iirc the original (college) study which found VW emissions were way higher than they should've been also found that a BMW diesel produced the book figure Edit:

iirc the original (college) study which found VW emissions were way higher than they should've been also found that a BMW diesel produced the book figure Edit: Ah - "Vehicle C was fitted with a 3.0L turbocharged in-line six-cylinder engine in conjunction with an aqueous urea-SCR system and DPF for NOx and PM control, respectively" from here[0] page 25 [0]http://www.eenews.net/assets/2015/09/21/document_cw_02.pdf http://www.eenews.net/assets/2015/09/21/document_cw_02.pdf