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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 > Anyone else get 40+ mpg highway
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      03-18-2019, 09:09 AM   #23
Killakittie
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Quote:
Originally Posted by Zanity View Post
wow, 520 miles on a tank ! Best I got was 600km (373 miles) for a tank on my 428i... then again, I live and work in the city, all rush hour traffic.

Yeah I fueled up at the Costo in Visalia CA and drove to San Francisco with a few 90+mph bursts getting there. We visited the Golden Gate Bridge, screwed around for a few hours and eventually headed back. As I was passing next to Hollister getting ready to head over the mountains is when I decided to stretch out my tank. I had between 1/4 and 1/2 tank at that point. I slowed it down to 70 and kept the car out of boost so when I pulled back into the Costco station I had driven 520 miles and replaced 13 gallons. That's only 40mpg but I was driving fast the whole way there and drove over a mountain range I'm confident I could have averaged a few more mpg had I drove 70 flat the whole way.
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      03-18-2019, 12:48 PM   #24
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Originally Posted by sspade View Post
^Im honestly wondering what Bootmod3 will do to these numbers?

Already FBO... soon to have the tune installed. Weather is just turning here in NorCal.
Minus 1 mpg.. casual driving or 2 mpg constant on ramp burst.. BM3 stage 1 and catback awe quad. N26 428i gc. 18.1 mpg 100%city....BM3 at 17 mpg
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      03-18-2019, 05:25 PM   #25
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E90 328 got me 34-35 highway. Amazing considering it was paired to a not so great auto and still had port injection.

Currently my 335 sees about 24 highway. I guess the tune and 6MT don't help so much with efficiency lol.
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      03-18-2019, 08:36 PM   #26
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When I got first got my 428 I was normally seeing around 34 mpg even in eco pro mode. But lately am seeing around 40 mpg with normal driving even got 42.7 in comfort mode.

Not really sure what's going on. Used to drive in eco pro but didn't get any real improvements and the car didn't feel that great to drive. Switched to comfort mode, economy figures were about the same.

Did put in some Redex fuel additive a while back and normally fill up on Shell V power.
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      03-18-2019, 11:25 PM   #27
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I struggle to get 30 mpg on long highway trips. Average is 28.5 per iDrive.

What app is being used per screen shots above?
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      03-19-2019, 08:26 AM   #28
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Quote:
Originally Posted by WallySlash View Post
I struggle to get 30 mpg on long highway trips. Average is 28.5 per iDrive.

What app is being used per screen shots above?
Fuelly

You should check it out. Easy way to track everything about your car including maintenance.

You can use the app when on the go and also log in on the computer to see more details like other people who drive the exact same vehicle and what mileage they are getting.
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      03-19-2019, 11:25 AM   #29
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I did a trip from the LA area to San Diego, eco pro with cruise control varying between 70 and 75 (for once, I was the slow guy...) and averaged 42mpg. I am pretty sure there were a lot of declines, however. That was before any mods to my car.

These days, I am lucky to get 19mpg on my way to work (24 mile commute through orange county on the 5)
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      03-19-2019, 05:30 PM   #30
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I think if your looking at your gas guage, you are not driving. 😁
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      03-19-2019, 07:10 PM   #31
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Quote:
Originally Posted by Killakittie View Post
Yeah I fueled up at the Costo in Visalia CA and drove to San Francisco with a few 90+mph bursts getting there. We visited the Golden Gate Bridge, screwed around for a few hours and eventually headed back. As I was passing next to Hollister getting ready to head over the mountains is when I decided to stretch out my tank. I had between 1/4 and 1/2 tank at that point. I slowed it down to 70 and kept the car out of boost so when I pulled back into the Costco station I had driven 520 miles and replaced 13 gallons. That's only 40mpg but I was driving fast the whole way there and drove over a mountain range I'm confident I could have averaged a few more mpg had I drove 70 flat the whole way.
Are you aware the display is set to km?
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      03-19-2019, 07:25 PM   #32
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Originally Posted by flavius View Post
Are you aware the display is set to km?
I saw it ...but I just went for a ride.... who will notice it first
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      03-19-2019, 10:03 PM   #33
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In my 340i, I drove slowly (50-60 mph) on the interstate (was a holiday so the roads were empty) and over 500.1 miles averaged 39.6 MPG, calculated by filling up, not the trip computer. I had 2 gallons left in the tank, could’ve gone 580 miles...

And now that I’ve set that benchmark, I will never attempt it again...
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      03-19-2019, 11:23 PM   #34
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Quote:
Originally Posted by Carterjellis View Post
Cruising along at 75 my 2012 328i surprised me when I looked in the trip computer and I'm getting about 41mpg average!
Hard to average less than 45 mpg in the highway and 35 city! 👍
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      Yesterday, 07:26 AM   #35
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Quote:
Originally Posted by DonJuan View Post
Quote:
Originally Posted by Carterjellis View Post
Cruising along at 75 my 2012 328i surprised me when I looked in the trip computer and I'm getting about 41mpg average!
Hard to average less than 45 mpg in the highway and 35 city! 👍
Is that a diesel? Doesn't sound right 😂
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      Yesterday, 01:52 PM   #36
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Quote:
Originally Posted by Carterjellis View Post
Is that a diesel? Doesn't sound right 😂
oh, forgot that detail! lol
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