🌗 Bmw E90 Heater Fan Not Working

In this article, I'll go over the steps involved with replacing the water pump on BMW E90 models. Be sure to work with a cool engine and confirm the cooling system lacks pressure before opening cooling system. Remove engine splash shield. See our tech article on splash shield removing. Drain cooling system. 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 I have a 1999 BMW 323i which the ac was working perfectly fine. My instrument panel for the ac/heater blipped and went black, which shut down my ac. Now nothing turns on, defroster, ac, heater, fan speed, temperature control; nothing lights up. I checked the fuses and they are all fine. Anyway I could have a blown HG sure but I wanted to bleed system to make sure no air in system first because if heater isn't working then there is still air in system. So followed instructions. Press key fob into ignition, turn on ignition, don't touch brake, turn heater temp to full, fan speed to 1 and press /hold accelerator pedal for 10 seconds. The heater fan doesn't work and it's not the controller/resistor pack/Output Final Stage (new one fitted B64.11.9.146.765) and not the fan (works fine with 12v applied) and not the wiring to the climate head unit. The power and earths to the fan controller also check out fine. The fault code from the scanner is 9C97 Front Stratification 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 g 2When the ignition is on, set the heater to the highest temp (84 deg.) and set the fan on low. 3.Hold down the accelerator pedal for 10 seconds then release. This activates the water pump and it will cycle for about 12 minutes to vent all the trapped air into the coolant reservoir (it sounds like a min washing machine). 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 BMW E92 3-Series (2007-13) BMW E93 3-Series (2007-13) Project Time: 2 hours. Tab: $150. Talent. Tools: Flathead screwdriver, trim panel tool, T25 Torx driver. Parts Required: Clock spring, turn signal / wiper switch. Performance Gain: Repair faulty switches or clock spring. Complementary Modification: Steering column trim panels also covered in The one in the link is the AUC sensor which monitors outside air quality for the auto recirculation function.. the interior sensor is located in the IHKA control panel right by the fan speed buttons. Located in the module behind the little screen.. hope this helps. edit: and as for no heat, I've never seen one of these sensors cause said problems. 1. I set the auto settings to max power (of the three levels provided) 2. I have turned off the rear vent (since nobody usually is in my backseat) to get more power in front vents. 3. I brought the car in to dealer and they tested the a/c levels and said its working fine. BMW E90 Thermostat Replacement – 2007-2013 3 Series – N52/N54/N55. By Staff Writer. September 17, 2020. 0. 43658. Affiliate link disclosure – The BMW Repair Guide uses affiliate links in their site. For more information on affiliate links, please click here. Repair Summary. Repair Difficulty and Cost. Conversely, twisting the knob all the way to the heater’s highest “4” setting was tantamount to opening the doors to 765’s firebox. That quick little bit of troubleshooting told us that the heater core was good and that the blower motor had power—the fan just wouldn’t work at the “2” fan speed. Location: Virginia Beach, VA. iTrader: ( 3) Garage List. 2006 BMW 330i [0.00] Cooling Fan Always Running. Hey, I did some searching but didn't find the exact issue on an e90 so wanted to post here. Yesterday I noticed my cars cooling fan was running at full speed on the highway and even in stop and go traffic. Outside temp was 62 degrees. mattmar1. 7608 posts · Joined 2014. #4 · Oct 29, 2020. there are 5 "flaps" under the dash controlling air flow thru the ac/heater box, all controlled by stepper motors. if one of these faults, it will usually show up as an IKHA code. as youre getting full defrost heat, but not getting full heat output from the dash vents, id check the .

bmw e90 heater fan not working