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      01-30-2014, 11:58 AM   #67
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Wow - exhaust sound, and ipad placement be damned. The positives of this care piling up fast. One thing I love about my 1M is that the car is capable of +26mpg highway. So on a long trip I just need to chillax, and I'll get great mileage. And I can have massive fun at the expense of mpg when I want.

Looks like the M3/4 will have the same characteristic. Looking fwd to this car now.
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      01-30-2014, 11:59 AM   #68
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Quote:
Originally Posted by czarmar
One thing I'd mention is that cars generally can increase their combined MPG by .5-1 mile for every 100 lbs dropped. If the average M3 comes in 200lbs less than an average 335i, and the tricks used to boost the power don't contribute to increased fuel consumption under low power conditions, perhaps we will see the M3 get better MPG than the 335i.
Yep!

Bottom line is. If you drive conservatively you can get 30 mpg. Pretty freaking awesome if you ask me. I get 20.8 mpg in my e39 528. 40 min Commute sometimes involves traffic and getting to my house requires 7 min driving in hills.
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      01-30-2014, 12:56 PM   #69
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Let's not forget that the anti-lag system for the turbos may or may not use a consequential amount of fuel.

Lots and lots of reasons to think the new m3 is going to get great gas mileage, don't get me wrong, but we don't know enough about the anti-lag system either. I'm guessing it could decrease fuel economy by 3-5% though.
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      03-10-2014, 06:45 AM   #70
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mpg guesses

one thing i'm certainly looking forward to is less visits to the pump with this car over the e90. the specs say 25% reduced fuel consumption which is quite significant considering its going to be quite a bit faster.

so on my e90 i was able to get

8 mpg on a hot lap at the ring

16-18 mpg city driving

20-22 mpg highway

24 mpg on absolute best behavior and more down hills than up.

25% should net me

10 mpg on a lap

20-23 mpg city

25-28 mpg highway

possible to eek out 30 mpg when the stars align and i havent had breakfast?

how does a 335i or 1M do? I guess that would be close to new F82?
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      03-10-2014, 07:24 AM   #71
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You are not going to get 23mpg in city with this car.

If you read the F30 forums, even the current 335, which produces 125hp less and is a much more efficient car, gives numbers like 14-16 mpg in city when driven hard, and about 18-19 mpg if you drive it normal. I don't expect the F80 to have a massive mpg improvement (forget the EPA numbers) for the majority of people because it's all about the way you drive.

The difference will come in highway driving, or it will be more apparent, in that you'll most likely see 27-28 mpg vs 23 you were able to get in the current generation.

Even if you were to drive like an 80 year old lady in eco pro mode I don't think you will get over 18-19 mpg in city. 23 is just dreaming in my opinion. My friend who has a 528 does not get 23 in city let me just say that.
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      03-10-2014, 07:41 AM   #72
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19/25 I would say. This is for the 6MT
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      03-10-2014, 07:51 AM   #73
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Remember that in city where you have a lot of idling, there is only so much the turbos can do. Idling kills the mpg performance and auto start/stop only helps you so much.

When I say city driving, I mean a lot of stop/go red light traffic, not driving for 10 minutes at 40 mph without stopping, I mean like really city driving in London or Manhattan.
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      03-10-2014, 08:03 AM   #74
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in my 135is which 'only' has 320hp I get about 12-15mpg through Brooklyn and Manhattan city driving. On the freeway (most of my commute in and out of NYC every day, if I am VERY relaxed I get 30 mpg. In my normal driving state I get 25mpg on the freeway which also includes some level of stop and go freeway traffic.

I can't imagine the M3 doing better than that.....maybe if they really worked hard they can equal it.
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      03-10-2014, 08:22 AM   #75
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Quote:
Originally Posted by PvsNP View Post
You are not going to get 23mpg in city with this car.

If you read the F30 forums, even the current 335, which produces 125hp less and is a much more efficient car, gives numbers like 14-16 mpg in city when driven hard, and about 18-19 mpg if you drive it normal. I don't expect the F80 to have a massive mpg improvement (forget the EPA numbers) for the majority of people because it's all about the way you drive.

The difference will come in highway driving, or it will be more apparent, in that you'll most likely see 27-28 mpg vs 23 you were able to get in the current generation.

Even if you were to drive like an 80 year old lady in eco pro mode I don't think you will get over 18-19 mpg in city. 23 is just dreaming in my opinion. My friend who has a 528 does not get 23 in city let me just say that.
no way

I had an n54 and n55 car in my past, and both got closer to 25 mpg average.

my m3 in comparison has absolutely terrible gas mileage and its getting very annoying at this point.

