You guys are scaring me now... I do have 2008 though, so might not have the same "bad batch" sensor, but my CEL came on around 3 weeks ago, stayed for 10 mins and then went off after I've shutdown the car, re-tighten the fuel cap, and then restarted the car. It was ~30 miles after a fillup, and I was running the engine during fueling, so I just hope it was related to that and nothing more serious... I have a 1000-mile trip coming up in 2 weeks up to Killington VT, gotta have my X for transportation so that I can fit all the stuff wife packs for her and 2 girls

That being said, I have 2010 335xi on order (just finished build and is en-route to port), and there are LOTS (and I mean LOTS) of issues with the high pressure fuel pump on those. I mean some people change them every 3000 miles.... Dunno, now I am just to anxious about BMW reliability, perhaps need to go back to Honda

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His : 2013 X5 3.5d Deep Sea Blue/Black/Aluminum with ALL packages, 20" 214"s, running boards, Adaptive Drive, Spare Tire, BMW Apps
On Order : 2016 X3 3.5 MSport Silver/Mocha with DHP, CW, Prem, Tech, DA, Lighting

Hers : 2015 328xi MSport Silver/Red

Prior:
2008 X5 4.8
2011 X5 3.5d
2010 335 xDrive
2013 335 xDrive