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BMW 3-Series Real World MPG

74 messages,  Last post on Nov 16, 2008 at 8:48 AM

You are in the BMW 3-Series Forum. Your Hosts are pat & karens

What is this discussion about? BMW 3 Series, Fuel Efficiency (MPG), Sedan


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#55 of 74
Re: My 2007 Data [absolutic] by davidd3
Dec 27, 2007 (12:35 pm)
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Replying to: absolutic (Dec 27, 2007 8:59 am)

Mine on my 328i is steady 19.1-19.3 mph 80% City/20% stop-and-go freeway.
 
Your city/highway mix is heavy on city driving (80%) and even your highway miles (20%) are stop and go. I think 19+mpg is good for your particular circumstances.
 
I have 11,000 miles on it. I assume it will improve a little as I drive another 5-10,000 miles and I will be very happy.
 
My 2006 330i has 35,000 miles on it. While many people say gas mileage improves after the first x,000 miles, I have never personally experienced it. With my cars, the mpg from the beginning is pretty much the same throughout.
#56 of 74
Re: My 2007 Data [davidd3] by Mr_Shiftright HOST
Dec 27, 2007 (4:24 pm)
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Replying to: davidd3 (Dec 27, 2007 12:35 pm)

I agree. By 3,000--5,000 miles you are locked in.
#57 of 74
2007 328i: MPG Improving by dmaccioc
Feb 23, 2008 (8:21 am)
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I live in the SF Bay Area and have been averaging 19-20 with stop/go traffic (70%) and highway (30%). I have just over 6700 miles now and for the last 500 or so miles my mileage has jumped up pretty significantly, averaging 23.0 without a change in driving pattern. Nice! I've only been filling it with Shell 91, seems to be a pretty good formulation.
 
I was able to fill up one day, get right on the highway, and drive about 45 minutes WITHOUT traffic (I was shocked) doing 75-85mph and averaged 32.3 mpg roundtrip. The engine is clearly fuel efficient if given the right opportunity. Looking forward to a weekend trip to LA in a few weeks to get an even better assessment.
 
Just wanted to post my results thus far, will keep you posted after the LA trip (approx 5 hours). Still can't believe I haven't changed the oil yet, I'm starting to lose sleep about waiting another 9k miles to change it!
#58 of 74
Re: 2007 328i: MPG Improving [dmaccioc] by Mr_Shiftright HOST
Feb 27, 2008 (4:17 pm)
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Replying to: dmaccioc (Feb 23, 2008 8:21 am)

With the BMW 6 cylinder engine, you need to be able to spend time in overdrive gear for the mileage to improve significantly.
#59 of 74
2006 325XI by new0rder
Mar 04, 2008 (7:58 am)
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I think the bridge stone RFT with noise got the mileage low, I am getting about 20.2 50-70 mph on highway, day to day work travel 24 miles. I was getting more when the car is new. atleast 23mpg
#60 of 74
Re: 2006 325XI [new0rder] by circlew
Mar 04, 2008 (8:17 am)
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Replying to: new0rder (Mar 04, 2008 7:58 am)

Tire pressure is key.
 
Regards,
OW
#61 of 74
2007 328i by arm51
Mar 09, 2008 (10:54 am)
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The 328i manual that I drive sporadically usually gets around 22-23 mpg in the city if driven carefully. When I drive with a bit more enthusiasm, it drops to about 17-19 mpg. On the highway, it generally sits around 30; however the best tank so far has been 32mpg.
#62 of 74
MPG Feature in On Board Computer by davidd3
Mar 24, 2008 (5:51 pm)
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For a long time the mpg feature of my BMW's on board computer was quite accurate, varying from actual mpg by no more than 0.25mpg. Now, 2.5 years later, I'm noticing it regularly indicates an mpg which is off (always too high) by 0.5mpg to 0.75mpg. This is my first car with this feature. Are these things just not too accurate or is mine off enough to have it checked out on the next visit to the service center?
#63 of 74
Re: MPG Feature in On Board Computer [davidd3] by fedlawman
Mar 24, 2008 (7:08 pm)
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Replying to: davidd3 (Mar 24, 2008 5:51 pm)

Maybe your tires have worn down?

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