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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > 2012-2019 BMW 3 and 4-Series Forums > General F30 Sedan / F32 Coupe / F36 Gran Coupe Forum > ECO PRO on a Road Trip
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      02-20-2013, 08:29 PM   #23
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Quote:
Originally Posted by Hayir View Post
At high speeds eco pro can`t do much. If you are cruising at 75 eco pro and comfort will use the 8th gear and it would be the same rpm. You need the same amount of energy to move the car at 75mph. The only think it can do is may be playing with the climate control.

The picture changes when you go in city driving. Eco pro forces you to accelerate very slowly and shifts much earlier than comfort into the higher gear. Therefore, gives you some more fuel economy.
Makes sense. Now I'll have to repeat the experiment, this time in stop & go traffic.
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      02-20-2013, 08:41 PM   #24
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I only make sure to drive in Sport+, my wife drives it in comfort only.
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      02-21-2013, 12:47 AM   #25
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how do you guys get such good mpg.... Im getting like 260 to a tank on a 328 with a jb tune, and I hardly gas it.
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      02-21-2013, 06:37 AM   #26
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Quote:
Originally Posted by Joshhleee View Post
how do you guys get such good mpg.... Im getting like 260 to a tank on a 328 with a jb tune, and I hardly gas it.
I find this difficult to believe. I get better mileage than that in my Mustang GT 5.0 around town. I'm not light on the gas pedal either.....

Does your city driving include numerous long cycled red lights?
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      02-21-2013, 08:23 AM   #27
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Quote:
Originally Posted by Joshhleee View Post
how do you guys get such good mpg.... Im getting like 260 to a tank on a 328 with a jb tune, and I hardly gas it.
What kinda gas are you using?

Tunes will probably murder any mileage no matter how you drive. 260 sounds really really low, even if you frequently rev it up to 4-6k rpms you should be at 300 mpg minimum. Unless you're definition of "hardly gas it" is "i usually have it at 5k rpm, but I never hit 7k", you may have a gas leak somewhere
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      02-21-2013, 09:12 AM   #28
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What is eco pro?
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      02-21-2013, 09:30 AM   #29
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Quote:
Originally Posted by Tsuyoi View Post
What kinda gas are you using?

Tunes will probably murder any mileage no matter how you drive. 260 sounds really really low, even if you frequently rev it up to 4-6k rpms you should be at 300 mpg minimum. Unless you're definition of "hardly gas it" is "i usually have it at 5k rpm, but I never hit 7k", you may have a gas leak somewhere
haha

Supposedly those with JB4's say it doesn't affect mileage at all, unless of course you're pushing the pedal down hard a lot. Which would give you bad gas mileage without the tune.

The tune basically allows for more boost, so unless you're pushing it into boost a lot there should be no difference in mpg. /shrug
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      02-21-2013, 10:25 AM   #30
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mmm...maybe its cause its all city and literally no highway? I also live in a hilly area.
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      02-21-2013, 11:44 AM   #31
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I put my car in ds and sport every time i drive and on the freeway I just put the car in 8th gear for best mpg.
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      02-21-2013, 07:04 PM   #32
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Originally Posted by everettpa1 View Post
What is eco pro?

LOL.

THANK you!
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      02-21-2013, 09:29 PM   #33
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I gave Eco Pro a chance through a whole tank. Didn't like it, especially how stiff the accelerator pedal got. If Eco Pro only stiffened the pedal half as much as it does, I would probably use it as my primary mode.
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