Brakes pads are not that difficult to change. You can do it yourself if you have the tools and some know how, or find a reliable shop. Just make sure the wear sensor is changed too, and check your rotor thickness. Do a search for lots of write ups re changing pads.

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'06 X5 4.8is, TiAg/black, cold weather pkg., comfort seats
'07 750Li, TiAg/black, sport pkg.
'05 Ford F350 silver met./slate gray, Lariat, 6.0 PSD, CC, DRW, FX4