You can find the aftermarket lips on fleaBay for a couple hundred bucks but if you want to keep it factory, replacing the bumpers with used parts as Stephen points out is the way to go.

I replaced my front and rear with factory 4.8iS bumpers and are substantially more investment but everything fits perfect and looks absolutely factory.

Here are the aftermarket parts listed on fleaBay:

https://www.ebay.com/itm/BMW-x5-e53-...MAAOSwdwlcelxB

https://www.ebay.com/itm/BMW-X5-E53-...AAAOSwWiJcemjP

I spent about $500 for each of my used 4.8iS bumper replacements and with prep and paint, probably another $500. A quick search of fleaBay shows several front and rear 4.8iS bumpers listed currently at that cost.

https://www.ebay.com/itm/04-05-06-20...MAAOSwnu1eWtaW

https://www.ebay.com/itm/BMW-2000-2006-E53-X5-4-8IS-4-6IS-SPORT-REAR-BUMPER-COVER-PANEL-ASSEMBLY-OEM-83K/323670752516?hash=item4b5c47bd04:g30AAOSwZlZaQ2v j

__________________

• 2004 E53 X5 3.0 ZSP (4/04 build date) Jet Black exterior/Sand Beige interior
• 2002 E46 325i ZPP (2/02 build date) Alpine White exterior/Hell Beige interior

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