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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > E9X Fuel economy



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      01-31-2016, 04:54 PM   #485
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Quote:
Originally Posted by tasn1
Today I drove 15+ miles to east London to meet a friend. On my way back I reset. I chose a road that was declining therefore use neutral let the car flow...short shift. Slow throttle application. 45mpg! 10 mins from my house...traffic lights...X5M...I just couldn't resist! Instantly went to 33mpg!👊🏿
But did you beat him?!
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      01-31-2016, 05:01 PM   #486
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Oh yes!!! The Hankooks hooked up nicely...
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      03-04-2016, 05:13 AM   #487
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my 2008 320D went down to 27mpg recently, just town only driving, cleaned out the MAF and MAP sensors and its now up to 35mpg, going to clean the intake manifold and egr in the next few weeks so it should go up a bit more, also going to remove the swirl flaps whilst I'm in there for peace of mind.
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      03-31-2016, 08:14 AM   #488
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so intake manifold and EGR valve cleaned, swirl flaps removed and its now showing 47mpg 50/50 mix of town/motorway
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      07-06-2016, 08:01 AM   #489
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E93 B3S BT - A quite astonishing 30.1 after a week of mixed driving!
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      07-08-2016, 08:44 AM   #490
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So, my 2009 320D now has 104000 miles on the clock. I've been using fuelly for the last 67000 miles and the average for those is 53.6 mpg. Not bad at all as the car has seen 90% urban use for the last 18 months/7k miles.

It's served me well (owned from new/pre-registered) and the MPG has always impressed. We'll be parting ways soon as I am about to lease a 4-series GC.
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      10-18-2016, 02:51 PM   #491
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I seem to get about 33mpg on a tank of mostly motorway driving taking it fairly easy. Commuting to work 10 mile each way probably gets about 27/28 mpg. N52 330i.
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      10-19-2016, 10:44 AM   #492
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My last few tanks in the 335i have been:

27.4MPG
26.1MPG
29.8MPG

With my overall average for two years sitting at 26mpg

I had it sitting at 34.8mpg and 39.2mpg for quite a while (good half tank) on two occasions but then town driving dropped those.
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      10-28-2016, 09:53 AM   #493
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ive only had my 330i auto for a few weeks and im getting around 30-31mpg over a tank, this is mostly dual carriageway and country lanes. I think it would do 40mpg on a motorway run. This is with momentum fuel and its the 272bhp engine.stonishing really, I dont hang around either.. However if isit in traffic or around town id imagine it would struggle to do 20mpg.
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      10-30-2016, 01:15 PM   #494
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      12-27-2016, 02:55 PM   #495
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Mix of motorway/town so far.

First 800 miles and averaging a measly 28 mpg in my 335i DCT

Have been driving it quite hard though tbf.
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      01-06-2017, 05:41 AM   #496
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Filled up my car last night and quickly calculated how many litres of fuel i would need based upon my dash mpg read out and the number of miles id done on the tank.

it showed 30.1mpg and 288miles, approximately 44litres i though. I ended up putting in 49l so just over 26mpg, dont believe the on-board computer I think!. Still not bad considering that most of the tank was town driving.

2008 lci E330i (N53 direct injection)
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      01-06-2017, 05:43 AM   #497
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Quote:
Originally Posted by Bellis92 View Post
Mix of motorway/town so far.

First 800 miles and averaging a measly 28 mpg in my 335i DCT

Have been driving it quite hard though tbf.
If you have been driving hard that is fantastic MPG!
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      01-11-2017, 03:38 AM   #498
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2010 e90 320d 184hp - i get 52mpg with a mix of town and A road. normally around 630 miles per tank / 64
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      01-19-2017, 05:50 AM   #499
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Currently 16-17mpg on my 06 E92 335i Auto.

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      02-10-2017, 04:44 PM   #500
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2009 pre-lci 325d standard car

630 miles to a full tank

80% A roads work trip 100 miles round.

Works out about 48mpg

Very happy with that.

Also find the linear power delivery of the 6cyl engine intriguing.

Am used to small engine turbo diesels with a very different power delivery.
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      04-02-2017, 11:38 AM   #501
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56 plate E90 330D M Sport- 21.7 to 22MPG (short trips, school runs and peak time running) and on a motorway run to Thorpe Park (2 hours each way) I got 33MPG.

For every 20 of V-Power I get around 100 miles.
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      04-03-2017, 04:28 AM   #502
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Quote:
Originally Posted by MrSweet1991 View Post
56 plate E90 330D M Sport- 21.7 to 22MPG (short trips, school runs and peak time running) and on a motorway run to Thorpe Park (2 hours each way) I got 33MPG.

For every 20 of V-Power I get around 100 miles.
That's pretty shocking for diesel - it might have issues? Our N53 330i does 32mpg on shortish trips and 40mpg on a run when driven sensibly.
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      04-03-2017, 02:16 PM   #503
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Quote:
Originally Posted by jamherber View Post
That's pretty shocking for diesel - it might have issues? Our N53 330i does 32mpg on shortish trips and 40mpg on a run when driven sensibly.
Now see i thought that myself, posted those figures on another forum and someone said thats probably about right because of the style of driving.. odd thing is though it gets upto temperature fine and has recently had the crack in the engine sump repaired.. not sure whether that crack contributed to poor mpg?.. ill have to monitor it over the next few days. If it continues ill have to try maybe the MAF and MAP cleaning? Other than that i really dont know. Think ill start researching for a good diagnostic tool and good software to go with it.


<Update>
Well im not sure whether it was the oil sump repair, fresh engine oil, BP super fu or because i was driving at 60MPH but damn check this figure



I even floored it a few times (granted it knocked 3MPG off) but was still shocked to see it creep back upto 53ish


Last edited by MrSweet1991; 04-06-2017 at 03:50 AM.. Reason: Update
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      04-06-2017, 03:55 AM   #504
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e90 318lci
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only 1st and 4th gears ^^
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      04-11-2017, 08:06 AM   #505
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Quote:
Originally Posted by jamherber View Post
That's pretty shocking for diesel - it might have issues? Our N53 330i does 32mpg on shortish trips and 40mpg on a run when driven sensibly.
Agreed. 33MPG on the motorway for a 330d is awful.
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      04-19-2017, 02:33 PM   #506
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