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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > Navigation, iDrive, Audio, Video, Bluetooth, Phone, Cameras, Electronics > auto start/stop and speakers.
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      01-18-2013, 02:04 PM   #1
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auto start/stop and speakers.

has anyone noticed that with the engine turning off at a stop automatically and coming back on after you let off the brake, if you have your audio volume up somewhat loud the speakers pop when the engine comes back on (the audio briefly drops because it seems idrive temporarily loses power when coming back on)? it's pretty jarring.
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      01-18-2013, 05:40 PM   #2
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I notice that when the car start again it loose all the power, as you expect from starting an car. Haven't notice the audio pop.
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      01-18-2013, 07:41 PM   #3
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I've had music playing at various levels from normal to very loud and never noticed any sounds or breaks when the car shuts off or restarts. The only thing I've noticed is my wipers stop briefly when the car restarts if they are going.

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      01-22-2013, 03:44 AM   #4
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I have this exact problem. only happens sometimes though.
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