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  1. #1
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    X5 35D trip stats - 700 miles, 74.6mph avg, 21.4mpg...~10 hours

    ...and I had a BMW 460 roof storage system on top. Really doesn't cause a lot of noise or handling issues. You notice it, but it is not that dramatic. Had it up to 100mph...drove a lot in the 80-85mph range without issue.

    Aquapel is absolutely essential IMO for high speed storm driving. : )

    2.5, 5-hour-energy's help.

    Only stopped at one busted diesel pump - so annoying having to stop twice for fuel. All diesel pumps are disgusting - pack disposable gloves; always.

    Later!

  2. #2
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    Put this in diesel. Honestly expected you to have higher MPG than that.

  3. #3
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Put this in diesel. Honestly expected you to have higher MPG than that.
    About what I expected honestly.

    ~5200lb+ curb weight
    100 lbs on the roof
    200lbs in rear
    340lbs adults
    50lbs baby and baby seat
    +massive reduction in aerodynamics with roof box - that is probably worth 2-4mpg there I would guess.
    + massive elevation changes, hard rain, high winds, curvy roads, etc...

    Also - remember that average means I spent time in the 60s also, and close to 100...and accelerating in between. Actually saw 1000F EGT at one point through the mountains in WV.

  4. #4
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    That's pretty good for the given variables, impressive.

    Now you've got to upgrade to a JBD tuner and report back to us. I really want to see these results
    Alpha ///N - YouTube: 95CSL
    Click here to enlarge

  5. #5
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    Click here to enlarge Originally Posted by singletrack Click here to enlarge
    About what I expected honestly.

    ~5200lb+ curb weight
    100 lbs on the roof
    200lbs in rear
    340lbs adults
    50lbs baby and baby seat
    +massive reduction in aerodynamics with roof box - that is probably worth 2-4mpg there I would guess.
    + massive elevation changes, hard rain, high winds, curvy roads, etc...

    Also - remember that average means I spent time in the 60s also, and close to 100...and accelerating in between. Actually saw 1000F EGT at one point through the mountains in WV.
    These are all very good points.

    What do you get when it is just you?

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    These are all very good points.

    What do you get when it is just you?
    The only time I ever did the same drive, the motor was not broken in so I don't think it is a fair comparison. It was also in the opposite direction. I believe I got about 21mpg in that case though. Car had less than 1k miles on motor though...

    When I drive it around town and for short highway bursts, I get about 19-20mpg combined.

    If Diesel were priced appropriately, the car would make more sense financially. Although, with all the purchase credits, and the torque : ), it still makes sense functionally and financially IMHO.

  7. #7
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    Click here to enlarge Originally Posted by singletrack Click here to enlarge
    it still makes sense functionally and financially IMHO.
    I would agree.

    Would be great to have the motor in the X3...

  8. #8
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    I would agree.

    Would be great to have the motor in the X3...
    35d in the X3 would be a monster - super fun to drive.

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    Click here to enlarge Originally Posted by singletrack Click here to enlarge
    35d in the X3 would be a monster - super fun to drive.
    My point exactly, don't know why they do not do it.

  10. #10
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    My point exactly, don't know why they do not do it.
    Everything is in SC just waiting to be assembled. Hopefully they will at least put the news 3L diesel in it that was mentioned in another article here. The X3 really looks nice on the road, and it makes a ton of sense in an environment like Pittsburgh. They are everywhere now...

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    When I have my 993 the name of the game was to reduce weight. We removed the spare, went to manual windows, light seats, mufflers, etc.
    I wonder how much we can trim from the X5d........

  12. #12
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    Click here to enlarge Originally Posted by m5d Click here to enlarge
    When I have my 993 the name of the game was to reduce weight. We removed the spare, went to manual windows, light seats, mufflers, etc.
    I wonder how much we can trim from the X5d........
    Seems like a shame to strip an X5.

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    All that weight and still got 21mpg @ avaerage of 80-100 mph, PRICELESS!! Wait till you break in more and you will see better mileage results

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    3 out of 3 members liked this post. Reputation: Yes | No
    21 is what i get with my 2012 X5d tuned during summer in the city. 17 winter time and 26 hwy. Not so great vs the gas version imo.

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    Return stats:

    71.5mph avg (UGH!)
    21.5mpg

    Note: We also picked up another 140lb passenger + 100lbs of luggage!

    Kind of shows how consistant this engine is - you do not notice the difference between driver and max load. It still pulls incredibly hard with all that load. You walk almost anything on the road...mainly minivans from Ohio in the left lane driving like twats. Saw 1000F sustained EGT again in Virginia and WV. Avg is around 600-800F.

    Also of note: One of my TPM sensors is on the fritz and it flashed randomly at least 6 times on the way home. Very distracting and annoying, and there is no corrective action that can really be taken. Can't even deactivate it through idrive. Will have to poke around in bav tech and see if there is anything to be figured out.

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    Great consistency there.

    I don't know if the Bav Tech lets you disable TPMS.

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    Just a bad tire sensor prolly. They are known to have issues.


    I bet your economy would be up in the 25s if you stayed below 70mph lol...my friends 335d gets driven at high speeds alot with a JBD on 95% and it still returns 29mpg or so

  18. #18
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    Yah, I can't go that slow. : )

    They think it's the control module, but they swapped the TPMS sensor and I haven't received the warning, so who knows. Suppose to go back and have them replace the module and reprogram.

    Actually the X5 is dead right now. Won't turn over and weird electrical glitches...I think the battery is dead. Gotta jump it...annoying. I'm pretty sure I had the key in the garage within range of the car (comfort access) and it drained the battery over a week+ - so stupid. Have to see. Something similar happened to my M3 when I was having it worked on. The shop left the key within range all day and then I was getting low battery warnings for a day before it fully recharged. Seems like there is some kind of bug here...

  19. #19
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    1 out of 1 members liked this post. Reputation: Yes | No
    dang, how do you guys get such good city mileage....im driving like a grandma and i can't get get anything better than 18mpg!

  20. #20
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    Click here to enlarge Originally Posted by Howiedds Click here to enlarge
    dang, how do you guys get such good city mileage....im driving like a grandma and i can't get get anything better than 18mpg!
    How old is the car? It will improve with mileage.

  21. #21
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    1 out of 1 members liked this post. Reputation: Yes | No
    its a new car, just got it a month ago.

  22. #22
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    Click here to enlarge Originally Posted by Howiedds Click here to enlarge
    its a new car, just got it a month ago.
    Oh yah - it will improve dramatically. Everything in the drivetrain is wearing in a bit. You'll probably gain 2-5mpg at cruise.

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