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      02-01-2011, 03:27 PM   #1
boostm3
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135i gas mileage?

On the hwy with nonstop driving, I can get around 28 mpg. But around town, with many stops, Im getting like 14-15 mpg... (considerably lower than the epa city rating!)

Any of you other 135i lovers having similar results? Loving the car, btw!
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      02-01-2011, 03:30 PM   #2
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That sounds about right. I get really good gas mileage (30+ on the highway cruising) and get about that around town. Averages out to be about 24 mpg for me combined.
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      02-01-2011, 03:32 PM   #3
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19-22 average, better on the highway.
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      02-01-2011, 03:37 PM   #4
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Quote:
Originally Posted by shodanusmc View Post
19-22 average, better on the highway.
I would guess that means Im hitting alot more stoplights than you! I can hardly think of it being a function of anything else.. Unless there's something wrong with my baby...
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      02-01-2011, 03:55 PM   #5
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I would guess that means Im hitting alot more stoplights than you! I can hardly think of it being a function of anything else.. Unless there's something wrong with my baby...
How many miles do you have on your car? The gas mileage will get better as you break it in more and more.
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      02-01-2011, 04:16 PM   #6
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I get about 30 MPG highway and 24 combined in my 2011 DCT.
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      02-01-2011, 04:17 PM   #7
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      02-01-2011, 05:26 PM   #8
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      02-01-2011, 05:32 PM   #9
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Quote:
Originally Posted by GO135i007 View Post
How many miles do you have on your car? The gas mileage will get better as you break it in more and more.
about 1300mi .... I have to do alot of around town driving on single lane roads with lots of stops... Hence the 14-15 mpg reading.. I guess I took that 20 mpg epa city rating a little too seriously! I cringe every time I view my 'immediate mode' mpg reading as Im pulling away from a dead stop.. Even with an easy take off, it still dips to about 6 mpg. I wound up not using the immediate mode mpg setting as much when Im around town ... Too annoying!! On the big highways though, no problems!
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      02-01-2011, 05:59 PM   #10
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Quote:
Originally Posted by boostm3 View Post
about 1300mi .... I have to do alot of around town driving on single lane roads with lots of stops... Hence the 14-15 mpg reading.. I guess I took that 20 mpg epa city rating a little too seriously! I cringe every time I view my 'immediate mode' mpg reading as Im pulling away from a dead stop.. Even with an easy take off, it still dips to about 6 mpg. I wound up not using the immediate mode mpg setting as much when Im around town ... Too annoying!! On the big highways though, no problems!
Lol! I learned to turn my instant MPG off shortly after buying the car, it's too depressing. I average 22.x
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      02-01-2011, 06:35 PM   #11
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Overall average is 23.0 mpg via the OBC, which is verified by an iPhone app called "Road Trip" recorded when I fill up. Almost all of my driving is urban/suburban; I've only reached 25-26 mpg on two Interstate trips where I drove about 3K rpm. MY is 2010 with MT, total mileage to date is about 5200.

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      02-01-2011, 07:43 PM   #12
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You need to reset the "mpg" and come back with your new findings.

In my case, i was getting around 19 in the summer. (just city driving)
Now that they have switched to the "winter brew" i'm getting 17.4mpg.(only city driving)

Last, lets not forget our engines are 3.0 LITTERS!!! + 2 Turbos. Nothing says fuel economy here........
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      02-01-2011, 08:41 PM   #13
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Quote:
Originally Posted by Cuz5150 View Post
You need to reset the "mpg" and come back with your new findings.

In my case, i was getting around 19 in the summer. (just city driving)
Now that they have switched to the "winter brew" i'm getting 17.4mpg.(only city driving)

Last, lets not forget our engines are 3.0 LITTERS!!! + 2 Turbos. Nothing says fuel economy here........
I should have added when I started the thread that my 135i has stick. Im also thinking that to compare one driver's 'city driving' with another's is kind futile.. Not all city driving is created equal! Anybody know if there is a difference in the epa ratings of Stick vs Dual Clutch 135is?

Im not sure how I should interpret the fact that you routinely get 17.4mpg doing 'city driving' in winter and I get a measly 14-15. Could be nothing more than I go up more hills or hills of steeper descent. Or it could mean that at 1400 miles, it hasnt loosened up sufficiently yet. Maybe my stoplights are closer together. Maybe I have more traffic, etc, etc.. All this kind of emphasizes how fruitless it is comparing mpg ratings.. Matter of fact, kind of points up the fallacy in epa ratings period as it relates to any specific case.

BTW.. Im curious. What characteristic does 'winter brew' possess that renders a lower mpg reading?
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      02-01-2011, 09:07 PM   #14
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Quote:
Originally Posted by boostm3 View Post
I should have added when I started the thread that my 135i has stick. Im also thinking that to compare one driver's 'city driving' with another's is kind futile.. Not all city driving is created equal! Anybody know if there is a difference in the epa ratings of Stick vs Dual Clutch 135is?

