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      07-09-2008, 03:21 AM   #67
rcornelius
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Originally Posted by ericld View Post
I'm still extremely annoyed by the MPG of the M. I'm not really worried about the money it takes to fill the tank, it's just how OFTEN you have to do it that's the annoyance. I have about 600 miles on my car and I am going to need to get gas today... FOR THE 4th TIME. I paid cash for the car, I can afford to fill it up. But I'm sick of stopping for gas all the time.

The sticker says 14-20. BS. In normal everyday driving where I keep my foot out of it I am getting 11.9 (says the computer) but in actuality, math says I'm getting 10.5. Almost single digit gas mileage in the year 2008. WTF?

Just as a test I did everything I could to get 20 last week. I took highway routes, kept the RPM's in the 2k range, rolled to stoplights in neutral, air conditioner off, etc...Never did better than 13.8

THAT is ridiculous. My friends 997 gets 19 all the time. If I drive like an angel I can get our SUV above 22. Bad engineering on BMW's part.
I observed about the same MPG when the car was new. But shortly after the 1200 mile service I started seeing 18 then 22 mpg returned. I still get around 18 or 19 on the autobahn at around 100-120mph. I think what makes is so bad is the relative small fuel tank.

Randy
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      07-09-2008, 03:22 AM   #68
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Wow, a car with 150 mile range would bug me to no end. That's like driving one of those new plug in electric cars. Hopefully the car gets better with more milage, I am pretty sure that's the case.
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      07-09-2008, 03:43 AM   #69
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Why is MPG important? This is an M3!! Its a sports coupe designed for performance!!

If MPG is important to you you need to buy a different car...
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      07-09-2008, 03:45 AM   #70
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Why is MPG important? This is an M3!! Its a sports coupe designed for performance!!

If MPG is important to you you need to buy a different car...
Itīs not a dealkiller but annoying
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      07-09-2008, 03:49 AM   #71
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Trade your car in for a M5.

Then come back and talk about mileage.
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      07-09-2008, 07:52 AM   #72
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Originally Posted by booforty View Post
Why is MPG important? This is an M3!! Its a sports coupe designed for performance!!

If MPG is important to you you need to buy a different car...
I'm just talking about the tank size here. Not the money.

It's an annoyance to have a tank the size of a thimble. Sports cars are no fun when you gotta stop every 195 miles.

See, non-owners don't understand that the "idiot light" gas warning comes on at 1/4th tank, so basically you are concerned about fuel every 150 miles.

Last edited by ericld; 07-09-2008 at 09:09 AM.
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      07-09-2008, 08:53 AM   #73
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Understood, yes tank size could be bigger - see what you mean now! lol
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      07-09-2008, 09:09 AM   #74
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Now I will quit bitching and look for a solution.

Has anyone been able to increase mpg performance with after market intake modifications such as a easier aspirated intake filter...ie K&N?

Even 1-2 MPG would be nice.

I'd also like to know if those guys that have 19" wheels experience any difference. I would think the unsprung diameter would inhibit standing starts a little more and possibly make for worse mpg.

I have 18's.
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      07-09-2008, 10:02 AM   #75
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Quote:
Originally Posted by ericld View Post
angry?

That is the tone of your post.
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      07-09-2008, 10:06 AM   #76
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Originally Posted by cosmos515 View Post
You guys should not complain, us S85 guys are getting 9.8. So yes, single digits. I get on a good day 210 miles per tank.

I get 12... but let me say that I drive in P400 more often than P500. I would probably get about 10 in P500 mode.
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      07-09-2008, 10:08 AM   #77
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I tend to get 18 on average (4000 miles in).
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      07-09-2008, 11:25 AM   #78
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Quote:
Originally Posted by ericld View Post
3 stops for gas?

Pretty much one tank. But I remember that I got 16-17 when I first had my e46 M3, so this is already an improvement. I am sure over 20 average is easily doable, but then you are not having much fun driving it!

Best,

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      07-11-2008, 01:02 PM   #79
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Quote:
Originally Posted by ericld View Post
I'm still extremely annoyed by the MPG of the M. I'm not really worried about the money it takes to fill the tank, it's just how OFTEN you have to do it that's the annoyance. I have about 600 miles on my car and I am going to need to get gas today... FOR THE 4th TIME. I paid cash for the car, I can afford to fill it up. But I'm sick of stopping for gas all the time.

The sticker says 14-20. BS. In normal everyday driving where I keep my foot out of it I am getting 11.9 (says the computer) but in actuality, math says I'm getting 10.5. Almost single digit gas mileage in the year 2008. WTF?

Just as a test I did everything I could to get 20 last week. I took highway routes, kept the RPM's in the 2k range, rolled to stoplights in neutral, air conditioner off, etc...Never did better than 13.8

THAT is ridiculous. My friends 997 gets 19 all the time. If I drive like an angel I can get our SUV above 22. Bad engineering on BMW's part.
Wow. that hurts... On my E92 335i, with the V3 chip making 400+hp and 420+ tq I was getting 23mpg average with 1-2 WOT runs on my 40 mile a day commute, 80% freeway. Around town I was getting 17-18, Freeway yielding 24-30!
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      07-11-2008, 01:06 PM   #80
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Get a fuel tank extend in your trunk
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      07-11-2008, 02:42 PM   #81
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Came from ED and drove with a combination of Autobahn, city and mountains. The car average 18.1 mpg and to me it is not bad considering it is still in break-in. In the Autobahn I average @ 90 mph (fluctiating from 75 mph to 120 mph). I should have checked my average speed.
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      07-11-2008, 02:49 PM   #82
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As your car breaks in your MPG will increase, started off in the low to mid teens, getting much more now E93 335i here...
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      07-11-2008, 03:46 PM   #83
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I drive mine like I stole it (and I really do) and if I add in motorway miles when I cruise at 80-90mph it still averages 19mpg.
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      07-11-2008, 04:17 PM   #84
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I drive mine like I stole it (and I really do) and if I add in motorway miles when I cruise at 80-90mph it still averages 19mpg.
Leg-man,

What did you do, swap the 4 litre out for a Beetle motor. Every time I see a picture of your car on those wheels I cringe with envy. Now that is how a Twenty First Century German sports car is suppose to look and perform.
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      07-11-2008, 05:18 PM   #85
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I drive mine like I stole it (and I really do) and if I add in motorway miles when I cruise at 80-90mph it still averages 19mpg.
Strange, strange. Not only do I have 7 speed M-DCT but I typically cruise at about 80 on the freeway and have a long commute. I have yet to average in the 18s yet. Ugh.... bloody M-DCT
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      07-11-2008, 05:29 PM   #86
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Strange, strange. Not only do I have 7 speed M-DCT but I typically cruise at about 80 on the freeway and have a long commute. I have yet to average in the 18s yet. Ugh.... bloody M-DCT
19 miles per imperial gallon isn't that surprising.


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      07-11-2008, 05:55 PM   #87
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Just took my new DCT M3 Coupe from Irvine to Vegas today, before I started the car had 200 miles on the odometer

Averaged 19.9 MPG the whole trip and most of the time I was doing between 80 - 100
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      07-11-2008, 06:49 PM   #88
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I usually average 30mph on my trips to and from work. Now averaging 14.3mpg with 400 miles on the car. This is with easy break-in driving, with low rpm shifts.
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