Its been a good 2-3mpg lower since the 2nd recall in my case. I also have an '12 X5d and it gets its advertised mpg and probably had the updated changes including no dipstick since I have in the 335d.
2011 BMW 335d MSport [Pilot Supersports / no runcraps]
2012 BMW X5 35d [Continental DWS / no runcraps]
2013 Mistubishi Lancer Evolution GSR [Cobb Stg 3]
And a little Burger Tuning for my diesels.
Last edited by mt3ch; 10-27-2012 at 10:53 AM.