Had diesel fumes permeating from the engine compartment and seeping into the cabin. brought it to the dealer and they discovered and replaced a leaking diesel exhaust cooler. Problem fixed.

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Current Rides:
2011 X5D Loaded (Oil Burner)
2012 VW Passat SEL TDI (Oil sipper)
2008 Honda CBR 1000
2007 Harley Davidson Sportster XL 1200

Retired:
2010 Mercedes GL350 (in the shop too much)
2009 335D
2008 Audi A6 3.2 Quattro loaded
2005 BMW M3 Black compertition Pkg with Nav