I have a N54 E92 with a JB4 and it gets great mileage, 22 in town (no traffic) and 26+ highway just above the speed limit. Will get consistently over 30 at 60 mph. The few seconds you bury your foot, yeah, it will suck gas at a ridiculous rate but off boost it’s just a 3 liter, like a 328. There’s also a map in the…