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Old 11-30-2004, 02:19 PM   #1 (permalink)
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Whasup fellow bimmer buds,
I was wondering if anyone else encounters the noise that sounds like a vent SLAMMING itself closed or open about 8 seconds after I turn on my fan/heater/or ac. its a lot more noticeable at really low speeds (5-35 mph). Is this healthy for my car? Any feedback would be greatly appreciated!

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Old 11-30-2004, 03:12 PM   #2 (permalink)
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thats a hard to understand. but if i understand correctly............. (which i dont) i dont think so, my car does do that. and ive not really come across any other threads similar. does it affect anything? or is it just a noise?>
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Old 11-30-2004, 07:08 PM   #3 (permalink)
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Mine did that when I shut it off...that vent closing noise about 10 seconds after I turned off the heat/AC...and it only blew on high no matter what setting...I replaced the final stage unit...all good..
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Old 11-30-2004, 08:54 PM   #4 (permalink)
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sup check if your ac actually works because mine doesnt because the previous owner tried to retro fit an R134A system which is better from what i am told because it is a newer system but he did not do it properly... so now i am looking for a new ac compressor or pretty much the whole system but the ac compressor seems to be the only thing with a problem..i think my problem is very similar to yours because my car also makes rattly noise at start up and low rpms mostly

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