What do I need apart from the bumper to change from a 2001 to this bumper?

Do you know the cost of the parts?

I assume new fog covers would be the ne thing for sure, but do i need to change the fogs themselves?

Please let me know i would appreciate it.

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Niagara
2001 4.4i X5
Black Sapphire
Sport package
X5world DIYS Mods so far:K&N filter AC Schnitzer aluminum pedals, Piaa Super Plasma Fogs, M5 steering wheel, Chrome exhausts,Chrome gauge rings, Brembo rotors, powder coated calipers, replacement accessorize tray, replacement center console insert, IceLink Plus Ipod, X-pipe, Chrome staggered style 87 20' wheel's

Future MODS 10" Sub in rear, figure out how to replace stupid Business CD with monitor, lowering springs