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
2013 Estoril Blue 335i xdrive | Msport | Coral Red | DHP | ZPP | ZCW | 400M
2011 Jet Black 535i xdrive | ZPP | ZSP | ZCW | 6FL | NAV | 331s Square
2009 MBM 328| ZPP | ZSP | ZCW | CA | 6FL | NAV | XENONS | 18x8.5 VB3s ET30/25 SOLD