i cruise 40miles round trip to work and back and average 21.9mpg. On a trip to Mass, i averaged 26mpg at 77mph. These I6s suffer less than stellar mpg on city driving.
Sidenote, non-runflats made a difference of .2mpg
328| ZPP | ZSP | ZCW | CA | 6FL | NAV | XENONS | 18x8.5 VB3s ET30/25
2011 Jet Black
535i xdrive | ZPP | ZSP | ZCW | 6FL | NAV | 331s Square