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BMW 3-Series (E90 E92) Forum
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Popping sound
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06-28-2018, 09:04 AM | #1 |
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Popping sound
I have the HiFi (Option 676) option in an E92. It is making a sub-woofer popping type noise when I wake the car up, (even if the car is not on). The radio also sounds terrible. Anybody have a clue what is going on with it and how to fix it?
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