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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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      02-19-2020, 06:01 PM   #111
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Quote:
Originally Posted by EXE46 View Post
When i took delivery of car it last August it showed 380 plus miles, now after 6k plus miles a full tank shows anywhere from 308-328 miles.
Good to know. I was surprised to see such a huge falloff in ER after such a short amount of time
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      02-20-2020, 03:41 AM   #112
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Quote:
Originally Posted by jajus198 View Post
I apologise guys, I'm new here and I don't have permissions to make a thread yet.

I'm on the cusp of pulling the trigger on a fully loaded 330i X drive 2019 with M Sport Package, Track Handling, M diff.

My concern is the tire size. It is 225 40 R19 with run flats. My concern is the harshness of the ride. I can't find a vehicle with 18s on them. Based on what I've heard it offers a much more smoother ride.


Am I overthinking this? Will the 19s be too rough? I live in Houston where the roads are hit or miss....
Cant say for RFT. But I have 19s with adapative and all that with Go flats. The ride was very good and compliant in comfort.
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      02-20-2020, 05:21 AM   #113
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Not sure your post belongs in this thread, but answering anyway; I have the 19s with runflats - the ride is somewhere between ''firm' and 'too firm'. Firm on normal flat Dutch roads, and too firm over speedbumps and the like.

On a scale of 1 - 10:

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1_____2_____3_____4_____5_____6_____7_____8_____9_ ____10
==============================^
.................................................. 330i on 19 Runflats
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      02-20-2020, 12:54 PM   #114
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Quote:
Originally Posted by jajus198 View Post
I apologise guys, I'm new here and I don't have permissions to make a thread yet.

I'm on the cusp of pulling the trigger on a fully loaded 330i X drive 2019 with M Sport Package, Track Handling, M diff.

My concern is the tire size. It is 225 40 R19 with run flats. My concern is the harshness of the ride. I can't find a vehicle with 18s on them. Based on what I've heard it offers a much more smoother ride.


Am I overthinking this? Will the 19s be too rough? I live in Houston where the roads are hit or miss....
Overthinking. I've driven the 330i plenty of times with the same set up you mention and it was fine. Get the adaptive suspension if your bias is towards comfort.

And this is coming from somebody who lives in a city where winters suck and roads get bumpy and potholes.
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      02-20-2020, 01:19 PM   #115
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You don't think 19s plus runflats is too firm? I'm borderline on trading these in for something a little softer; getting fed up with 10km/h over speedbumps...

Could be the speedbumps of course; they're evil round here.
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      02-20-2020, 02:00 PM   #116
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4000 miles on it, am getting an absurd 24mpg, with 75% city driving. It is winter so a lot of put-putting, but still simply outstanding. I used to get roughly the same mileage, about 330miles a tank with my C43, but was putting intwo gallons more!
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      02-23-2020, 01:15 PM   #117
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Got about 32 mpg on an M340i driving with traffic.
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      02-23-2020, 06:45 PM   #118
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I am still getting mid 19's mpg, highest was 21mpg and car now has 6500 miles. Must be my driving lol...
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      05-08-2020, 12:06 PM   #119
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M340i MPG

Recently I had to do 872 miles in one day (long story). Mainly motorway driving of course - but Iím pretty impressed with the economy on a long run. Got it over 40MPG at one point... but this was the average for the day.

Thatís 32MPG for those in the US....
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      05-08-2020, 12:26 PM   #120
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That is impressive.
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      05-08-2020, 01:35 PM   #121
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Wow, not bad at all.....maybe I'll try it one day (if I can bring myself to leave my precious Sport + more for a second ).
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      05-08-2020, 03:08 PM   #122
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Yeah was in a mixture of Comfort and Sport rather than Sport+ 😀

Oh and itís worth mentioning I was driving for 13 hours excluding breaks. Never once felt uncomfortable on Adaptive set up. Donít think itís harsh at all and it just eats miles.
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      05-08-2020, 06:16 PM   #123
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I second these numbers on almost the same setup. I have a '20 G20 330i M Sport staggered 19's. Getting 37-38 highway, 24-26 city. It has 4K miles on it.

