After hours of research, none of these aux options work with my E53.

The cassette option I have does not support an aux adapter to achieve the input capability.

E53 RiPPeR
XOuTPoST jUNkiE
ReVELaTiON 22:21

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02 BMW 5 Speed Supercharged Ethanol Burnin Meth Injected E53