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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > POOR GAS MILEAGE??? HELP!!



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      01-10-2006, 02:01 PM   #23
espo
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The first major highway drive in the car (before the end of the of the breakin) I was getting about 24-25 MPG. Next major trip (after about 1500 miles), I got close 25-26 MPG. Last run (at 2600 miles) got closer to 28 MPG. Each time I was averaging about 75-80 mph. So it does seem to be getting better.
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      01-10-2006, 03:55 PM   #24
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should i reset my mpg's every time i fill up to see what im getting? if so, i plan on giving it a try today.
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      01-10-2006, 04:10 PM   #25
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Quote:
Originally Posted by JOYRIIDE1113
should i reset my mpg's every time i fill up to see what im getting? if so, i plan on giving it a try today.
Why not simply fill your tank up completely. The next time you fill up completely, just look at how many gallons you put in. Then look at your odometer and do simple math:

Miles travelled / Gallons used = Miles per Gallon

I don't know how accurate the car's electronics are for the mpg feature, but why not just do it the old fashion way and see for yourself? It's easy enough.
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      01-10-2006, 09:48 PM   #26
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be sure to release your parking brake before you drive


happy motoring!!!
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      01-10-2006, 09:49 PM   #27
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Quote:
Originally Posted by LEDZEP
Cooler temperature will yield lower gas mileage in every car.
cooler air is more dense, so you should get better power and mileage in cooler climates. it's like having a free and poorly functioning intercooler. (you shouldn't see a diff, but cooler should give better MPG, slightly very very slightly)
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      01-11-2006, 07:28 PM   #28
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thanks a lot everyone for the help, turns out there actually was somtin up with the car since service called me and set up an appointment! i gotta take it in on friday to see whats up. gotta sit tight until then thnx guys
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      01-11-2006, 07:31 PM   #29
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huwuuouh???

they called you??? that's crazy!
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      01-13-2006, 10:32 PM   #30
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Well, I just filled up my gas tank for the first time. The car was handed over to me new with a full tank of gas. After travelling 203 miles, 75% freeway, 25% city, I averaged 20.5 mpg. The odometer now reads 208 miles.
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      01-13-2006, 10:41 PM   #31
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22 mpg.......90% highway........
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      01-13-2006, 10:43 PM   #32
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I don't know about anyone else but, since the mini "gas-crisis" that we had when prices rocketed upwards & then shot back down in September, I've been getting poor mileage on BOTH my E46 & my E90.

I've talked to others about this....that own other vehicles...they have noticed the same thing. I think these bastard oil companies are watering down the gas somehow. I know they add more ethanol during the winter, but this is completely ridiculous. I've never gotten such horrible mileage with my 323Ci...and we've had much, much worse winters here on the East coast than this before.

Something's defiinitely NOT right....and its not our cars
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      02-17-2006, 10:59 AM   #33
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My mileage may vary

Interesting thread. I have about 600 mi on my 325xi with Steptronic and drive about 25/75 suburban/hwy, that's by mileage, not time. (mostly running D, except for when I merge). I have been getting slowly improving mileage with time, now running about 21, though I haven't reset the calculator yet.

I was wondering how people's experience with manual, step with manual mode, and D have been. The manual mavens seem to harp on gas mileage, but I wonder if people who enjoy manual so much might also have a different driving style (lots of acceleration/decelaration), which may bite into the theoretical gains.

Thoughts?
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      02-17-2006, 12:02 PM   #34
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i was getting 24-25mpg, now im getting 26mpg.
i also think if u keep your revs too low and you're trying to go faster, u will get a lower mpg.
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      02-17-2006, 12:22 PM   #35
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Quote:
Originally Posted by RichReg
I don't know about anyone else but, since the mini "gas-crisis" that we had when prices rocketed upwards & then shot back down in September, I've been getting poor mileage on BOTH my E46 & my E90.

I've talked to others about this....that own other vehicles...they have noticed the same thing. I think these bastard oil companies are watering down the gas somehow. I know they add more ethanol during the winter, but this is completely ridiculous. I've never gotten such horrible mileage with my 323Ci...and we've had much, much worse winters here on the East coast than this before.

