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      02-22-2013, 11:51 AM   #45
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I was getting around 23 mpg (mostly highway). Then recently, I took a trip, No eco mode, ASS off, and I got an average of 29mpg. I've got about 4k on the odometer.

Someone told me that BMW's run rich to help break-in, then lean out. So the difference is more dramatic after break-in. I don't know if that is true or not. But I'm getting much better gas mileage now.
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      02-25-2013, 03:19 PM   #46
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Um, that is called a turbo...
Good point. I hadn't actually thought of that...
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      02-27-2013, 02:04 PM   #47
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Another data point. My sDrive has a shade under 3K miles on it. I had to take a freeway trip yesterday. I reset the trip computer and set off. Driving conservatively without EcoPro but with ASS (which only helped at the lights on the way to the freeway) I managed to get 33.1 MPG according to the computer.

The only downside is that driving that way was a major bore. A beat up looking early 90's Civic passed me for example.

If you drive it like a Prius you can hit the EPA numbers. If you drive it like a BMW you'll be way off but probably enjoy yourself much more. I drove aggressively coming back and by the time I got home I'd pushed the MPG down to 22. But I came back mostly surface streets because the freeway going the other way backup up due to an accident.
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      03-03-2013, 06:11 PM   #48
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I've been lurking here for awhile. I guess it's time I weighed in on the 'disappointing' mileage I have been getting from my xDrive 28i (~2000 mi). Based on three consecutive tank fulls of pure city driving I got 16.2 mpg. This was using the paddle shifters in sport mode. After that I decided to see what Eco-Pro in D would get me. After a week and half a tank full (all I could stand) I got 17.0 mpg. That is a hell of a long way from 22 mpg! My city driving may be more severe than most (no freeway, stoplights/signs every 3-5 blocks, 21 mph avg) but it's still disappointing.

My highway milage isn't much more encouraging. I've taken two trips since new. The first one was two tanks at about 1000 mi on the odometer. I got 27.3 mpg at 75-80 mph (indicated) in Eco-Pro. The second trip was 240 miles at a steady 75 mph indicated (72 mph actual), also in Eco-Pro. This yielded 28.0 mpg.

Yes, it's winter with winter blend gas, but I can't see these numbers going up by more than 2 mpg when it warms up. I don't see any way to get the EPA numbers.

Other than that, I love my X1!
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      03-03-2013, 10:54 PM   #49
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Brand new car, less than 600 miles. Driving with a heavy foot and three other passengers has yielded an average of 24/25 mpg (trip meter reset w/ each tank of 92 octane, ethanol-free gas), Eco-pro off and ASS on.
Pretty sure I could improve on those numbers after car is broken in and I drive conservatively (right!) in Eco-pro mode.
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      03-03-2013, 11:20 PM   #50
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92 octane, ethanol-free gas
You're so lucky...
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      03-05-2013, 09:47 AM   #51
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Quote:
Originally Posted by Tirpitz View Post

If you drive it like a Prius you can hit the EPA numbers. If you drive it like a BMW you'll be way off but probably enjoy yourself much more.
+1. 5k miles on my xdrive 28i. I'm not hitting sticker numbers. Pure freeway driving I'm hitting 28-30. But this is averaging 75-80 mph. I'm sure if I was going 65-70 I could hit the right numbers. But who can drive like that? Around town I'm 22-24 per tank. But that is with a fair amount of freeway mixed in as I live 20 miles from the city.

I'm also not using Eco-Pro. I find it frustrating. My Fiat could take off from a red light faster than this car with the Eco-Pro on. I did not buy a BMW to drive it like a granny.

Would I like the mileage to be better? Yes. But then I would have bought a different car.
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      03-05-2013, 10:08 AM   #52
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sDrive28i. First 200 miles. 24mpg for city driving (10 mile trips).
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      03-05-2013, 11:37 AM   #53
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Quote:
Originally Posted by Tirpitz View Post
If you drive it like a Prius you can hit the EPA numbers. If you drive it like a BMW you'll be way off but probably enjoy yourself much more. I drove aggressively coming back and by the time I got home I'd pushed the MPG down to 22.
I **AM** driving it like a Prius. In pathetic slow eco-mode. MUCH slower than my TDI would drive away from every stop. It doesn't matter HOW you drive it, it NEVER gets anywhere close to 30-something mpg.

I am very frustrated with the extremely poor gas mileage I am seeing with this car! I've now done three highway-only VT ski trips - all have the same poor 21 mpg.