I expect the m3 to average around 22 in mixed driving, clearly dependent on how much you get on the boost.
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      03-10-2014, 09:12 AM   #76
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Quote:
Originally Posted by KennyPowers View Post
no way

I had an n54 and n55 car in my past, and both got closer to 25 mpg average.

my m3 in comparison has absolutely terrible gas mileage and its getting very annoying at this point.

I expect the m3 to average around 22 in mixed driving, clearly dependent on how much you get on the boost.
Look at the guy who posted above you. His numbers are very realistic.

My previous car was a E90 335 with N55 engine, and I never got over 18 mpg in city and never above 25 mpg in highway.

It all depends on how you drive. If you drive your car on D1 all the time, your numbers may get better than mine by 2 mpg at most, but that's about it.

These cars are monsters no matter how you look at it and they will suck gas like no other car will. In city driving, don't expect much improvement over the current M3, even if you go with the 25% number BMW quoted, which is very optimistic, you end up with 17.5/25 mpg.

To get 14 mpg in my current car right now, which is the number BMW quotes, I have to drive so boring and never shift above 2k rpm and even then I can barely get 14-14.5 mpg. If I drive in S5 the way its meant to be driven, I don't get more than 11-12 mpg. When I sold my 335 4 years ago, I was shocked how the city mpg between 300 hp N55 and 414 hp S65 was so close. Highway is something else, but that also changes easily if you do a lot of spirited driving.

All in all, the savings is about 40 bucks/month for someone who drives 10-12k miles a year. I'd say this is more important in Europe than it is in U.S.
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      03-10-2014, 09:13 AM   #77
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25% lower fuel consumption is relating to EU norm and is likely not to apply 1:1 to your personal milage. BTW 25% lower consumption leads to 33% higher milage, not just 25%. And how do you know the 335i is "much more efficient"?
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      03-10-2014, 09:14 AM   #78
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Quote:
Originally Posted by Kadema View Post
25% lower fuel consumption is relating to EU norm and is likely not to apply 1:1 to your personal milage. BTW 25% lower consumption leads to 33% higher milage, not just 25%. And how do you know the 335i is "much more efficient"?
You trust me, if you get actual 25% better mileage in city driving than the current M3's quoted number, you'll be very happy.
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      03-10-2014, 09:18 AM   #79
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Quote:
Originally Posted by PvsNP View Post
You trust me, if you get actual 25% better mileage in city driving than the current M3's quoted number, you'll be very happy.
Did you even read what I wrote?
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      03-10-2014, 09:21 AM   #80
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Quote:
Originally Posted by Kadema View Post
Did you even read what I wrote?
Yes I have and they said the same thing with the M5, same conversations took place 3 years ago, and people are actually getting 20% better mileage in city and about 30% better mileage in highway. M5's engine is also a little less efficient than the 550's V8. Similar setup here with the M3/335. There is no way the M3 is going to produce better numbers than the 335. We all know the mileage 335 gets and it changes drastically with the way you drive the car.
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      03-10-2014, 09:22 AM   #81
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Here's the thing, if the f80 is every-bit as much fun or more than the e90 than ANY mpg gain will be a bonus.
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      03-10-2014, 09:26 AM   #82
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Quote:
Originally Posted by karussell View Post
one thing i'm certainly looking forward to is less visits to the pump with this car over the e90. the specs say 25% reduced fuel consumption which is quite significant considering its going to be quite a bit faster.

so on my e90 i was able to get

8 mpg on a hot lap at the ring

16-18 mpg city driving

20-22 mpg highway

24 mpg on absolute best behavior and more down hills than up.

25% should net me

10 mpg on a lap

20-23 mpg city

25-28 mpg highway

possible to eek out 30 mpg when the stars align and i havent had breakfast?

how does a 335i or 1M do? I guess that would be close to new F82?
Can't really comment on what BMW marketing says, except you'll definitely get better mileage - everywhere except on track. You've got to feed all the ponies you're using (something called BSFC - Brake Specific Fuel Consumption), so you're likely to get similar mileage on track as you have before.

Bruce
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      03-10-2014, 09:27 AM   #83
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Quote:
Originally Posted by PvsNP View Post
Look at the guy who posted above you. His numbers are very realistic.

My previous car was a E90 335 with N55 engine, and I never got over 18 mpg in city and never above 25 mpg in highway.

It all depends on how you drive. If you drive your car on D1 all the time, your numbers may get better than mine by 2 mpg at most, but that's about it.

These cars are monsters no matter how you look at it and they will suck gas like no other car will. In city driving, don't expect much improvement over the current M3, even if you go with the 25% number BMW quoted, which is very optimistic, you end up with 17.5/25 mpg.

