Basically all of the plug and play camera ideas only work on vehicles that the item your replacing goes directly into the trunk lid.

The E53 X5 and my E46 323i have a lip that bolts onto the trunk/hatch lid. None of the off the shelf gadgets will fit cars that use that lip to hold the lights/handles. Only ones that go directly into the trunk itself will work with them.

For instance my wife's 528i has the tag lights that bolt into the trunk itself. No lip assembly. All of the bolt on gadgets work with her car.

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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