🦫 Bmw E90 Heater Fan Not Working

Thank you for the previous links for the FSU and auxiliary fan troubleshoot. I do not think it is the auxiliary fan because it shuts off when I take out the heater blower. The auxiliary fan (fan at the very front of the car by the grill) is turning on and off normally. The air that continues to blow is by the fan filters near the relay box. Fuel heater (Diesel) F67: 50: Blower output stage: F68: 50: Vacuum pump relay: F69: 50: Engine cooling fan: F70: 50: Secondary air injection pump: F71: 20: Trailer socket: F72 — Not used: F73 — Not used: F74 — Not used: F75 — Not used: F76 — Not used: F77: 30: Fuel injectors Ignition coils Interference suppression capacitor: F78 5. Turn the car on and check all fan speeds for noise, repeat the above until fixed. Note - If the fan is seized you may be able to free it off manually through the louvres under the hood. WARNING Ensure your engine is off when doing this otherwise you may injure your fingers if the fan suddenly starts. BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > E90 overheating, can't find problem. Google Search Search Forums WHY RADIATOR FAN IS NOT WORKING ON BMW E90 E91 E92 E93. CAR OVERHEATSIf the radiator fan is not working on your BMW e91, e90, e92, e93 we will explain a few Engines used in BMW E90 automatic transmission models hold about 8.2 liters of coolant, manual transmission models hold 8.4 liters. In this article, I'll go over the steps involved with replacing the engine coolant on the BMW E90 models. Be sure to work with a cool engine and confirm the cooling system lacks pressure before opening cooling system. 1. Pull the female terminal connector from the dual-temp switch. 2. With a voltmeter and the ignition turned to the run position, check between terminal 1 on the female connnector and ground for 12V. 3. Turn the ignition off and rig up a jumper wire between green/black and and black on the female connector. 2009 BMW 335i Sedan [0.00] Make sure that the fan is not obstructed. If not and the fan is getting correct voltage and a signal then the fan motor is probably shot. I've consulted the Bentley manual and it doesn't indicate recoding is necessary if the fan is replaced. If it does, this might be the issue as well. 186 posts · Joined 2013. #2 · May 17, 2016. Unfortunately, these cars are not "plug and play". The replacement seat module more than likely needs to be coded to your car in order for your car to recognize it. Search on craigslist in your area for "BMW coding" to see if anyone has the proper programs for reprogramming modules. 3) Remove the right-side heater duct work. 4) Remove the blower unit. 5) Swap the motor controller electronics from the old to the new unit. 6) Re-install the new blower unit. 7) Re-install the heater duct work 8) Re-install the lower dash panel. Instructions: 1) Remove the Passenger side lower dash panel: a. Slide passenger seat all the way The passenger side would blow cold air with the A/C on, but the driver side would be only mildly cold to ambient temperature. I took it to a BMW shop and had them recharge the system. It fixed the issue. Their machine said the system was low, evacuated the system, and then refilled it per BMW specs. 20 lovely c6 corvette wiring diagramRadiator fan diagram C4 corvette q&a: starter relay, cooling fan relay, wiring diagramCorvette cooling. 1989 corvette heater wiring schematicC2 heater blower connections Wiring schematic request for dual fan upgradeBlower motor with a/c wiring diagram. Check Details. Corvetteforum corvette. Fan ac working c4 rLGuADs.

bmw e90 heater fan not working