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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > 12.6 mpg ? Is that normal



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      10-11-2012, 12:38 PM   #1
Rae604
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12.6 mpg ? Is that normal

12.6 mpg ? Is that normal

I have a 2006 325i, on my dash board it says 12.6 l/100km. Is that another way of saying that I'm doing 12.6mpg ?

Let me know
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      10-11-2012, 01:20 PM   #2
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It means you are burning 12.6 liters of fuel for every 100km you drive. It works out to be about 18.7mpg which is still really poor for a 325i, unless you are always stuck in traffic.
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      10-11-2012, 01:42 PM   #3
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It's always been a constant 12.6l it never changes, is there something wrong with my car. I only drive my car in the city, so I don't drive it like a maniac. Is it based of how I drive the car ?
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      10-11-2012, 03:30 PM   #4
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It's a function on traffic (city vs highway) and how hard you drive your car. If shows your consumption to date. You can reset the meter and see if it changes . I do a lot of stop and go traffic in the city especially rush hour and I average 13.5 litres / 100 km.
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      10-11-2012, 03:40 PM   #5
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I would suggest to reset it then drive for a few days and then check again. My other car 330i ZHP was averaging 14l/100km so 12.6l/100 on 325 sound normal to me.
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      10-11-2012, 04:56 PM   #6
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That's low if you don;t do permanent WOT.

Play with the onboard computer, you can reset the counter and set it to MPG. Its on the center console (menu, config, if I remember correcly).
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      10-12-2012, 02:55 AM   #7
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Ok I'll try resetting it, and btw what did you mean by permanent " WOT " ?
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      10-12-2012, 02:57 AM   #8
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Quote:
Originally Posted by Meeni
That's low if you don;t do permanent WOT.

Play with the onboard computer, you can reset the counter and set it to MPG. Its on the center console (menu, config, if I remember correcly).
Ill try resetting it and what so you mean by permanent " WOT " ?
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      10-12-2012, 02:59 AM   #9
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What kind of mpg should a 2006 325i be making anyways ?
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      10-12-2012, 10:33 AM   #10
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WOT=Wide Open Throttle

Normal values in L/1000km should be around 10.5-11. That's 22 to 24 mpg.

Lower values are anomalous, but not impossible if you drive aggressively or in heavy traffic. Under 18mpg is not normal, whatever driving condition.
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      10-12-2012, 04:09 PM   #11
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Quote:
Originally Posted by Meeni
WOT=Wide Open Throttle

Normal values in L/1000km should be around 10.5-11. That's 22 to 24 mpg.

Lower values are anomalous, but not impossible if you drive aggressively or in heavy traffic. Under 18mpg is not normal, whatever driving condition.
Alright so I changed it to mpg, now it says 18.6mpg but it still doesn't change while I'm driving. Umm I tried resetting it, but I'm not sure f I did it right. And about the WOT what should I do ?
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      10-20-2012, 08:24 AM   #12
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Quote:
Originally Posted by Rae604 View Post
Alright so I changed it to mpg, now it says 18.6mpg but it still doesn't change while I'm driving. Umm I tried resetting it, but I'm not sure f I did it right. And about the WOT what should I do ?
You're not sure if you reset it correctly??? Did it go back to 0.00 (or, I believe, ---)? If it still reads the same... then you certainly did not! Just hold that button down, baby, and don't be shy!
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      10-20-2012, 12:05 PM   #13
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yay it still reads the same so yay I guess I didn't reset improperly
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      10-22-2012, 03:29 AM   #14
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ok this time I'm 100% sure I did it right. it still reads the same, the only thing that changed was my km's my car use to be at 102k now its 64k. what's going on, I saw a check mark beside the reset after holding it down so I assumed it worked but it didn't. it still says 18.6mpg
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      10-22-2012, 09:19 PM   #15
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any idea
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      10-23-2012, 12:07 PM   #16
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A check mark by reset? While MPG is showing on the dash display, push and hold the "BC" button on the turn signal stalk and it goes to 0 or the current MPG if your driving.
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      10-24-2012, 01:25 PM   #17
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yay it was a check mark sorry about that, And ya I pushed and hold the bc button and my mpg still remained the same which is 18.6
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      10-24-2012, 02:47 PM   #18
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nom got it working, thanks guy
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