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BMW 3-Series (E90 E92) Forum
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Huge HVAC issue, everyone is baffled-please HELP
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10-28-2024, 06:52 AM | #1 |
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Huge HVAC issue, everyone is baffled-please HELP
Hi everyone, I hope you can help me because everyone is baffled by this!
I have a 2006 e92 335i with an n54(if that matters at all). It has developed a really weird heater fan issue a few months ago and I don't know how to fix it, and it's getting urgent since it's raining all the time and frost will become a problem rather soon. The fan/resistor died, I ordered new ones to change out but in the meantime, BMW sent out a letter about a safety recall(something to do with fan wires melting and causing a fire)-so the car went into BMW to get the safety recall work done. Once BMW gave me the car back, I changed the FSR and fan itself in hopes of that fixing the issue but it didn't and here I am months later, scratching my head. The fan works with the key in the ignition slot and ignition turned ON, but the second I switch the actual engine ON, the fan stops working. I have been to an auto electrician, who said the wires, fan and FSR are fine, and he believes it could be the climate control panel shorting out-so I bought a new one and changed it out, nothing changed. TLDR: Heater fan(regardless of setting or AC) works with ignition ON, but shuts off when the engine starts. Any help and ideas would be appreciated, thank you! |
10-28-2024, 02:27 PM | #2 |
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You would be better off going to the general forum with this question .
This is suppose to be the audio sub forum . There are more answers and expertise on this kind of question on the main forum for e90's So what is the issue? How do you know it's not doing what it's suppose to . |
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Yesterday, 05:17 AM | #3 | |
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Quote:
The issue is clearly stated. HVAC works with ingition ON but engine OFF. The second the engine is turned ON, HVAC turns OFF and won't come back on. How do I know it's not doing what it's supposed to? Show me one car designed to not let you use aircon, defrost or HVAC while driving. |
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Yesterday, 02:30 PM | #4 |
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there was topic with similar issue on this forum
use the search or google search with focus on e90post.com
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E81 2007 130i 6cylinder Montego blue
Retrofits: Harman Kardon, High-beam assistant, Removable tow hitch. Auto-dim folding exterior mirrors. Lumbar support. Perfomance Brakes. |
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Today, 12:27 PM | #5 |
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Trust me, I searched many forums, everything that may potentially be a solution as I've had this issue for over 3 months now and been trying to get it fixed
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