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BMW X3 and BMW X5 Real World MPG

34 messages,  Last post on Sep 28, 2009 at 1:42 PM

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#15 of 34 Re: 2004 x3 consumption has increased suddenly !! [softerik] by jrynn Dec 21, 2006 (1:10 pm)
Replying to: softerik (Dec 19, 2006 6:25 am) From a Chevron corporate website:   *****   Climate   Winter weather conditions can combine to lower fuel economy 20 percent, compared with the summer. In cold weather, a richer fuel-air mixture is required to start and warm up the engine. Also, much of the warmup may be done at idle (zero fuel economy) because of the need to defog or defrost windows. (During defogging/defrosting, many vehicles not only heat the air but use the air conditioner to dehumidify it.) More energy is required to overcome the resistance created by the higher viscosities of cold lubricants – engine oil, transmission fluid, and differential lubricant. Head winds increase air resistance; rain necessitates windshield wiper use; water or snow on the road increase tire-rolling resistance; and bad weather in general requires slowing to less fuel-efficient speeds.   In summer, head winds increase air resistance, and higher temperatures increase air conditioner use.   *****   Of course, the fuel consumption difference you're experiencing -- 10L to 14L per 1000km is greater than 20%. And if you didn't see a similar pattern in previous winters with your 2004, then it's hard to imagine the cause is simply weather/winter-time oxygenated fuel.   Hope you get it sorted out soon.
#16 of 34 2006 3.0 BMW X3 Real-world MPG by matrsoskin Dec 25, 2006 (2:37 pm)
I have 2006 BMW X3 with auto transmission. So far, I have put 9,200 miles on it and the numbers are:   City - 17.5 mpg   Highway - 25 mpg. On the 100 mi flat highway stretch I was able to get 26 mpg.   Matroskin
#17 of 34 Re: BMW X3 & X5: MPG - Real World Numbers [tidester] by greg45 Jan 24, 2007 (5:13 pm)
Replying to: tidester (Aug 03, 2006 1:04 am) If somebody has this figured out, it'll save me the math. My '04 X3 2.5L gets a miserable 15L/100KM, bouncing around 14.5 to 16. I'm curious (but lazy? Maybe stupid?) and wondering what that nets out for MPG. Thanks. Replies to this message: ghall (Feb 16, 2007 1:21 pm) nyccarguy (Nov 12, 2007 8:05 pm) roadburner (Nov 13, 2007 11:24 am) and 2 more...
#18 of 34 Re: BMW X3 & X5: MPG - Real World Numbers [greg45] by ghall Feb 16, 2007 (1:21 pm)
Replying to: greg45 (Jan 24, 2007 5:13 pm) I have a 2001 X5 3.0 and get great milage on the hwy I average about 24 mpg. Replies to this message: nyccarguy (Nov 12, 2007 8:05 pm) roadburner (Nov 13, 2007 11:24 am) nyccarguy (Nov 18, 2007 7:52 pm) and 1 more...
#19 of 34 Road Trip & Gas Mileage by nyccarguy Nov 12, 2007 (8:05 pm)
Replying to: ghall (Feb 16, 2007 1:21 pm) This past weekend we (Myself, wifey, mom, & 13 month old son) loaded up our '07 X3 3.0si and headed from our apartment in Westchester County, NY (suburb of NYC) to Framingham, MA (suburb of Boston) to visit some friends who had recently given birth to healthy twin boys, one of whom is my godson (they made me an offer I couldn't refuse). We had to be in Framingham (usually a 2 hour 45 minute drive) by 11:30 AM, so I planned to leave early (7:30 AM) to compensate for rush hour traffic and bathroom breaks for my son. Well, things don't always go as planned. Both mine and my wife's alarm didn't go off and our son woke up at 7:00 AM (when my Mom walked through the door). So we showered, got dressed, loaded up the car, and were on the road by 8:00 AM. Luckily I had the X3's 260 horsepower N52 engine under the hood. I dropped the hammer merging onto the highway and never looked back. At one point I was doing close to 100 mph with my Mom sitting next to me! Most of the trip was spent driving around 80 to 85 mph. I made the trip in 2 and a half hours. We got to the temple BEFORE anyone else. I checked the trip computer and it said I averaged just over 73 mph & got almost 21 mpg doing it.   