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      01-19-2015, 01:27 AM   #1
Ranger_Vet68
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2003 Z4 Fuel Efficiency

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Question. I just checked the mpg, and it tells me 20-29. Now I'm guessing that with out the "Sport" mode, that maybe a good guess. When I drive, I just use the "Sport Mode" but I don't engage the "Tiptronic". But it's eating up gas in a big hurry. Now I don't drive that much, and I fueled up the car Three days ago, and it's already 3/4 full. A quarter tank within three days......So tell me, since I just bought this car. What is the best way to drive it??

Thank You.
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      01-19-2015, 02:36 AM   #2
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You didn't buy a Z4 for gas mileage did you? Stop worrying about that, find some nice roads by the coast and enjoy!
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      01-19-2015, 06:20 AM   #3
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I already have done most of the of the 101 that get's you down to the coast. Great winding roads, and the car handles it GREAT. It just when I travel those roads I would MUCH rather have a manual, Your in more control with that. (At least in my opinion)
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      01-26-2015, 03:43 PM   #4
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Myself and one other user have clocked US 39 MPG in X5 diesels. There is over 400 lbs/ft of torque in the engine, and despite size/weight 0-60 in 6.5sec. Of course, you won't get that mileage if you want to set 0-60 records.

This is the thread with posted MPGs. http://f15.bimmerpost.com/forums/sho....php?t=1081659

You may want to consider a similar thread in the Z4 area, where users can post their best/worst/usual MPG.
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Last edited by MattBianco; 01-26-2015 at 04:03 PM.
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      02-13-2015, 09:46 PM   #5
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M235 XI is a gas pig. I can get barely 9.0 l/100kms on highway with cruise control, 8 speed automatic and with Eco-pro on.

My 2011 335Xi 6 speed automatic would get down to 7.4l/100kms
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      02-14-2015, 06:15 AM   #6
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Quote:
Originally Posted by BlueM235
M235 XI is a gas pig. I can get barely 9.0 l/100kms on highway with cruise control, 8 speed automatic and with Eco-pro on.

My 2011 335Xi 6 speed automatic would get down to 7.4l/100kms
Same. My M235i is a guzzler. averaging 15l/100km in Eco pro driving slowly.
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      02-28-2015, 03:33 PM   #7
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X5 F15 MPG

As a comparative, these are based on results posted in the F15 thread.
Links:

• View collected MPG / L/100k data Complete Data Table
Interactive chart by engine type
Interactive chart by forum member
Interactive chart by Usage

• A good online MPG converter

Tabulated with all submitted data as of 08 MAR 2015:




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Amber or Red Rear Turn Signals? Vote/have your say: LINK. Post your MPGs 100L/km here: LINK X5 F15 Engines Compared LINK
Take the BMW X5 F15 Survey: LINK See the Results: LINK N57 Diesel Tuning Chips Compared LINK

Last edited by MattBianco; 03-08-2015 at 03:11 PM.
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      01-07-2016, 03:19 PM   #8
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2015 335xi MPG

2015 335xi xDrive 4 dr coupe in eco pro, 100 % hiway with cruise control set at 78 to 83 mph (in Utah with 80 mph speed limit)., iDrive computer says 31.3 mpg Car not fully broke in yet (under 1200 miles).

Ill take it !!!
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      01-08-2016, 03:45 PM   #9
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I had a 2003 BMW z4 as well with sports package. I noticed at first the MPG was just ok. About a year later I took it to get new tires and the mechanic told me the ones on the back were actually the wrong size..... I then told him to put the right size ones on (Michelin primacy MXV4) and my gas milage shot up to about 29 hwy and 24 city.

SO check tires/inflation psi, etc. and then look at changing air filter if it is dirty.
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      01-08-2016, 04:31 PM   #10
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That is not very scientific OP. "Gauge shows 20-29" Well, which is it? Have you actually measured the actual mileage? Also, 3 days and now showing 3/4 tank is pretty meaningless. I can go through 4 tanks in one day. Do you reset the gauge every fill up?
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