Why is the gas tank so damn small?

LinkF1 · 12-28-2016, 08:00 AM

I'm getting an average of 24.3 mpg (9.7 L/100km) with a best of 30.7 and a worst of 22.3. Looking at other M2s on fuelly, there seems to be about a 4 MPG average gap between the 6-speed and the DCT.

Keeping the boost pressure up between gears with DCT is probably part of the gap.

Destroya · 12-28-2016, 09:31 AM

Quote:

Originally Posted by LinkF1

I'm getting an average of 24.3 mpg (9.7 L/100km) with a best of 30.7 and a worst of 22.3. Looking at other M2s on fuelly, there seems to be about a 4 MPG average gap between the 6-speed and the DCT.

Keeping the boost pressure up between gears with DCT is probably part of the gap.

There is almost a 25% difference between DCT and MT. The sample size is not great and we don't know the driving style of each but still, that is a big difference.

Anyone on here that drives a MT that is getting 24 or so MPG?

Dabozo · 12-28-2016, 05:49 PM

I have not been checking as it's not a DD for me but 9L per 100km (25mpg) sounds unrealistic for this car - especially when driven hard as some have said they are and still get 9L/100km...no way!

quikM2 · 12-28-2016, 06:01 PM

Quote:

Originally Posted by serrated

The worst part is the lack of many 93 octane gas stations near me. I almost have to plan ahead.

I envy you. The best we have is shell 91 octane. no 93 to be found. Husky carries 94 but it's 10% ethanol blend. Not that it really matters or anything but the shell 91 is ethanol free and BMW "recommends" shell v-power... meaning (shell paid BMW to recommend them)

atxsk8r · 12-28-2016, 06:11 PM

Quote:

Originally Posted by Destroya

Anyone on here that drives a MT that is getting 24 or so MPG?

Not me

but if someone is, they need to sell their car

atxsk8r · 12-28-2016, 06:14 PM

Quote:

Originally Posted by LinkF1

I'm getting an average of 24.3 mpg (9.7 L/100km) with a best of 30.7 and a worst of 22.3. Looking at other M2s on fuelly, there seems to be about a 4 MPG average gap between the 6-speed and the DCT.

Keeping the boost pressure up between gears with DCT is probably part of the gap.

30 mpg???

How did this happen? You drive in automatic / comfort mode the whole tank of gas?

SoCalRob · 12-28-2016, 06:59 PM

Quote:

Originally Posted by atxsk8r

30 mpg???

How did this happen? You drive in automatic / comfort mode the whole tank of gas?

I get 30 mpg quite often, but only for very brief intervals of time, and only when going downhill. -scr

LinkF1 · 12-28-2016, 08:44 PM

Quote:

Originally Posted by atxsk8r

30 mpg???

How did this happen? You drive in automatic / comfort mode the whole tank of gas?

Road trip from Northern PA to Central VA, nearly 100% highway and just cruising at 75 - 80. Easy to do with the DCT when your net elevation change is downhill.

ryem3 · 12-28-2016, 08:46 PM

Quote:

Originally Posted by rich8566

The 50-50 weight balance would be upset with a larger fuel tank.

You're on the wrong board - pic of M235...

You know what really makes that statement a joke (realizing you were a bit sarcastic) - you can get a GT3 with an extended range fuel tank - 25 gallons! - FOR NOTHING EXTRA!

rouxeny · 12-28-2016, 09:02 PM

Remember the days when a manual got better mileage than an automatic?

And yes I know the DCT is not an automatic.

ryem3 · 12-28-2016, 09:10 PM

Quote:

Originally Posted by Destroya

There is almost a 25% difference between DCT and MT. The sample size is not great and we don't know the driving style of each but still, that is a big difference.

Anyone on here that drives a MT that is getting 24 or so MPG?

Quote:

Originally Posted by rouxeny

Remember the days when a manual got better mileage than an automatic?

And yes I know the DCT is not an automatic.

The DCT has the real overdrive 7th gear, that the manual doesn't have. That's why Porsche added a 7th speed to the manual tranny. On the Vette as well, I believe. Coasting downhill with a DCT doesn't count for realistic mileage.

LinkF1 · 12-28-2016, 10:38 PM

Quote:

Originally Posted by ryem3

The DCT has the real overdrive 7th gear, that the manual doesn't have. That's why Porsche added a 7th speed to the manual tranny. On the Vette as well, I believe. Coasting downhill with a DCT doesn't count for realistic mileage.

