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www.fueleconomy.gov - the official government source for fuel economy information

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    Your Mileage Will Still Vary

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    • Learn about vehicles and technologies that are pushing the fuel efficiency envelope.

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    Where the Energy Goes

    • Only about 14%–26% of the energy from the fuel you put in your tank gets used to move your car down the road.
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Compare Old and New MPG Estimates

Model Year: 2003

Make: BMW

Select Model...

CARS

  • 325ci
  • 325ci Convertible
  • 325i
  • 325i Sport Wagon
  • 325xi
  • 325xi Sport Wagon
  • 330ci
  • 330ci Convertible
  • 330i
  • 330xi
  • 525i
  • 525i Sport Wagon
  • 530i
  • 540i
  • 540i Sport Wagon
  • 745i
  • 745li
  • 760li
  • M3
  • M3 Convertible
  • M5
  • Z4 Roadster
  • Z8

SUVS

  • X5
  • X5 4.6is
  • Old vs. New Ratings
    • 2008 Ratings Changes
    • Compare Old and New Ratings
  • Your Mileage Will Still Vary
  • Fuel Economy Tests

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