I've been paying close attention in the past week of diesel fuel availability around where I live, and happy to report that I can get it at $3.09 within 1.5 miles from my house, and for $2.89 within 4 miles... And there is even a place 2 miles away which sells it for $3.29, but open 24x7, which will work for emergencies...

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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