My tank of 30 mpg wasn't coasting downhill, but I agree it is not typical milage.

Swimfanrick · 12-28-2016, 10:49 PM

Quote:

Originally Posted by Destroya

Quote:

Originally Posted by LinkF1

I'm getting an average of 24.3 mpg (9.7 L/100km) with a best of 30.7 and a worst of 22.3. Looking at other M2s on fuelly, there seems to be about a 4 MPG average gap between the 6-speed and the DCT.

Keeping the boost pressure up between gears with DCT is probably part of the gap.

There is almost a 25% difference between DCT and MT. The sample size is not great and we don't know the driving style of each but still, that is a big difference.

Anyone on here that drives a MT that is getting 24 or so MPG?

I drive a lot of exclusive highway driving. My car is filled only with 93 octane Shell gas. I have the 6MT and with the cruise control set in comfort mode at 80MPH the tach reads between 3000 and 3100 rpm. At that setting, I get 24mpg but that's about 95% highway miles. City driving, I'm getting about 20mpg in sport+.

Pyrat 2 · 12-28-2016, 11:20 PM

It's been 8 months since I let go of my 135is and picked up my M2 but I think my 1er was even worse. To be sure the M2 is bad but not enough for me to get rid of the car.

F87LUV · 12-29-2016, 07:31 AM

I average about 18mpg and do ALOT of long distance highway driving. According to my automatic adapter, the 49 mile range alert is really 100 miles. I don't wait that long- never know!

nishmaster2k · 12-29-2016, 08:45 AM

Quote:

Originally Posted by Destroya

There is almost a 25% difference between DCT and MT. The sample size is not great and we don't know the driving style of each but still, that is a big difference.

Anyone on here that drives a MT that is getting 24 or so MPG?

I have the MT, and in Comfort on the highway you can do 28 or so. Doing more than that means lowering my speed to 60 instead of 80. That was definitely a hypermile type throttle approach, though. Leave it in 6th, no more than quarter throttle to accelerate. Pretty boring, but was a fun game to play with myself on a long drive to St. Louis.

If I drive it like it isn't the sports car it is and pretend it's just another car, I get around 24. I live in the city, so there isn't a ton of opportunity for spirited driving. You can just tell the car hates it, though. It wants to go. Adding some bursts of spirited driving puts me at 18.

zenmaster · 12-29-2016, 10:00 AM

Quote:

Originally Posted by LinkF1

Road trip from Northern PA to Central VA, nearly 100% highway and just cruising at 75 - 80. Easy to do with the DCT when your net elevation change is downhill.

Why would you tell ppl your mpg with conditions like that?

atxsk8r · 12-29-2016, 11:41 AM

Quote:

Originally Posted by Pyrat 2

It's been 8 months since I let go of my 135is and picked up my M2 but I think my 1er was even worse.

Same here. I was filling up once a week with my 135, fill up once a week now with the M2, nothing changed

CommitConfirm · 12-29-2016, 01:45 PM

I get around 22mpg in comfort mode and auto start stop disabled in my MT. Lowest I've seen was around 7mpg in sport+ we got less than 100 from that tank

zenmaster · 12-29-2016, 02:01 PM

My OBC shows 20.8mpg for each tank w/ 85% 75-80mph hwy miles. DCT. I'm in sport, but makes no difference from comfort while cruising AFAIK. DCT doesn't downshift a gear like the 8AT.

element241 · 12-29-2016, 02:06 PM

MPG is the wrong metric for this car. Should have a smiles-per-gallon gauge. I've been getting 13.x MPG over 5 or 6 thousand miles, and I've loved every second of it.

Bluedoor · 12-29-2016, 02:12 PM

For me 300 mile range for a full tank is my break point on whether a tank is adequately sized for a vehicle. With 13.7 gallons, M2 falls within this criteria and I would rather the more reasonable trunk size rather than a bigger tank.

