Getting 20MPG

doggiedog · 08-03-2009, 10:26 PM

I'm averaging 20MPG and I don't drive aggressively or rev the engine up very high.

I typically shift around 2K RPM. Am I doing something wrong here? What RPMs are you guys typically shifting around normally? I know my mileage won't be ideal since I live in a hilly area but I think I am really on the low side.

Quasimodem · 08-03-2009, 10:35 PM

Quote:

Originally Posted by doggiedog

I don't drive aggressively

I think I found your problem.

Dr.G · 08-03-2009, 10:40 PM

jopa489 · 08-03-2009, 11:08 PM

You bought a BMW, they're not built for mileage.

vadim · 08-03-2009, 11:19 PM

Shifting at 2000RPM is too low. You are strangling the engine. Bimmer's engines are meant to be pushed hard. If you never rev it high enough, the engine will be clogged with deposits before long.

roozie2001 · 08-03-2009, 11:21 PM

u should shift closer to about 3400 rpm. then again dont take my advice i drive an automatic and average 18 to 19 miles a . lol

TommyK · 08-03-2009, 11:22 PM

you must have your AC on or you need to reset your MPG because it will be inacurate if you dont after thousands

sokdo · 08-03-2009, 11:43 PM

Got about 1700 miles on my car so far and i'm averaging 21.3 on my auto. I hear the mileage goes way up after a year or so or something? Btw I've just started to drive spiritedly so my mileage may go up or down

clark192 · 08-03-2009, 11:44 PM

Hmm, you dont have the fuel economy meter, but I would suggest shifting up at like 2500 and going a bit lighter on the throttle.

I would guess that you might be trying to push the car to get thru the first few gears, and not spending enough time cruising, which is where your fuel ecomony comes from. But, I guess if you live in a hilly area, you might not see a better economy unless you change how you drive, ie coasting up hills and accelerating lightly down then to keep momentum up. Trying to maintain constant speed up hills will bring your fuel economy down (just reiterating that, sounds like you know this.)

citrixscu · 08-03-2009, 11:46 PM

Please start driving aggressively.

vadim · 08-03-2009, 11:47 PM

Lower than expected gas mileage should not surprise anyone in the U.S. where gasoline contains 10% ethanol. Ethanol is known to negatively affect the gas mileage; according to some studies - up to 30% drop. So there.

Manos · 08-03-2009, 11:57 PM

If you want good mileage you should get a 320 or 318d. They are very fuel efficient. A 335i is meant for driving fast and hard and having fun with imo, not saving fuel.

vadim · 08-04-2009, 12:09 AM

Quote:

Originally Posted by Manos

If you want good mileage you should get a 320 or 318d. They are very fuel efficient. A 335i is meant for driving fast and hard and having fun with imo, not saving fuel.

Not a chance. The lowest you can go with in the U.S. is 328. The only diesel you can get is the 335d.

ibimmer954 · 08-04-2009, 12:24 AM

20 mpg sounds good to me. I get 18-19 on my 6AT. Your mileage isn't going to get much better. You might as well use the fun peddle more.

ilidon · 08-04-2009, 12:27 AM

wow! 20 mpg? i envy you bro! i only get 16.5 mpg average.

JayKay335i · 08-04-2009, 12:35 AM

I'm around 19 with a AT and I rip the shit out of it. Its the city driving. If you just do highway you can get it up around 30mpg on cruise control.

UnknownSpiritX5 · 08-04-2009, 01:14 AM

20 sounds pretty fine to me. I get between 15 to 17. In fact, it decreases all the time as I'm sitting there in NYC traffic. But as I hit the highway, it goes back up to 17ish...until traffic awaits me, again.

chowser51 · 08-04-2009, 01:43 AM

20?!??! I wish, when I started driving I was averaging 20-22mpgs, but the last few weeks, I have only been getting 16-17.

Craig@SupremePower · 08-04-2009, 02:38 AM

20 mpg's is nice but run her hard for a bit 15 mpg ain't gonna kill ya!!

E90Alex · 08-04-2009, 06:00 AM

I get 13 mpg =(

CHARLEYBROWN · 08-04-2009, 06:14 AM

Quote:

Originally Posted by E90Alex

I get 13 mpg =(

WTF? I know I dont have a 335i but damn you guys are getting horrible milage! I DO drive like a bitch and all but unless my average gauge is way off, between 50%HWY and 50%city my average has been 30.4 this tank... and I reset it every time I get gas. And I think it makes a huge difference that I dont really speed or gas it too often...