Quote:
Originally Posted by Beembar51 View Post
Picked up my G20 330Xi Msport last Friday. It has 19" staggered wheels with performance run flats. I just did a 300 mile round trip from my home in Venice, Fl to Orlando. The read out said 37.3 mpg. Most of those miles were done at 80 mph. Around town, prior to the road trip, I was getting 25 mpg. Total miles on the car so far are 500. I expect the figures to improve as time goes on and things wear in. These figures are pretty close to those on the 430Xi GC I just turned in. Pretty good in my book.
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      05-13-2020, 12:45 AM   #124
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M340i economy is remarkably good

On a recent 900 km return trip down the South Island of New Zealand on main roads in my M340i (X-drive) I got 7.3 l/100 km (there and back). On the way south, with air con off and generally observing speed limits, I got 6.5 l/100 Km (that's 36.2 miles to the US gallon) - amazing for a big six. That B58 is super-efficient. But if you use all the performance available, you can expect to pay at the pump.
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      05-18-2020, 01:11 AM   #125
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Have only done about 800km in mine so far but I'm getting around the 12-13L/100km on average. Mostly short trips, very rarely over 60km/h zones (not travelling far due to covid), and half of them in sport+ or individual.

It's slightly more efficient than my F30 340i and getting closer in efficiency to the long term G20 M340i I had loaned to me over Christmas.
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      07-04-2020, 11:39 PM   #126
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I've charted mileage on my M340i since new (currently at 9300 miles). Around town it gets about 25, but on the open road it has exceeded 38 mpg. Fuel range on the open road exceeds 500 miles. I don't baby it, so I think the numbers are representative of the car's fuel economy.
The numbers are truly amazing to me considering the car's power and performance. During overtakes, the car accelerates from 60 to 100+ mph in a flash which inspires a lot of confidence when passing semi's on two lane roads.
IMHO, BMW has done an incredible job with this car. It has a wonderful balance of power, handling, ride comfort, and fuel economy. Buying the M340i was the best car buying decision I've ever made!
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      07-05-2020, 04:01 AM   #127
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ive got 2000 miles on my m340i and with probably 75% city, and averaging 21 which is pretty impressive.... my previous car a b9 a4 quattro, got the same, so given the power increase really really impressive
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      07-05-2020, 09:30 PM   #128
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about 26 MPG or low 9l/100km with most urban lowish speed running. This obviously improves with highway running.
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      07-06-2020, 10:08 AM   #129
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M340i XDrive

Mostly highway driving at Adaptive mode

I get 28-29 MPG.

Haven't tried doing Sports + mode all the way.
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      07-08-2020, 10:05 AM   #130
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Quote:
Originally Posted by Orenco View Post
I've charted mileage on my M340i since new (currently at 9300 miles). Around town it gets about 25, but on the open road it has exceeded 38 mpg. Fuel range on the open road exceeds 500 miles. I don't baby it, so I think the numbers are representative of the car's fuel economy.
The numbers are truly amazing to me considering the car's power and performance. During overtakes, the car accelerates from 60 to 100+ mph in a flash which inspires a lot of confidence when passing semi's on two lane roads.
IMHO, BMW has done an incredible job with this car. It has a wonderful balance of power, handling, ride comfort, and fuel economy. Buying the M340i was the best car buying decision I've ever made!
I agree! With adaptive cruise control 70-75mph on non-congested highways, I get 35-38mpg. Iíve even gotten as high as 39-40mpg but not consistently. This is significantly higher than the rated 30mpg. Itís when you hit stop and go that the economy goes to crap, but still better than your average V6. As long as you avoid full throttle, I find this car to be as economical as an ďeconomy carĒ on the freeway.
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      07-09-2020, 05:50 AM   #131
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Hi,

I have a little over 13K miles on my M340x and average MPG IS 25.1.

There is a big difference between highway & around town mileage-- highway between 27-28 MPG & around town 23-24.

When I first got the car, I coded it to start in EcoPro & changed to Sport when I needed/felt like it. I noticed that the car was slow to respond & thanks to a post (Tam the Bam ), I changed to Adaptive mode; this mode is still relatively efficient, but doesn't suffer from EcoPro's sluggishness. I still use Sport (Individual) when I need/feel like it

I also agree that the car has a great balance of handling, efficiency & responsiveness!

Hope that helps!
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      07-09-2020, 06:48 AM   #132
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Super economy!

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?
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