12-28-2016, 08:00 AM	#45
LinkF1 Private First Class 190 Rep 195 Posts Drives: 16' MG F87 M2 Join Date: Oct 2014 Location: Central Virginia iTrader: (0)	I'm getting an average of 24.3 mpg (9.7 L/100km) with a best of 30.7 and a worst of 22.3. Looking at other M2s on fuelly, there seems to be about a 4 MPG average gap between the 6-speed and the DCT. Keeping the boost pressure up between gears with DCT is probably part of the gap.
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12-28-2016, 05:49 PM	#47
Dabozo Major 625 Rep 1,418 Posts Drives: M2 BSM MT Join Date: Aug 2015 Location: Toronto iTrader: (0)	I have not been checking as it's not a DD for me but 9L per 100km (25mpg) sounds unrealistic for this car - especially when driven hard as some have said they are and still get 9L/100km...no way!
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12-28-2016, 09:02 PM	#54
rouxeny Living the aloha 241 Rep 449 Posts Drives: 2017 LBB M2 Join Date: Oct 2008 Location: Maui iTrader: (0)	Remember the days when a manual got better mileage than an automatic? And yes I know the DCT is not an automatic.
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12-28-2016, 11:20 PM	#58
Pyrat 2 Colonel 1418 Rep 2,560 Posts Drives: Rapidly from A to B Join Date: Jun 2005 Location: Chicago 'burbs or TN Smokies iTrader: (3) Garage List 2022 Porsche GT4 [9.64] 2018 Porsche GT3 [9.33] 2007 Z4 M Roadster [8.33] 2020 BMW X1 [0.00]	It's been 8 months since I let go of my 135is and picked up my M2 but I think my 1er was even worse. To be sure the M2 is bad but not enough for me to get rid of the car. __________________ '07 Z4MR '22 GT4 '18 GT3 '16 GT4, '16 M2, '14 X1, '13 135is, '06 330i, '03 323 Ci, '01 330i, '99 M3 (RIP), '96 318is, some non-BMWs
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12-29-2016, 07:31 AM	#59
F87LUV Lieutenant General 3689 Rep 15,081 Posts Drives: '16 M2, '23 GT4 Join Date: May 2007 Location: NJ iTrader: (4) Garage List 2023 Porsche GT4 [5.00] 2016 BMW M2 [8.66]	I average about 18mpg and do ALOT of long distance highway driving. According to my automatic adapter, the 49 mile range alert is really 100 miles. I don't wait that long- never know! __________________ IG: Trackinheels
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12-29-2016, 01:45 PM	#63
CommitConfirm Lieutenant 475 Rep 549 Posts Drives: The Bus Join Date: Oct 2016 Location: Berkshire iTrader: (0) Garage List 2017 Ford Focus RS [0.00] 1971 Mk3 Austin Min ... [0.00] 2013 MINI R56 GP [0.00] 2013 MINI R55 Clubvan [0.00]	I get around 22mpg in comfort mode and auto start stop disabled in my MT. Lowest I've seen was around 7mpg in sport+ we got less than 100 from that tank
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12-29-2016, 02:01 PM	#64
zenmaster Brigadier General 1577 Rep 3,888 Posts Drives: '17 M2 Join Date: Mar 2007 Location: Atlanta iTrader: (1)	My OBC shows 20.8mpg for each tank w/ 85% 75-80mph hwy miles. DCT. I'm in sport, but makes no difference from comfort while cruising AFAIK. DCT doesn't downshift a gear like the 8AT.
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12-29-2016, 02:06 PM	#65
element241 Private First Class 74 Rep 123 Posts Drives: M2C Join Date: Apr 2014 Location: SoCal iTrader: (0)	MPG is the wrong metric for this car. Should have a smiles-per-gallon gauge. I've been getting 13.x MPG over 5 or 6 thousand miles, and I've loved every second of it. __________________ 2019 F87 M2C - SO/Black - DCT - Exec Pkg 2018 F82 M4 - SSII/Black - DCT - ZCP - Exec Pkg - M Perf Pkg (sold) 2016 F87 M2 - LBB/Black - DCT - Exec Pkg (sold) 2015 F80 M3 - MG/SO - DCT - Exec Pkg - EDC (sold) 2014 F22 M235i - AW/Black - 6MT - Premium Pkg - Tech Pkg (sold)
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12-29-2016, 02:12 PM	#66
Bluedoor Private 63 Rep 69 Posts Drives: 2017 M2 Join Date: Dec 2016 Location: New York iTrader: (0)	For me 300 mile range for a full tank is my break point on whether a tank is adequately sized for a vehicle. With 13.7 gallons, M2 falls within this criteria and I would rather the more reasonable trunk size rather than a bigger tank.
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