Im not sure how I should interpret the fact that you routinely get 17.4mpg doing 'city driving' in winter and I get a measly 14-15. Could be nothing more than I go up more hills or hills of steeper descent. Or it could mean that at 1400 miles, it hasnt loosened up sufficiently yet. Maybe my stoplights are closer together. Maybe I have more traffic, etc, etc.. All this kind of emphasizes how fruitless it is comparing mpg ratings.. Matter of fact, kind of points up the fallacy in epa ratings period as it relates to any specific case.

BTW.. Im curious. What characteristic does 'winter brew' possess that renders a lower mpg reading?
If it will help you a little more, let me explain.
A few thing about your situation:
1st new car with only 1400miles. Engine is still tight not fully broken it(as mpg's goes)
2nd. Add cold weather, an engine consumes more fuel in order to heat up.(it takes energy to heat up an engine).
3nd factor in your city/style of driving
4th Winter re-formulation of gas (thank the EPA for this crap) this is good for -2mpg in any car.
5th factor in you are running the heater, witch you are running the A/C compresor( you understand how that goes)
The outcome is= Your MPG's go in to the toilet. in Winter months

In my case: I do all suburbs driving. My commute to work is back roads that the posted speed limit is 25mph.
I go 3-4 stop sighs then a traffic light....repeat, etc.
Factor in how the gearing is in the 135i and most of the time, Im in 2 gear(i'll rather have it rev a little more, then "lug it" around town. I hardly get in to 3rd gear...then i hit the stop sigh or traffic light.....etc.
Factor in the cold engine, winter fuel, heat/AC comp on = and rolling with 17.4mpg. My one way commute is 9.8 miles.
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      02-01-2011, 09:14 PM   #15
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22/26 city/hwy
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      02-02-2011, 12:36 AM   #16
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Quote:
Originally Posted by Cuz5150 View Post
If it will help you a little more, let me explain.
A few thing about your situation:
1st new car with only 1400miles. Engine is still tight not fully broken it(as mpg's goes)
2nd. Add cold weather, an engine consumes more fuel in order to heat up.(it takes energy to heat up an engine).
3nd factor in your city/style of driving
4th Winter re-formulation of gas (thank the EPA for this crap) this is good for -2mpg in any car.
5th factor in you are running the heater, witch you are running the A/C compresor( you understand how that goes)
The outcome is= Your MPG's go in to the toilet. in Winter months

In my case: I do all suburbs driving. My commute to work is back roads that the posted speed limit is 25mph.
I go 3-4 stop sighs then a traffic light....repeat, etc.
Factor in how the gearing is in the 135i and most of the time, Im in 2 gear(i'll rather have it rev a little more, then "lug it" around town. I hardly get in to 3rd gear...then i hit the stop sigh or traffic light.....etc.
Factor in the cold engine, winter fuel, heat/AC comp on = and rolling with 17.4mpg. My one way commute is 9.8 miles.
Thanks for that info. Curious about this winter reformulation.. so i googled it, and sure enough, its different. But I wouldnt call it crap... In fact, its better for performance, but it has a lower stoichiometric value which probably means we have to burn more gasoline, etc, etc.. I think this is the part that is relevant to the mileage question:

"...The oxygen-bearing compounds displace fuel components, so it takes more fuel to get the job done. Normal gasoline has a stoichiometric ratio of 14.7:1, reformulated winter fuel runs between 14.3 and 14.4:1," says Mitch Markusich...."

Here's the link:

http://zhome.com/ZCMnL/PICS/winterGas/winterGas.html
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      02-02-2011, 12:50 AM   #17
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i think im averaging 17 or 18....i do a lot of city driving
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      02-02-2011, 01:31 AM   #18
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I've seen 30-31 mpg on flat freeway @ 65mph a number of times, taking it easy on the go pedal.

Remember that in general, power is related to the amount of fuel you burn. Bigger engines and turbocharging just give you the option of burning a lot fuel to make a lot of power, but you don't have to.

Not that you buy a 300hp car for this reason, but I've found if you always keep in mind power = fuel, it goes a surprisingly long way.
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      02-02-2011, 01:33 AM   #19
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My main commute is 3.5 miles one way. 35mph roads only.

I'm averaging 19.4. I haven't reset it in a long time either.

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      02-02-2011, 05:34 AM   #20
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That's why I did digital m3 speedo to not look at mpg
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      02-02-2011, 11:01 AM   #21
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19.2 over the course of 1 year. 70% city driving.
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      02-02-2011, 12:16 PM   #22
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It is almost impossible to compare fuel mpg from person to person. Even if you throw out the variables like weather, traffic, fuel mixtures, hills, etc. the biggest variable still remains...the driver. The "style" someone drives probably dictates fuel economy (or lack thereof) greater than anything, especially when it is a MT. The driver that cruises in town at 3k rpm in general is not going to get as good of MPG as the driver that shifts more and keeps the revs in the 2k-2500 range. It is real easy in a car like the 135i to get terrible gas mileage. Drive and enjoy.
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