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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20 and N26 Turbo Engine / Drivetrain / Exhaust Modifications > 328i economy. Post your figures here!
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      11-16-2012, 08:07 AM   #45
zibawal
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Hmm! 35 mpg on free way and since 28 mpg combined
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      11-16-2012, 10:20 PM   #46
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Originally Posted by zibawal View Post
Hmm! 35 mpg on free way and since 28 mpg combined
At 26mpg now combined
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      11-19-2012, 10:25 AM   #47
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Can you please tell me what speed ur cruising in, getting those nice numbers above 30? Iīm doing 150 km/h, ~93.5 mph, on my daily commute and im getting around 24 mpg.. the speed limit is 110 km/h but.. thatīs too slow.
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      11-19-2012, 01:31 PM   #48
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I averaged 37.7 mpg on a round trip weekend to Atlantic City from DC. I averaged between 75-85 mph for most of the trip, and the mpg reflects driving around in AC as well. 436 mile round trip and still have 98 miles remaining on the tank, per the computer estimate. All this on a $49 fill up.

Daily commuting (32 miles round trip) in DC area traffic I am at an average of 27.1 combined. Not too shabby.
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      11-19-2012, 06:38 PM   #49
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Typically average around 26-27mpg, last tank average of 29mpg. Mixed regular driving, some hard accelerating here and there.

Here is another question - how many miles has anyone been able to get on a single tank? So far my best has been 452.


Quote:
Originally Posted by Vitoco View Post
Can you please tell me what speed ur cruising in, getting those nice numbers above 30? Iīm doing 150 km/h, ~93.5 mph, on my daily commute and im getting around 24 mpg.. the speed limit is 110 km/h but.. thatīs too slow.
Main thing for highway mpg is to stay out of boost. I know at 80mph you will get over 30mpg, I never cruise much higher than that though. I wonder if, when cruising at 93mph, you are boosting.
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Last edited by tiltmode43; 11-19-2012 at 06:45 PM.
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      11-20-2012, 08:09 AM   #50
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Thanks for the answer, guess Iīll have to let off the pedal a bit to get those nice sweet figures!
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      11-20-2012, 10:41 AM   #51
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Mine is 27mpg... one day i am going to fill up and run ECO and drive easy the whole tank and see what happens.
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      11-20-2012, 02:14 PM   #52
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Quote:
Originally Posted by john08135i View Post
Mine is 27mpg... one day i am going to fill up and run ECO and drive easy the whole tank and see what happens.
If you can keep it in eco, and keep it under 75, you'll see 36 at a minimum assuming no huge elevation changes or traffic.
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      11-25-2012, 07:50 AM   #53
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Quote:
Originally Posted by ScarecrowBoat
I averaged 37.6 mpg at 80-85 mph over a 200 mile trip. Getting around 25-27 mpg IN THE CITY.

Eco Pro on the long trip, comfort in the city.
How did you drive in eco pro at 80-85 mph? Isnt the limit 75?

I average 17.7 mpg since july always in sport mode and manually shifting the zf8. Mostly city driving is what drives the number down. Work days its just 3 miles to and 3 miles back. But too many damn lights and stop signs. But then 17.7 is better than 8-12 mpg anyday!
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      11-25-2012, 07:53 AM   #54
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Quote:
Originally Posted by zibawal
Quote:
Originally Posted by Gel214th View Post
The car is reporting about 16.6mpg in the information screens.
:-\
That is pathetic;( my m3 gives me 16.2mpg, on mixed driving 80-90% city. More so, I was driving a loaner 2012 528' supposedly N20, and it was up, down hill, close to 25 mpg;( I am confused;(
That same guy would probably average <10mpg in your m3 lol. So would I.
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      12-04-2012, 08:47 PM   #55
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Very good average numbers.

For reference, my 335i Msport ZF AT is getting between 25.5 to 26.5MPG mixed driving, calculated manually.
My daily commute is about 15 miles each way, and highway speeds are between 70 to 80mph, with the actual flow of traffic.
I always drive in sport mode, use auto trans mode set to "comfort" to get all 8 speeds at those speeds.
You can do that if you have the DH pkg, which gives you some added settings.

I've tried to do a tank using eco mostly and some comfort, but I can't do it. The driving experience becomes like dragging a square box boat through molasses. CAN'T DO IT!

Since the cold temps have hit, and new AS tires it's dropped by about 1mpg.
TireRack also noted according to their tests the Bridgestone RE970's AS, which is what I have, suffered a 1mpg loss compared to other high perf AS tires they were tested against. BTW, these AS tires are quite heavy compared to the other competitors. Seems I'm experiencing the same 1mpg loss as TireRack got.

Last edited by RPM90; 12-04-2012 at 08:52 PM.
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      12-04-2012, 08:56 PM   #56
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Quote:
Originally Posted by 328inGE View Post
I was initially averaging about 25-27 MPG for my local driving, mostly winding roads up with some hills. The last 3 tanks I've averaged 29 MPG for the same route. Not sure if the increase is due to the engine breaking in more or the fact the temperatures have dropped so the AC is on less. Happy either way. Every trip I've taken my average is 33-36 MPG, but that is travelling at speeds in excess of 100+ MPH.
Great average MPG.
With all 3 of my BMW's, the MPG got better with more miles.
I think by around 5K to 7K miles they achieved their best MPG.

How many total miles on your 328i now?
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      12-04-2012, 09:43 PM   #57
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Quote:
Originally Posted by john08135i View Post
Mine is 27mpg... one day i am going to fill up and run ECO and drive easy the whole tank and see what happens.
Good luck with that one. It's a BIG task. Small tip. As EcoPro mode is a really slug, you might, on occasion, start off in Comfort and once up & running, switch to EcoPro for steady state & coasting.
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      12-18-2012, 10:53 PM   #58
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25 mpg on ECO pro
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      01-22-2013, 09:15 PM   #59
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I average anywhere between 27 and 32 US mpg. My drive is 20 miles each way to work about 50/50 highway city. I've been extremely impressed with the fuel economy and on-demand power with this vehicle.
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      01-31-2013, 11:26 PM   #60
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great too see such good fuel economy!
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      04-02-2013, 01:14 PM   #61
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Eco pro on highway...around 37 mpg.
In town...26-27 mpg....w/o jack rabbit starts. Eco pro too slow for in town.
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      04-02-2013, 01:39 PM   #62
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22mpg. Becos i dont drive like a granny
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      04-02-2013, 04:53 PM   #63
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I do a weekly trip from North County San Diego to Santa Monica, on 5 and 405. The average speed is 63 mph (75 mph with some stop and go traffic), 110 miles each way, and I get 38.5 mpg on OBC. Comfort mode, because Eco doesn't make a difference at that speed on the freeway.
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      04-02-2013, 11:11 PM   #64
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I have a commute of 50 miles daily, which is 75% on the highway, and get about 27mpg. If I drive economically i could easily get 33+.
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