This is the one I have :

http://amzn.to/2BXomXa

The rca from the camera hooks to the rca in the Seicane harness.

The red goes to the antenna or amp wire from the Seicane.

The ground goes to any ground you want.

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Just BMW's - All cars and trucks was two pages long
1994 318is
1997 528i
2000 323i
2001 X5 3.0 auto
2005 X5 3.0 auto
2011 535xi auto
2013 X5 xdrive35 Turbo
More are at my website

Aftermarket E53 Radio Install