Before anyone says "Search" I have, which is why I do not post much.

Now, ever since I bought the X5, I've had this issue where the radio would go in and out, like the amp is being turned on and off, for a brief second, I thought it might be a ant amp problem, so I replaced it today with a new one, same problem, it's either in the headunit or the wiring. Anyone else with this problem?

The station kind of pops off and on when it does go out.

No, the rear has not been tinted.

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'02 X5 4.4 - 67k miles
'01 RX300 - Wifey's, 74k miles
'92 325i - My classic (Dinan S1 susp, clears, M3 kit, M3 exhaust, M3 Double-spokes, 216k miles)
'93 318is - Gave to niece