is it the bmw dvd player or an aftermarket one?
next question, do you have the audio signal of the dvd player split to more than place? perhaps, aux input and the speaker on the monitor? if so, try disconnecting the rcas leading to one of the sources and see if it has a whine. isolate the noise. the dvd audio signal is very weak and spllitting it will almost always produce some whine.
you might want the installer to install some kind of signal amplifier.
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Originally Posted by cwilliams21
Hi there,
I recently installed the AUX port cable supplied from BMW a few weeks ago, and had a ceiling mount DVD player installed. I'm experiencing allot of engine/buzzing noise thru my speakers while accelerating. I had the technician check the location of the DVD players ground and he said where it is it seemed to be fine. He also installed a RCA filter between the AUX and the DVD player in hopes it would clear it up, but that didn't do much good. Has anyone with this setup experienced this issue and know what to do to resolve it, it's driving me crazy!! 
Thanks |