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      06-19-2025, 07:28 AM   #1
Jerry_inPNW
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Drives: 2021 M235i (F44)
Join Date: Mar 2024
Location: Washington

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Subwoofer turning off (2021 M235i)

The subwoofer occasionally cuts out for a second or so. Not very often, perhaps once/twice an hour. Up until now, not often/long enough for me to investigate. The other day though, when I left work, the moment I turned on my car, (cold) I had no subwoofer; it was like that for the entirety of my short trip home (about 10 minutes, 68 degrees). The next morning, the subwoofer was fine again.

I'm not sure what could be causing the sub to stop nor where to look. I don't know where any of the stereo components even are.

I've had this car for about 16 months and this has been the only issue. Last owner ticked all the options (except seats) so as far as I know it has the high end H/K system for the F44, whatever that is. I assume it's used in other BMW models too. It sure sounds good.
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