545i gas mileage
Originally Posted by phocker' post='633230' date='Jul 26 2008, 03:03 PM
545 owners,
what are you guys averaging in gas mileage? ive been doing 18.5 on the highway...i know i can get better than that, but im so tempted to drive with a heavy foot
what are you guys averaging in gas mileage? ive been doing 18.5 on the highway...i know i can get better than that, but im so tempted to drive with a heavy foot

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Joined: Jun 2008
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From: Queens/Long Island NY
My Ride: 2006 550i Black Saphire/Black Dakota Leather- Loaded- M5 Appearance Package, Sport Package, Pro logic 7 Premium Sound, Navigation, Cold Weather Package, Comfort Package, Heads-up Display, park Distance Control, Bluetooth, Active Steering, Electric Rear Sunshade, Rear Folding Seats, Front/Rear Heated Seats, Xenon lights, Satelite Radio- Extended Maintenance, CPO (Considering Tire/Wheel Insurance)
24mpg hwy, about 15 city
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From: New Jersey
My Ride: '05 545 Titanium Silver, Black Leather - Nav, Logic 7, Cold weather.
Mods:
Carbon filter removed.
M5 iDrive knob.
Umnitza license plate LEDs.
MP3
40% 3M tint
ACS Anti-Roll(sway) bars
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CF Wheel caps
Originally Posted by Brit_in_NJ' post='633271' date='Jul 26 2008, 07:20 PM
I also noticed that I get max mpg when using 93 octane. I actualy got 2 mpg less when running mid-grade.
The trick to good gas mileage on any car is filling up when the car is at 1/2 a tank. Fuel injectors don't work as hard and sediment from additives don't cause faster burning of fuel from 1/2 to empty. If you don't believe me, try it! Notice how from F to 1/2 you usually get 200 or so miles and then only 85 more from 1/2 to E? Try filling up every 1/2 tank and see. =)
Originally Posted by Brit_in_NJ' post='633271' date='Jul 26 2008, 06:20 PM
whats the ECU remap?
Originally Posted by Howitzer' post='633314' date='Jul 26 2008, 07:46 PM
The trick to good gas mileage on any car is filling up when the car is at 1/2 a tank. Fuel injectors don't work as hard and sediment from additives don't cause faster burning of fuel from 1/2 to empty. If you don't believe me, try it! Notice how from F to 1/2 you usually get 200 or so miles and then only 85 more from 1/2 to E? Try filling up every 1/2 tank and see. =)
i shall experiment! exccccelllent smithers



