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      09-22-2020, 08:21 PM   #44
gphung
First Lieutenant
Canada
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Drives: 2018 M2 LBB - 6MT
Join Date: Jan 2019
Location: Toronto

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2018 BMW M2  [0.00]
So today, my amp decided to stop pumping out any bass at all, regardless of what tone settings I had setup on iDrive (I had bass -1 as I found F45 to be a bit too boomy, was too lazy to code it back to stock). Anyway, I tried resetting iDrive by holding the volume/power button down for ~30 seconds, tried pressing the Reset button in the tone page, tried disconnecting/forgetting my iPhone from ACP, tried connecting my wife's phone (BT never been setup with her phone before btw) to rule out my phone; nothing.

I kinda panicked a bit and thought maybe the subs were gone because of the F45 coding, but I tried one last thing and that was to code the amplifier settings back to F87/F22_New, and the bass came back. Was worried I'd have to make an appointment with the dealership lol. I think I'll be leaving it in F87 as some of you have also mentioned, not just because of this hiccup, but I think I do like this sound profile a bit more than F45.
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