Its usually about 25.5 with more city then hwy... 06 330i 6M and if you leave your car idling for long periods of time (warming it up in the morning) it drops the average as well in my car.

SpmnE9zero · 08-04-2009, 06:22 AM

Maybe it's because I have a slow 330, but even with the xi I am getting 25-27 avg mpg. I do live in a very flat area, but damn is the mileage that much better in a 330 over the 335?
Can anyone confirm this?

08-03-2009, 10:26 PM	#1
doggiedog Captain 36 Rep 757 Posts Drives: 09 E90 335i 6MT SG/BL Join Date: Nov 2008 Location: Fort Lee, NJ iTrader: (0)	Getting 20MPG I'm averaging 20MPG and I don't drive aggressively or rev the engine up very high. I typically shift around 2K RPM. Am I doing something wrong here? What RPMs are you guys typically shifting around normally? I know my mileage won't be ideal since I live in a hilly area but I think I am really on the low side.
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08-03-2009, 10:40 PM	#3
Dr.G Private First Class 15 Rep 188 Posts Drives: Not enough room!!! Join Date: Aug 2009 Location: Las Vegas iTrader: (0)
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08-03-2009, 11:08 PM	#4
jopa489 Major General 122 Rep 6,594 Posts Drives: Anything with Wheels Join Date: Mar 2009 Location: USA iTrader: (9)	You bought a BMW, they're not built for mileage. __________________ X7 LCI // Incoming C7 ZR1 ZTK // Sebring + TRX // Hydro + Raptor Gen1 Roush // Tuxedo
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08-03-2009, 11:19 PM	#5
vadim Lieutenant 15 Rep 445 Posts Drives: Tesla Model Y Join Date: Nov 2007 Location: Virginia iTrader: (0)	Shifting at 2000RPM is too low. You are strangling the engine. Bimmer's engines are meant to be pushed hard. If you never rev it high enough, the engine will be clogged with deposits before long.
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08-03-2009, 11:21 PM	#6
roozie2001 Just some guy 49 Rep 1,531 Posts Drives: 2008 White 335i sedan Join Date: Apr 2008 Location: Houston, TX iTrader: (4)	u should shift closer to about 3400 rpm. then again dont take my advice i drive an automatic and average 18 to 19 miles a . lol __________________ 2008 BMW 335i/Sedan/Alpine White/Terra/Steptronic/Premium Package/Sports package/Comfort Access/USB/Sirius
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08-03-2009, 11:22 PM	#7
TommyK Brigadier General 119 Rep 3,325 Posts Drives: E90 335i LCI Join Date: Aug 2008 Location: Orange County, CA iTrader: (9) Garage List 2009 BMW 335i LCI [0.00] 2006 E90 330i [0.00]	you must have your AC on or you need to reset your MPG because it will be inacurate if you dont after thousands
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08-03-2009, 11:43 PM	#8
sokdo Lieutenant 50 Rep 582 Posts Drives: 335i E92 Join Date: Jul 2009 Location: Fullerton, CA iTrader: (0)	Got about 1700 miles on my car so far and i'm averaging 21.3 on my auto. I hear the mileage goes way up after a year or so or something? Btw I've just started to drive spiritedly so my mileage may go up or down
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08-03-2009, 11:44 PM	#9
clark192 Second Lieutenant 17 Rep 230 Posts Drives: 2006 325i (EU) Join Date: Aug 2007 Location: Bahrain iTrader: (0)	Hmm, you dont have the fuel economy meter, but I would suggest shifting up at like 2500 and going a bit lighter on the throttle. I would guess that you might be trying to push the car to get thru the first few gears, and not spending enough time cruising, which is where your fuel ecomony comes from. But, I guess if you live in a hilly area, you might not see a better economy unless you change how you drive, ie coasting up hills and accelerating lightly down then to keep momentum up. Trying to maintain constant speed up hills will bring your fuel economy down (just reiterating that, sounds like you know this.)
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08-03-2009, 11:46 PM	#10
citrixscu First Lieutenant 3 Rep 363 Posts Drives: '14 335i EB II Join Date: Nov 2008 Location: Los Gatos, CA iTrader: (0)	Please start driving aggressively.