No matter how I drive (eco vs comfort, but hardly ever sport) or what fuel I use (Euro premium vs US premium vs US regular) or how many of my usual eco driving tricks I use (coasting in N down every hill or stop, drafting behind trucks, auto start/stop at EVERY stop)... I only see 20-22 mpg!! Pathetic!

I NEVER see the 33 mpg hwy that BMW and the EPA promise for this car.

21 mpg is ridiculous - this is not a large roomy car or SUV!

It feels like I'm driving a Suburban - the way it hoggishly sucks down all the gas in seconds! Every time I look down - the tank has less - I bet you could actually watch the needle move down as you drive.

Each Vermont ski trip now takes TWO tank refills - one each way?!?! With the TDI I never thought twice about driving anywhere. I'd fill the TDI up before the trip, get there and back, and have enough to last the rest of the week. The X1 range seems only 300 miles, versus 700-800 miles range on TDI. Now I ask: is this free VT ski ticket worth it since the crappy X1 will take $80-$100 just to get me there and back. This is making me pissed!!

I didn't think the X1 would be as good as a VW TDI in mileage performance, but only slightly (33mpg vs 50mpg) worse. 21 mpg is pathetic for a 'smaller 4-cyl' eco-car that is supposed to be good on mileage.

Here are my two screenshots - the first one is for the ENTIRE first 2K miles I put on the car in Europe. The second is one was reset to capture an entire recent VT ski trip (this one like the other three ski trips - pulled out all the eco stops - eco mode the whole trip, premium gas, coasted in N down every hill, drafted 3ft behind tractor trailers for sections, auto-off on every stop, watching the mpg needle like a hawk to minimize my foot push, etc). Did no good... I only get 21mpg no matter what I do.





Also keep in mind that when I measure my mpg manually (miles/gallons filled up), I always see less actual mpg than the above computer screens show (up to 1 mpg less than shown on the screen).

I'd be OK if I got 30-something pulling out all the tricks... but nothing I can do gets the car anywhere near 30+ mpg. I feel scammed.

What are you seeing for a complete highway trip? For a whole gas tank?

Last edited by Teleskier; 03-05-2013 at 12:03 PM.
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      03-05-2013, 11:46 AM   #54
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Just as a reference, I get 21-22 mpg on the highway in my M :
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      03-05-2013, 05:07 PM   #55
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Quote:
Originally Posted by Teleskier View Post
What are you seeing for a complete highway trip? For a whole gas tank?
The first week I had the car it went from LA to Sacramento for Thanksgiving. One tank up, one tank back. No EcoPro and mostly was going 75-80MPH. If I remember correctly I was just above 31MPG outbound and 29MPG inbound, the difference being about 1,000 feet of elevation change coming back. Again that is brand new with very little milage on it. I did keep the revs down and tried to vary my speed a bit for break in purposes so the transmission did not get to settle down much.

That was all computer calculated so if you don't believe the CPU you can discount! I just found my photo and it say 947 miles, 29.7MPG, 62.2MPH.

The car can do it. I can't tell you why your car can not but I'd start to wonder if something was screwy in my drive train.
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      03-05-2013, 05:42 PM   #56
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I have 4700 miles and average is 22.4 but 85% city. Two highway trips at 75-85 and got over 30 on both trips combined 600 miles and I ran pretty hard with a lot of passing. If someone's getting 21 hwy there is something wrong with their X1.
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      03-05-2013, 08:33 PM   #57
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I feel scammed.
Maybe a Prius is in your future after all.
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      03-06-2013, 08:21 AM   #58
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I have been averaging 21.3 in my 35i with mostly city driving back and forth to my office. Haven't taken it on a highway trip yet..
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      03-06-2013, 08:39 AM   #59
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I have been averaging 21.3 in my 35i with mostly city driving back and forth to my office. Haven't taken it on a highway trip yet..
That sounds right around the target combined mileage rating of the 35i.
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      03-06-2013, 08:50 AM   #60
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That sounds right around the target combined mileage rating of the 35i.
My average speed has been 24.5... So I am excited to see what it does on the highway mileage wise
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      03-06-2013, 12:02 PM   #61
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I am coming on 3K miles, in Los Angeles driving with my average speed now just over 30mph. Yup. And the tank average - not reset since i got the X1 - is just under 27mpg. I think the OP has an X1 with a problem...
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      03-06-2013, 02:15 PM   #62
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I'm seeing 27.6 mpg with an average speed of 50 mph. The current tank is averaging over 28 mpg. I'm getting about 400 miles out of a tank with some range left.
Sdrive, no ECO at all, moderate driving at 75-80 on the freeway, mostly highway miles.

