Hi all -

just spent a couple of hours tracing all the connections under the radio rack, amp and subs (4.8iS) to try and eliminate a random loud popping noise which happens every several seconds, interspersed with white noise hissing from the subwoofers.

Chased all the connections but everything seems sound, however the fact that there is intermittent white noise leads me to suppose that the DSP amp is no good.


Thoughts??

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2006 X5 4.8iS (facelift) in Imolarot + Ivory leather & alcantara headliner
1999 E46 323i in Imolarot II + Grey nappa
1990 E30 320iSE Sterlingsilber