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BMW 3-Series (E90 E92) Forum
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increased MPGs
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| 03-03-2011, 05:29 PM | #1 |
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Lieutenant
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Drives: Alpine White 335i coupe
Join Date: Mar 2009
Location: Orange County / Los Angeles
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increased MPGs
While i was stock with just an intake the dash reported average of 21.2 MPGs usually get around 150-160 miles from full time to to half tank mark. I then installed the proceded v5 with the latest map and bam! it was like i had the finger of god behind me. Mileage remain largely unaffected despite my much harder driving. (more power on the same amount of gas) how is that possible :-D. Well anyways i had to pull out the procede due to a service visit and have been running around for a few days now with out the procede. My computer is now reading 26-27 MPGs. I have also started to track my miles from this full tank and it is higher than normal. Anyone know or have seen why this is the case? Car does feel like its slow as snot but i come to expect that. Dealer did not indicate any updates in program nor did they find anything wrong before.
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| 03-05-2011, 09:14 AM | #2 |
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Captain
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hmm interesting... what year is your car?
Im averaging 18 mpg in a 2007 335 coupe auto around town (no highway). No tune, so thats amazing MPG! Or my car and every one else is running like crap  Travis Last edited by werke-t; 03-05-2011 at 09:29 AM.. |
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| 03-05-2011, 10:56 AM | #3 |
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Second Lieutenant
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,,
over what time frame was this all in? I notice substanial changes in MPGs when the change from the "winter blend" to normal gas about this time of the year.
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| 03-05-2011, 06:42 PM | #4 |
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Major General
 
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Drives: Black e92 335i
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Location: Brampton, Ontario
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I got 13.5 MPG on my last tank in the city
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| 03-05-2011, 07:11 PM | #5 |
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Drives: C6 Z06, 09 335i, 10 335xi
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If driving conditions habits and conditions remain the same, gas mileage will stay consistent. If anything might improve with a tune because i believe in some respects the procede adds more ignition during some cruising.
Ive been getting 21-22 throughout the life of the car with my driving habits. |
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| 03-05-2011, 09:50 PM | #6 |
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IT geek
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I can back this up. I recently exchanged a Rev 1 for Rev 2 v5 unit with a few weeks while getting recall work done.
After installing the latest module with the 1/21 beta map already on it, 3 hours of heavy traffic driving a day, I noticed an MPG increase. Typically 20.9 is now definitely up 1-2 mpg, even when beating on it  |
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| 03-05-2011, 10:32 PM | #7 |
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Drives: Alpine White 335i coupe
Join Date: Mar 2009
Location: Orange County / Los Angeles
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i did this for a full tank of gas. Even with the outrageous fuel prices i still saw the need for the procede and decided to sell my car's virginity for power of the procede! My MPGs for that tank stock after service was 25mpgs (all time high even pre tune) usually 20.7 on stock. With procede i get 21.2ish
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