You'll need to visit your dealer for recoding if your original seats have active headrests (i.e. once you've unplugged the cable and swap for a new headrest, the airbag warning light will stay on permanently)

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'07 X5 3.0d - Black Sapphire Metallic / Camel interior
Specs: Sport pack, Executive, 7 Seats, OEM 336, Hifi
Mods: Aero Kits, Titanium grilles, 4.8i exhaust, Tinted, ///M Footrest, OEM Sport pedals, OEM Rubber mats, OEM Sunshades, LCI Taillights