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      03-07-2013, 01:49 PM   #63
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So what can I do to figure this out? Is it me or is it my car?

Do I bring the car back to the dealer for a checkup? Worth doing?

What should I ask them to check for?
  • Could my spark plugs be improperly gapped or fouled from the factory?
  • Could my car be running WAY more lean than it should be?
  • Could this be the way M sport models are programmed - to run more rich than non M sport?

Scanning the previous posts, a lot of folks don't mention if they are sDrive or xDrive, for those that did it seems people are seeing:
  • sDrive folks are seeing 30-something hwy, I don't see any Xdrive models reporting that. Tirpitz sDrive is 24 avg, saw 33 one trip
  • 2.8 Xdrives: 3val is seeing 23.5, HotRod 25, RoCGuy 28, jph1 started 23 but grew to 29 @ 4k miles, SpinyN 16 avg, 17, one 28 trip. LeatherP 24.5.

Other thoughts from the posts :
  • In many (nay - most) of the better mpg reports, people are NOT using eco-mode
  • I have yet to try a long highway trip without eco-mode, since you can feel the car moving so sluggishly, that I assume the lack of moving out of its own way MUST be saving me some gas. All eco, except I pop the gearshift into Sport in the 30-seconds where I need to pass a particularly annoying SUV - maybe 5 times each way on a 4-hr VT ski trip - 2.5 minutes of Sport on a 4-hr eco-hwy trip.
  • Perhaps I should have bought the 3.8 instead. When I chipped my TDI, I got more power AND my mpg went up. Watching myself with a critical eye, I do push the pedal until the car responds with at least SOMETHING. Doesn't everyone? I wonder if this "car finally moves at all" point happens sooner in a 3.8 xDrive or on 2.8 when NOT in eco-mode.

For example, here is a frequent eco-mode scenario for me. A gap has opened between me and the car ahead. In Boston, this means I will quickly have 5-then-10-then-15 cars cut in to fill in this suddenly appearing void. This never happens in my 50mpg TDI. But Fine. I take a deep breath. I remind myself that I am in eco-mode, like a Prius, and gaps will happen. I will SLOWLY try to close the gap, in anemic eco-mode fashion. When in eco-mode, I am trying to be a miser with the gas pedal, watching the mpg needle and how the car reacts. Here's the typical play by play:
  1. I push the gas pedal 3 inches, mpg needle goes from 28=>25, results in no movement in car yet, 5 cars cut into the gap.
  2. So I push another 2 inches, mpg needle goes from 25=>20, results in no movement in car yet, 10 cars cut into the gap.
  3. So I push another 2 inches, mpg needle goes from 20=>15, results in no movement in car yet, 15 cars cut into the gap.
  4. So I push another 2 inches, mpg needle goes from 15=>pegs below 12, FINALLY results in SOME slow movement, I start to slowly inch creep forward.

Is this your X1 experience? In order to get the car to move AT ALL, the needle ALWAYS drops to be pegged below the 12mpg scale cutoff. I see this 100% of the time I watch the needle (which is most of the time). Any car movement at all = pegged below 12mpg. Not a JUMP ahead mind you - a simple anemic CREEP ahead. Equals pegged below 12mpg.

It bothered me that BMW chose the wrong scale for the needle. Why start at 50mpg and end at 12mpg, when all I ever see is 28mpg max and 6mpg min. The scale seemed off for the real-life values seen.

Or maybe the scale is right after all, and there is something wrong with my car?

Any ideas? Is this what you see and experience in *YOUR* X1?
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      03-07-2013, 02:33 PM   #64
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Quote:
Originally Posted by Teleskier View Post
  • Perhaps I should have bought the 3.8 instead. When I chipped my TDI, I got more power AND my mpg went up. Watching myself with a critical eye, I do push the pedal until the car responds with at least SOMETHING. Doesn't everyone? I wonder if this "car finally moves at all" point happens sooner in a 3.8 xDrive or on 2.8 when NOT in eco-mode.
Correction:
There is no 3.8. There is no 2.8 either.
28i = 2.0 l
35i = 3.0 l

As for comparing to a TDI, that's a whole different kettle of fish. See the second paragraph of http://en.wikipedia.org/wiki/Throttle_response for some explanation of why it can differ so much, and diesels being more responsive.
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      03-07-2013, 03:50 PM   #65
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My two hwy trips in sdrive M sport were both in Eco Pro mode and I averaged over 30 at 75-85. I don't think it matters that much at those speeds because you are in overdrive or 8 with or without Eco Pro.
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      03-07-2013, 04:12 PM   #66
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Quote:
Originally Posted by Teleskier View Post
So what can I do to figure this out? Is it me or is it my car?