To get 14 mpg in my current car right now, which is the number BMW quotes, I have to drive so boring and never shift above 2k rpm and even then I can barely get 14-14.5 mpg. If I drive in S5 the way its meant to be driven, I don't get more than 11-12 mpg. When I sold my 335 4 years ago, I was shocked how the city mpg between 300 hp N55 and 414 hp S65 was so close. Highway is something else, but that also changes easily if you do a lot of spirited driving.

All in all, the savings is about 40 bucks/month for someone who drives 10-12k miles a year. I'd say this is more important in Europe than it is in U.S.
that's cool, but I personally owned a 1m and had a 135 with the n55 before that. they were manual, not auto.

the gas mileage was very good with both of those cars, and I definitely drove both hard at times (track days etc).

the mileage on my m3 is significantly worse, and like you, I struggle to get 15+ mpg, its more realistically 12-13. I was well over 20 on both other cars in mixed driving.
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      03-10-2014, 09:29 AM   #84
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Quote:
Originally Posted by MRV99 View Post
Here's the thing, if the f80 is every-bit as much fun or more than the e90 than ANY mpg gain will be a bonus.
No doubt it will be. I just don't think mileage should be one of the selling points of this car. There will be an improvement, but not as much as everyone claims it to be. There is no way to get 20-22 mpg combined 50/50 in real world conditions. I have never gotten that in my 335.

Quote:
Originally Posted by KennyPowers View Post
that's cool, but I personally owned a 1m and had a 135 with the n55 before that. they were manual, not auto.

the gas mileage was very good with both of those cars, and I definitely drove both hard at times (track days etc).

the mileage on my m3 is significantly worse, and like you, I struggle to get 15+ mpg, its more realistically 12-13. I was well over 20 on both other cars in mixed driving.
You are forgetting that both of those cars are much smaller, weigh less (hundreds of pounds).
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      03-10-2014, 09:35 AM   #85
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Quote:
Originally Posted by PvsNP View Post



You are forgetting that both of those cars are much smaller, weigh less (hundreds of pounds).
the claimed weight of the m3/4 is basically identical to the 1m

my m3 will have CF roof, manual and only basic leather. I expect it to weigh less than 100 lbs more than the 1m worst case scenario (which was about 3375 lbs)
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      03-10-2014, 09:49 AM   #86
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Quote:
Originally Posted by KennyPowers View Post

I expect the m3 to average around 22 in mixed driving, clearly dependent on how much you get on the boost.
That would be awesome but that's what I get in my 328i. Doesn't seem likely for the F82. If I could manage 18-19 mpg combined in a new M4 I'd be very happy with that.
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      03-10-2014, 10:11 AM   #87
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Quote:
Originally Posted by KennyPowers View Post
the claimed weight of the m3/4 is basically identical to the 1m

my m3 will have CF roof, manual and only basic leather. I expect it to weigh less than 100 lbs more than the 1m worst case scenario (which was about 3375 lbs)
Uh?

You think your M4 will weigh 3275 lbs? Where did you get that figure? It's going to be 3583 lbs. 1M weighs around 3200 lbs. There is over 350 lbs of difference between the two cars and you expect the 350 lbs heavier 125 hp more powerful car to get better mileage?

Quote:
Originally Posted by Alpine F31 View Post
That would be awesome but that's what I get in my 328i. Doesn't seem likely for the F82. If I could manage 18-19 mpg combined in a new M4 I'd be very happy with that.
Exactly, people need to base their numbers on the current 335 and even then the numbers that are being talked about here is unrealistic.
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      03-10-2014, 10:32 AM   #88
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Quote:
Originally Posted by PvsNP View Post
Uh?

You think your M4 will weigh 3275 lbs? Where did you get that figure? It's going to be 3583 lbs. 1M weighs around 3200 lbs. There is over 350 lbs of difference between the two cars and you expect the 350 lbs heavier 125 hp more powerful car to get better mileage?.
http://www.caranddriver.com/reviews/...pe-test-review

curb weight for the 1M is 3296lbs or 1495kg per BMW, and weighed in at 3340-3360 in multiple tests.

according to BMW, the m4 weighs ~3300 lbs, with the curb weight at 1495 kg, as was the 1m. they have the exact same curb weight per BMW.

the m3 in comparison, is listed at 1520 kg which is 3351 lbs.

3351 - 3296 = 55 lbs

no idea where you are getting your numbers from. I also don't know where I said it would get better mileage. I said it would get slightly worse mileage than the 1m, and notably better than the current m3.
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