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08-03-2009, 11:47 PM	#11
vadim Lieutenant 15 Rep 445 Posts Drives: Tesla Model Y Join Date: Nov 2007 Location: Virginia iTrader: (0)	Lower than expected gas mileage should not surprise anyone in the U.S. where gasoline contains 10% ethanol. Ethanol is known to negatively affect the gas mileage; according to some studies - up to 30% drop. So there.
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08-03-2009, 11:57 PM	#12
Manos Private 11 Rep 95 Posts Drives: E91 330xi Join Date: Jun 2009 Location: Sweden iTrader: (0) Garage List 2006 330xi (E91) [0.00]	If you want good mileage you should get a 320 or 318d. They are very fuel efficient. A 335i is meant for driving fast and hard and having fun with imo, not saving fuel. __________________
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08-04-2009, 12:24 AM	#14
ibimmer954 Major 138 Rep 1,424 Posts Drives: '23 i4 M50, '15 M3, '18 911 Join Date: Jul 2007 Location: San Diego, California, USA iTrader: (0) Garage List 2015 BMW M3 [9.75] 2023 BMW i4 M50 [0.00] 2018 Porsche 911 C4S [0.00] 2019 BMW X4 M40i [0.00]	20 mpg sounds good to me. I get 18-19 on my 6AT. Your mileage isn't going to get much better. You might as well use the fun peddle more.
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08-04-2009, 12:27 AM	#15
ilidon Major 59 Rep 1,036 Posts Drives: F13 M6 Join Date: Dec 2008 Location: L.I., NY iTrader: (10) Garage List 2009 335i [7.00]	wow! 20 mpg? i envy you bro! i only get 16.5 mpg average. __________________ F13 ///M6 SMB/SO E92 ///M3 AW/FR- Sold E92 335i MB/BLK- Sold [IMG]http://www.bimmerpost.com/forums/attachment.php?attachmentid=133578
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08-04-2009, 12:35 AM	#16
JayKay335i Banned 189 Rep 5,046 Posts Drives: ///M323 DCT Join Date: Apr 2009 Location: North Dakota; its best DUHHHHHH iTrader: (1)	I'm around 19 with a AT and I rip the shit out of it. Its the city driving. If you just do highway you can get it up around 30mpg on cruise control.
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08-04-2009, 01:14 AM	#17
UnknownSpiritX5 Drive till Infinity 33 Rep 118 Posts Drives: 07 328i (E90), 2020 X5 40i (G0 Join Date: Jun 2009 Location: New York City iTrader: (0)	20 sounds pretty fine to me. I get between 15 to 17. In fact, it decreases all the time as I'm sitting there in NYC traffic. But as I hit the highway, it goes back up to 17ish...until traffic awaits me, again. __________________ Drive till Infinity \| '07 Jet Back 328i \| Sport-LESS ._. \|
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08-04-2009, 01:43 AM	#18
chowser51 Colonel 2025 Rep 2,805 Posts Drives: F33 430 and F39 M35i Join Date: Feb 2009 Location: Cleveland, OH iTrader: (3) Garage List 2018 BMW 430i xDrive [0.00]	20?!??! I wish, when I started driving I was averaging 20-22mpgs, but the last few weeks, I have only been getting 16-17.
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08-04-2009, 02:38 AM	#19
Craig@SupremePower G.O.A.T.! 1000 Rep 74,998 Posts Drives: '18 GMC Yukon XL Join Date: Mar 2008 Location: New Jersey iTrader: (14)	20 mpg's is nice but run her hard for a bit 15 mpg ain't gonna kill ya!!
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08-04-2009, 06:00 AM	#20
E90Alex Colonel 166 Rep 2,629 Posts Drives: F83 M4 Competition Join Date: Dec 2008 Location: Playa Vista, CA iTrader: (14)	I get 13 mpg =(
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08-04-2009, 06:22 AM	#22
SpmnE9zero DENY THE WORLD THAT SURROUNDS YOU 505 Rep 35,580 Posts Drives: JB 33ZERO Join Date: Nov 2008 Location: City of Champions iTrader: (14) Garage List 2006 330xi [0.00]	Maybe it's because I have a slow 330, but even with the xi I am getting 25-27 avg mpg. I do live in a very flat area, but damn is the mileage that much better in a 330 over the 335? Can anyone confirm this? __________________ Eurocharged V5 \| ROW's / CC Delete \| K&N's \| H&R Springs \| Single Fin G.B. Grill \| Mode Carbon Diffuser \| JBSpeed CF Spoiler \| Arkym Style CF Splitter \| CF Mirror Caps \| 5% Tints \| 12mm Spacers \|
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