well at i'm at 51k+ other than regular maintenance so far i changed stablizer links, cv boot, passenger door handle carrier(shitty piece of technology from BMW). anyway still love my beast.--- and now to entice you into individualizing your X here are some of my mods= HID fogs, Xpipe, eisenmann race exhaust, full LED interior, chrome cluster rings, 20" rims staggered, lemanns fender flares, wheel spacers, painted calipers silver, all glass tinted even the pano-roof, 3M cf wrap steering wheel trim. and other interior parts ect. and still planning more. lol