my neighbour has done exactly the same mods to his 2005 X5 3.0D Sport, even down to same chrome reg plate surround. His X is Graphite Grey so the chrome isn't as bling as it would look on a dark car.

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2006 E53 X5 3.0D Sport Carbon Black, Premium Sport Package, Exc Light Beige Nappa Leather, Titanium Grills & Vents, Titanium Interior, Titanium Skid Plate,
Mk4 Sat Nav, TV, Bluetooth Comms Pack, 20 Inch Rims, DSP, Flared Arches, Heated Seats, Tints, De-Badged