Screw BMW... Joker company ......they always have these issues with fuel or something other. Sue them and reach a lesson.
BMW take your junk M5 back and refund my money. Recall ....my ass.
2012 X5 35D.
2013 M5 ~MCB / Silversone II full~Exec Pkg~20' wheels~B&O~Xpel Ultimate PPF. - Sold !