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Seems like the discussion stopped long back on this issue. Hope someone found a fix or reason for this.
I recently got a m340 (one month old) and has the HK system. Noticed the speaker distortion when I accelerate hard. Especially in sport mode. Sound is more like a crackling noise.
A few weeks ago I noticed the system randomly lost bass and audio was flat. After I stopped the car, locked and waited for a powercycle. Audio was fine after I started the car. Did not repeat since then.
Not sure if anyone got a resolution for this. Wanted to check here before I can take the car in for service advise.
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