Something's defiinitely NOT right....and its not our cars
I agree. I noticed the same thing with my A4 and my friend noticed it with his E320. There is definitely something wrong with the gas these days..
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      02-17-2006, 12:31 PM   #36
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mine has 9800 miles im getting 21.8 mpg, on reg
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      02-17-2006, 12:36 PM   #37
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I think i also depends on where u get gas from. I always go to BP. I always get 25.8-26.7 mpg. U can usually tell the better places to fillup at when u check how many miles u will get out the tank( check it on the cpu. right after u fillup)
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      02-17-2006, 01:03 PM   #38
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Quote:
Originally Posted by RichReg
I don't know about anyone else but, since the mini "gas-crisis" that we had when prices rocketed upwards & then shot back down in September, I've been getting poor mileage on BOTH my E46 & my E90.

I've talked to others about this....that own other vehicles...they have noticed the same thing. I think these bastard oil companies are watering down the gas somehow. I know they add more ethanol during the winter, but this is completely ridiculous. I've never gotten such horrible mileage with my 323Ci...and we've had much, much worse winters here on the East coast than this before.
Something's defiinitely NOT right....and its not our cars
Is it April 1 already? <BBG>
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      02-17-2006, 01:27 PM   #39
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This thread makes me feel a little better. I'm doing mostly stop n go city/backroads driving on my roundtrip 6 mile commute to work and have only taken the car on the highway 2-3x. (about 90% city driving)

After 1.5 tanks and approx 390 miles. I'm averaging about 16.5 mpg - I sure hope this improves. I figure with city driving - I should be in the 18-20 range.
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      02-17-2006, 01:32 PM   #40
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I have a 330i--drive aggressively--and am getting 24.5 miles per gallon. I have had my 330i since early June 2005--I have 9000 on my odometer.
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      02-17-2006, 02:02 PM   #41
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My mileage slowly increased during the first 700 miles. When I passed the break-in period and started going heavier on the throttle it dropped like a rock.

Living in an urban area like Southern California makes it tough to get good mileage. When you accelerate from a stop light the MPG needle goes all the way down. As soon as you get up to cruising speed and the needle starts coming up its time to stop again. I canít get above 21mpg unless I can get some cruising time between stops.

Unless the poor mileage is being caused by a system malfunction, you just need to pay the price and smile. I donít think anybody bought their BMW to save money.

Good luck.
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      02-17-2006, 02:19 PM   #42
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Quote:
Originally Posted by Casey 5
I have a 330i--drive aggressively--and am getting 24.5 miles per gallon. I have had my 330i since early June 2005--I have 9000 on my odometer.
Interesting.....I got mine in late June. In July & August, the computer told me I was getting 24.5. Ever since mid-September I've been getting about 20.3. :mad:

Casey, have you gone in at all for any service since June?
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      02-17-2006, 02:21 PM   #43
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Quote:
Originally Posted by younghov85
I think i also depends on where u get gas from. I always go to BP. I always get 25.8-26.7 mpg. U can usually tell the better places to fillup at when u check how many miles u will get out the tank( check it on the cpu. right after u fillup)
I tried that too...went from Raceway to Shell to Exxon...same shitty mileage. I was getting about 380 miles a tank on my E46 & now I get about 320 if I'm lucky. :mad:
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      02-17-2006, 03:08 PM   #44
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Quote:
Originally Posted by ksfrogman
Are you keeping track of the exact number of miles travelled and gallons used? Just divide miles/gallons for your mpg. I'm not sure how accurate the car's computer is.
I always divide miles/by gallons when filling up. I have been getting between 20.3 and 21 mpg (city only no freeway/expressway driving) from the very first tank full--60% "spirited" driving.
and on two trips when I drove 200mi roundtrip each in moderate traffic got 28.5mpg! my experience is that the on-board computer is @.7 to 1 mpg optomistic from my real world calculations

Last edited by StevoSEA; 02-17-2006 at 09:37 PM.
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