BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Fuel consumption with CAI?

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      12-01-2008, 11:32 AM   #1
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Fuel consumption with CAI?

Has anyone noticed any differences in fuel consumption while using any of the cold air intakes? ie. Vishnu dual cone or Burger motorsports. I know that when driving spirited it will go down but has anyone noticed any changes while driving on the highway at a steady state?
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      12-01-2008, 11:50 AM   #2
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I have the AFe dual intake and I average somewhere between 24-26 mpg when driving normally.About 18-20 mpg when I put the hmmer down.
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      12-01-2008, 01:20 PM   #3
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It's difficult to gauge because with the CAI, I tend to drive the car much harder but with that said, there should be a slight gain in mileage with the intake.
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