POLL: Did Your Car Experience an MPG Decrease Since Performing Emissions/EGR Recall - Page 2 - Bimmerfest - BMW Forums

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View Poll Results: Did Your Car's MPG's Decrease Since Performing the Emissions/EGR Recall?
Yes 25 55.56%
No 20 44.44%
Voters: 45. You may not vote on this poll

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Old 08-26-2012, 07:57 AM
cssnms cssnms is offline
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Location: Murland
Join Date: Jan 2011
Posts: 715
Mein Auto: '11 335d
It appears to be trending at 50/50 ratio. It is curious why some are experiencing a dramatic decline and others are not.
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Old 08-27-2012, 10:45 AM
gsglag gsglag is offline
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Location: charlotte
Join Date: Oct 2011
Posts: 4
Mein Auto: Audi S4
I took my D in for service (failed adaptive light control board) and it came back re-flashed and 4 mpg lower (36 down down to 32 or less on hwy).
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Old 08-29-2012, 11:59 AM
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floydarogers floydarogers is offline
Pedant and Curmudgeon
Location: Renton, WA
Join Date: Oct 2010
Posts: 5,700
Mein Auto: 335d, 328d, Toyota T100
My wife just drove down to Eugene, OR and back (to Seattle) about 300 miles each way, pretty flat, and got 35.6 mpg. That's what we have gotten on I5 down to Portland and back, so there has been no loss of mileage on ours. For a portion of that drive, the car used only 7 gallons for around 275 miles, which is almost 40 mpg.

I'm not a real urban driver, so I might believe city mileage has gone down. I think there's too much noise in everyone's driving habits and types of trips before/after recall to make firm conclusions. Too bad we don't know what BMW has really done. Those guys are so secretive.
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Old 08-29-2012, 12:10 PM
Snipe656 Snipe656 is offline
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Location: Humble, Tx
Join Date: Oct 2009
Posts: 4,037
Mein Auto: 2009 335d
My drive is rather consistent and been so for upwards of 8 years. On my logs for any of my vehicles it is really easy to tell when something out of the normal happened or if the vehicle was messing up. I just don't drive it enough to really have enough data post recall to say one way or the other with much confidence.
--Admiral Aaron Rouse
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Old 09-06-2012, 02:11 PM
F32Fleet F32Fleet is offline
Account closed at users request
Location: SE United States
Join Date: Jul 2010
Posts: 1,988
Mein Auto: 435i, 335d sold.
No drop. Just finished running first tank of fuel post recall.

Last edited by F32Fleet; 09-06-2012 at 02:14 PM.
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Old 10-10-2012, 10:14 AM
Stevie 335D Stevie 335D is offline
Registered User
Location: Chatsworth, CA
Join Date: Aug 2012
Posts: 2
Mein Auto: 2011 335D
Had the car serviced for the 4th time and its been 6 weeks since my last post and 3 tankfuls later (the car sat while i was on vacation for 10 days) and my mpg's are still under. Now I am at23-24 combined city/hwy. my comute 75% hwy. By comparrison to other vehicles, its still acceptable. Comparing to the orriginal MPGs i was getting, it stinks. Comparing to some of you on this tread, mine's a pig.
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Old 10-10-2012, 12:04 PM
ChasR ChasR is offline
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Location: Atlanta
Join Date: Aug 2012
Posts: 174
Mein Auto: 335d, E28 M5, Clubman S
I voted yes, but time and several subsequent tanks of fuel have proven me wrong. I experienced a dip in mileage, but it appears to be related to the fuel used (Shell). Swithced to Chevron and it came back up. Averaging 32.72 mpg on the last 17 tanks of fuel.
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Old 10-26-2012, 03:14 PM
DC-IT DC-IT is offline
Love my Diesel Vehicles
Location: Toronto, Canada
Join Date: Sep 2009
Posts: 503
Mein Auto: E350BlueTec, Jetta TDI
Updated observation on my D which is now out of warranty and will be due for the first out-of-warranty service in 2,000 miles (3,000+ KM).

Whilst my FE is not affected by the emission recall, my DEF consumption has increased as today I got the low DEF warning even though the oil change is not due for another 2,000 miles.

I went to a Canadian Tire store and picked up a 5 US Gal bottle of DEF for CAD$19.99 and will be feeding my D tomorrow morning.

I will call my Dealer for an oil change appointment. I shall ask how much it'll cost without filling the DEF since I can do that myself.

Current Rides:
2013 E350 BlueTec
2011 VW Jetta TDI
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Old 10-26-2012, 03:34 PM
cssnms cssnms is offline
Officially Welcomed to the 'Fest
Location: Murland
Join Date: Jan 2011
Posts: 715
Mein Auto: '11 335d
Update: it appears my car's mileage has returned to near previous levels - perhaps 1mpg lower. Needless to say this is a bit of a relief.
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Old 10-27-2012, 10:52 AM
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mt3ch mt3ch is offline
Selling my soul to BMW!
Location: Frisco, TX
Join Date: May 2003
Posts: 125
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Mein Auto: 13 740i MSport
Its been a good 2-3mpg lower since the 2nd recall in my case. I also have an '12 X5d and it gets its advertised mpg and probably had the updated changes including no dipstick since I have in the 335d.
2013 BMW 740i MSport

Last edited by mt3ch; 10-27-2012 at 10:53 AM.
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Old 10-29-2012, 05:50 AM
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Axel61 Axel61 is offline
Officially Welcomed to the 'Fest
Location: Puerto Rico
Join Date: Mar 2011
Posts: 916
Mein Auto: 335d
I dont know mines acting funny first I saw no decrease now Ive since 1 mpg loss, WTF!! I really cant get true estimates I do over 90% of city driving and DAMN IT I race the damn car, love the TORQUE!!
RENNtech Flash, WAGNER IC,Koni FSDs,Execuhitch,VMR710 19"
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