The trip back from Boston on Sunday was a little bit more subdued. I figured there'd be lots of cops out on Sunday so I took it easy. I set the cruise control to 65 mph. When I got home, the trip computer said I averaged just about 60 mph and a smidge over 26 mpg! Replies to this message: roadburner (Nov 13, 2007 11:24 am) nyccarguy (Nov 18, 2007 7:52 pm) roadburner (Nov 19, 2007 7:42 am)
#20 of 34 Re: Road Trip & Gas Mileage [nyccarguy] by roadburner Nov 13, 2007 (11:24 am)
Replying to: nyccarguy (Nov 12, 2007 8:05 pm) I wish that my wife's car had the N52; I had a 2006 3.0 loaner while the dealer was re-flashing the autobox software and it didn't feel any faster than my 2.5. I mentioned that to my service advisor(who owns a Z4 and an E36 M3) and he said that the only way he could tell a 2.5 from a 3.0 was to look at the emblem on the fender... Replies to this message: nyccarguy (Nov 18, 2007 7:52 pm) roadburner (Nov 19, 2007 7:42 am)
#21 of 34 Re: Road Trip & Gas Mileage [roadburner] by nyccarguy Nov 18, 2007 (7:52 pm)
Replying to: roadburner (Nov 13, 2007 11:24 am) if you want to take a ride up to NY in before we turn the lease in, I'll swap motors & Trannies with you. They woulnd't know the difference would they? Replies to this message: roadburner (Nov 19, 2007 7:42 am)
#22 of 34 Re: Road Trip & Gas Mileage [nyccarguy] by roadburner Nov 19, 2007 (7:42 am)
Replying to: nyccarguy (Nov 18, 2007 7:52 pm) I'll swap motors & Trannies with you. They woulnd't know the difference would they?   Thanks, I'll keep that in mind!
#23 of 34 2004 X3 M54B30 Avg by bmwadam Dec 03, 2007 (12:41 pm)
Hello everyone. I just picked up a 2004 X3 3.0 with a 6psd for my wife about a month ago. It is a CPO car with right at 30k miles. We paid 28k before taxes, plus we took advantage of BMW's great rates right now, 2.9% for 4 years plus they make the first 2 payments!. As much as I would love the N52(even though it dosnt have a dipstick to check the oil) I couldnt justify spending an additional 15-17k and I dont like to lease a car.   The car is outstanding, no problems, except for a CD player issue but the dealer fixed it very quickly. We live in TN and took a trip to Nashville the other day. It is about a 2 hour drive from our city, and over a mtn. we live in Chattanooga. The car avg. about 25mpg b/w 75-80mph. Around town we are getting b/w 19-21. This really depends on hills, how heavy the traffic is, etc.   We had looked at a 2.5 X3 with an auto but it was just too sluggish. The manual gearbox 3.0 is much preferable. Im not sure about an auto 3.0. My wife and I prefer manuals anyway. I have a 98 328 with a 5spd and it runs outstanding for the age and mileage (better than many new cars of other makes). Plus the car is easy to work on and very reliable. I am avg close to 30mpg on the highway in that car with the M52, the predecessor to the M54 that is in the early X 3's. BMW makes some of the best engines in the buisness. I have owned these cars my entire driving life and can attest to that!
#24 of 34 Type of Gas by ledonbio Mar 30, 2008 (10:53 am)
I've had my BMW X3 3.0 (44K miles) for a couple of weeks now, and I'm wondering if I could take 87 instead of 93. Would that ruin my engine? Thank you Replies to this message: achonko (Apr 15, 2008 9:01 am) roadburner (Apr 16, 2008 8:33 am)

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