor resistor is due to a bad fan motor.

TheEinstein. When the A/C is running, the low side (larger of the two A/C lines) should be sweating. If no moisture accumulation (condensation) is appearing on the line, it may not have a pure refrigerant charge. If it is covered in frost after running, that is a sign of low refrigerant pressure.

BMW 735i 1990 Heater/Ac Fan was working and now will not come on, happened once recently and have checked all fuses in compartment under hood. Switches light up but blower not coming on at any speed. … read more mGByFpN.
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    • bmw ac fan not working