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Final Stage Resistor Failing? Final Stage Resistor Failing?
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Old 03-03-2018, 10:14 PM
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Final Stage Resistor Failing?
My interior blower fan is now intermittently shutting off when I'm using the HVAC. Is intermittent operation indicative of a failing FSR? If so that is quite annoying because I replaced mine a year and a half ago. Anything else it could be?

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Old 03-04-2018, 10:11 AM
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When mine started doing that it ended up being the fan itself. It's lots of fun to replace.
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Old 03-04-2018, 02:30 PM
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I just replaced one in an E46.. It wasn't hard, just literally had to bend in about 9 places to get into the space to get it done. I don't know if the E53 is similar to the E46, but here is my guide just in case.

https://youtu.be/ZvzOzDD0-AA
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Old 03-04-2018, 10:56 PM
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Quote:
Originally Posted by raichean View Post
I just replaced one in an E46.. It wasn't hard, just literally had to bend in about 9 places to get into the space to get it done. I don't know if the E53 is similar to the E46, but here is my guide just in case.

https://youtu.be/ZvzOzDD0-AA
E46 is relatively easy. On the E53, the entire dash needs to come out. I think it took me about 14 hours, but I was methodical about labeling things.
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Old 03-05-2018, 12:28 AM
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Originally Posted by RenaissanceMan View Post
My interior blower fan is now intermittently shutting off when I'm using the HVAC. Is intermittent operation indicative of a failing FSR? If so that is quite annoying because I replaced mine a year and a half ago. Anything else it could be?

Thanks-
that's one symptom of a failing FSU.
you have more space on the x5 and relatively easier than the e46 or e39.. what brand of FSU you bought?


https://www.youtube.com/watch?v=XyuDw6wl2gU




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Old 03-05-2018, 10:42 AM
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Originally Posted by Scott ZHP View Post
E46 is relatively easy. On the E53, the entire dash needs to come out. I think it took me about 14 hours, but I was methodical about labeling things.
Oh fun. I can not wait until it is my turn.
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Old 03-05-2018, 08:00 PM
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Originally Posted by squidzilla View Post
Oh fun. I can not wait until it is my turn.
It's actually not that hard; just a large amount of stuff to remove to get at it. I'm guessing a pro could do one in under 8 hours.
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