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2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) General G20 Sedan / G22 Coupe / G26 Gran Coupe Discussions Real world fuel economy for both 330i and M340i?

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      07-09-2020, 06:11 PM   #133
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A surprisingly good 24 MPG in mixed, sport + and comfort.
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      07-16-2020, 09:19 PM   #134
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I am still below 1K on breaking in my 2020 M340i xDrive. I have had from 27 mixed to over 32 MPG of mostly highway driving. I use Eco Pro when cruising and have a little fun in town with sport+. Everyone looks up when I am in sport+!!
I traded an X3 M40i and I am mostly glad that I did.The M340i is quite a bit faster and better mileage.
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      07-17-2020, 01:09 AM   #135
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Quote:
Originally Posted by Bmwphile View Post
Took my 330i for its first country drive. Wondering what I could achieve economy-wise in Eco Pro mode with no special driving technique. Made quite a bit of the assisted driving mode.

Over 350km I managed to get an amazing 6.1 l/100km (46.2mpg)!!

Can anyone better this?
Ended up with 760 then first fuel light came on so filled up. Average speed of 140km/h

Last 60 was city driving.
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      07-18-2020, 09:16 AM   #136
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A recent journey with my 330i. An incredible 4,9 l/100km!
That’s 48 MPG (US),
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      07-27-2020, 01:45 PM   #137
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How many people claiming these fuel economy figures are just going by what the OBC says? My F30 318i is extremely inaccurate, and is always around 4-5 mpg optimistic when I compare my figures after brimming the tank. My X5 is usually pretty close.
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      07-29-2020, 10:20 PM   #138
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For my 330ix I'm getting ~30mpg on eco-pro. Combination city(~40%)/highway(~60%). I like seeing 502 miles for range after fill up

Last edited by ShadowedAngles; 07-29-2020 at 10:25 PM..
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      08-09-2020, 05:05 AM   #139
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Quote:
Originally Posted by StevenDS85 View Post
A recent journey with my 330i. An incredible 4,9 l/100km!
That’s 48 MPG (US),
It looks like you had a road downhill - 19km just rolling, anyways consumption numbers are great!

I had a trip yesterday on my 330i rwd and it was 5.1 L/100km
I've started in the city with Comfort mode. I think driving 100-110 km/h on a motorway in eco mode will show number around 5 L/100km

BTW I'm using the best fuel I can find near my home GoEasy 98 Extra
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Last edited by BmwDriverStockholm; 08-09-2020 at 05:10 AM..
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      08-09-2020, 05:38 AM   #140
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My 330i Xdrive has averaged 26 mpg since 4/2019 but 80% of my driving is around town and I also drive mostly in sport and push the car pretty hard when ever possible. So I think this is the low end of the spectrum of what's possible with this car
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      08-09-2020, 03:28 PM   #141
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Quote:
Originally Posted by mofomat View Post
How many people claiming these fuel economy figures are just going by what the OBC says? My F30 318i is extremely inaccurate, and is always around 4-5 mpg optimistic when I compare my figures after brimming the tank. My X5 is usually pretty close.
That's interesting, my F30 335i is dead on accurate if not a touch conservative. When I first bought the car I tracked in fully for 6 months and compared with the onboard. The car was basically dead on or .1 or .2mpg low every time. So after dozens of fill ups I just decided the onboard was the way to go.
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      08-09-2020, 07:10 PM   #142
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Highest I have ever gotten on my RWD M340i is low 20's on a 300 mile road-trip. I average mid to high teens. Always astonished to see the rather high MPG people claim here.

Then again, it could be my driving style because I went for a drive the other day and noticed I was basically either at red-line or bouncing off the limiter which may explain my numbers. It's all good though, I didn't get this car to drive it like grandma.
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      08-09-2020, 08:46 PM   #143
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I'm getting 25 in the city in comfort mode most of the time though have to hit sport at certain times. And 40 on the highway averaging 80mph in comfort. Not a big fan of eco mode though i know that would help on highway.

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      08-09-2020, 09:38 PM   #144
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I drive in sports + 90% of the time and am averaging around 23mpg in my M340. My commute is on the highway and w Covid traffic has been pretty much non existent. Would usually be sitting in stop and go traffic for my commute so I'm sure that # will go down when more ppl return to the office again
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      08-10-2020, 03:16 AM   #145
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Quote:
Originally Posted by OUGrad05 View Post
That's interesting, my F30 335i is dead on accurate if not a touch conservative. When I first bought the car I tracked in fully for 6 months and compared with the onboard. The car was basically dead on or .1 or .2mpg low every time. So after dozens of fill ups I just decided the onboard was the way to go.
I have experience of lots of different cars from MB, BMW and Audi, and BMW are definitely the manufacturer with the most accurate on-board computers. So your experience is certainly not unusual. It's good to know that my 318i is an anomaly.
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      08-10-2020, 05:53 AM   #146
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mix of cruising & local = 7.8 l/100km
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