Do I bring the car back to the dealer for a checkup? Worth doing?

What should I ask them to check for?
  • Could my spark plugs be improperly gapped or fouled from the factory?
  • Could my car be running WAY more lean than it should be?
  • Could this be the way M sport models are programmed - to run more rich than non M sport?

Scanning the previous posts, a lot of folks don't mention if they are sDrive or xDrive, for those that did it seems people are seeing:
  • sDrive folks are seeing 30-something hwy, I don't see any Xdrive models reporting that. Tirpitz sDrive is 24 avg, saw 33 one trip
  • 2.8 Xdrives: 3val is seeing 23.5, HotRod 25, RoCGuy 28, jph1 started 23 but grew to 29 @ 4k miles, SpinyN 16 avg, 17, one 28 trip. LeatherP 24.5.

Other thoughts from the posts :
  • In many (nay - most) of the better mpg reports, people are NOT using eco-mode
  • I have yet to try a long highway trip without eco-mode, since you can feel the car moving so sluggishly, that I assume the lack of moving out of its own way MUST be saving me some gas. All eco, except I pop the gearshift into Sport in the 30-seconds where I need to pass a particularly annoying SUV - maybe 5 times each way on a 4-hr VT ski trip - 2.5 minutes of Sport on a 4-hr eco-hwy trip.
  • Perhaps I should have bought the 3.8 instead. When I chipped my TDI, I got more power AND my mpg went up. Watching myself with a critical eye, I do push the pedal until the car responds with at least SOMETHING. Doesn't everyone? I wonder if this "car finally moves at all" point happens sooner in a 3.8 xDrive or on 2.8 when NOT in eco-mode.

For example, here is a frequent eco-mode scenario for me. A gap has opened between me and the car ahead. In Boston, this means I will quickly have 5-then-10-then-15 cars cut in to fill in this suddenly appearing void. This never happens in my 50mpg TDI. But Fine. I take a deep breath. I remind myself that I am in eco-mode, like a Prius, and gaps will happen. I will SLOWLY try to close the gap, in anemic eco-mode fashion. When in eco-mode, I am trying to be a miser with the gas pedal, watching the mpg needle and how the car reacts. Here's the typical play by play:
  1. I push the gas pedal 3 inches, mpg needle goes from 28=>25, results in no movement in car yet, 5 cars cut into the gap.
  2. So I push another 2 inches, mpg needle goes from 25=>20, results in no movement in car yet, 10 cars cut into the gap.
  3. So I push another 2 inches, mpg needle goes from 20=>15, results in no movement in car yet, 15 cars cut into the gap.
  4. So I push another 2 inches, mpg needle goes from 15=>pegs below 12, FINALLY results in SOME slow movement, I start to slowly inch creep forward.

Is this your X1 experience? In order to get the car to move AT ALL, the needle ALWAYS drops to be pegged below the 12mpg scale cutoff. I see this 100% of the time I watch the needle (which is most of the time). Any car movement at all = pegged below 12mpg. Not a JUMP ahead mind you - a simple anemic CREEP ahead. Equals pegged below 12mpg.

It bothered me that BMW chose the wrong scale for the needle. Why start at 50mpg and end at 12mpg, when all I ever see is 28mpg max and 6mpg min. The scale seemed off for the real-life values seen.

Or maybe the scale is right after all, and there is something wrong with my car?

Any ideas? Is this what you see and experience in *YOUR* X1?
When I am cruising (60-70 mi/h)the needle stays between 40-50mpg. When I accelerate on highway (not flooring it but feeling sufficient pull) the needle goes to 20.

I think you do have an issue with the car. I would take it to the dealer and compare yours with the one on the lot just like yours power-train wise. Compare the MPG needle readings while cruising on highway.

I wonder that the injector(s) might be slightly leaking causing poor gas mileage.
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