Thanks for the link. It does look rather complicated. I tried to see if the dealer could just remove the running boards, but he said it was not economical to do. I guess he was right.

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2008 X5 4.8i, Premium Pkg, Sport Pkg, Climate Pkg, Technology Pkg, Auto Liftgate, Sat Radio, Heated Seats, Ipod Adapter.

2004 525i, Prem. Pkg, xenons, bluetooth.

Retired: 2006 X5 4.4i, Premium Pkg, Sport Pkg, Cold Weather Pkg, Climate Pkg, Upgraded Sound Pkg, Navigation, 19" Star Wheels