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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > What are the mpg returns with the bms tune?
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      03-01-2013, 03:07 AM   #1
328fresh
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What are the mpg returns with the bms tune?

What mpg's have you folks been seeing with the tune on?
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      03-01-2013, 03:28 AM   #2
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Quote:
Originally Posted by 328fresh View Post
What mpg's have you folks been seeing with the tune on?
I have heard your mpg stays the same. Some might have seen less only because they're pushing the pedal a little too much and enjoying the tune
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      03-01-2013, 08:20 AM   #3
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^^This.... Same thing happened when I put my DP in. I though MPGs dropped by 2 but then I realized that my foot was always in it. Settled down my driving and mpgs went right back up.
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      03-01-2013, 10:42 AM   #4
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I am driving it a bit harder, averaging 26-27 instead of 28-29.
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      03-01-2013, 10:50 AM   #5
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Usually the first few tanks you get lower mileage as you are hitting the gas more then you would normally. After that mileage pretty much stays the same in terms of MPG as before the tune.

Mike
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      03-01-2013, 12:00 PM   #6
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I'm averaging about 21mpg, 23 at best
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      03-01-2013, 05:40 PM   #7
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So what's the deal with our 328i fuel economy. Some people average about 21, and others swear by 35. If I drive purely in city without worrying about mpg, I average 22. That's the same I get in my X5 diesel. And that's rated 4mpg less by epa. So sad
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