My wife and I also got tired of dirty pant legs and I swapped them out for a set of OEM side skirts

Running boards



OEM side skirts





There is a composite support structure under both running boards and the side skirts you need to replace them when swapping. Other than that it's easy it took me about 30min in the drive way to do it.

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X5M Eisenmann exhaust, de-Catted down pipes, 22" HRE wheels, ECUProgram stage II (700hp) tune
X5 35d Tuned and Lowered