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7 Series - F01 / F02 (2009 - current)
The new re-designed 7 series F01 / F02 leads off the BMW Fxx chassis code!

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  #1  
Old 12-03-2012, 06:15 PM
pgearmd pgearmd is offline
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premium gas?

How important is it to use premium in my 2011 750i?
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  #2  
Old 12-03-2012, 06:20 PM
d geek d geek is offline
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  #3  
Old 12-03-2012, 06:22 PM
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If you want the car to develop the advertised HP, yes. If you don't care, then no problem, fill it up with whatever you like.
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  #4  
Old 12-03-2012, 06:48 PM
pgearmd pgearmd is offline
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Thanks
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  #5  
Old 12-03-2012, 08:34 PM
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Its been sorta covered on the F30/F10 forums after Sandy. You can use 87 but it'll retard the timing, and can give you worse gas mileage. So you're at a draw, if you're trying to save money (on a 100k car ) just go with mid grade.
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  #6  
Old 12-03-2012, 09:26 PM
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Quote:
Originally Posted by ChrisF02 View Post
Its been sorta covered on the F30/F10 forums after Sandy. You can use 87 but it'll retard the timing, and can give you worse gas mileage. So you're at a draw, if you're trying to save money (on a 100k car ) just go with mid grade.
I am always amazed that people who gladly pay $100K for a car, or lease it for $1.2K would want to save a few bucks on fuel, that is the lifeblood of this machine that makes it go.

If you want to save money, buy Costco premium. It is the same price as regular anywhere else, and contains 5 times more cleaning additives than EPA recommendation.
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  #7  
Old 12-06-2012, 07:04 AM
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Originally Posted by azbimmer View Post
I am always amazed that people who gladly pay $100K for a car, or lease it for $1.2K would want to save a few bucks on fuel, that is the lifeblood of this machine that makes it go.

If you want to save money, buy Costco premium. It is the same price as regular anywhere else, and contains 5 times more cleaning additives than EPA recommendation.

Some people just won't listen to some simple facts.
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  #8  
Old 12-03-2012, 09:56 PM
f01driver f01driver is offline
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I've never put cheap gas in my car, it's always Chevron and premium which doesn't contain ethanol.

And the car show "Fifth Gear" did a octane test and they found that higher octane does give you better mileage and performance but not all premium gas is the same which was interesting.
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Old 12-04-2012, 07:36 AM
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Originally Posted by f01driver View Post
I've never put cheap gas in my car, it's always Chevron and premium which doesn't contain ethanol.

And the car show "Fifth Gear" did a octane test and they found that higher octane does give you better mileage and performance but not all premium gas is the same which was interesting.

My first "high end car" was a new 1999 C280 Sport, and Beverly Hills Mercedes told me to only use Chevron Supreme. In 2004, when I made the switch from Mercedes to BMW, Century West BMW told me to only use Chevron Supreme. I had used it almost exclusively since my 1995 SAAB, but would switch now and then. Since 1999....I stick with Chevron. I believe if you do Google searches, Chevron usually rates the highest. I just like it, and most Chevron stations in L.A., have the most maintained pumps and gas stations.

And if you add the savings up from switching to 89 or 87...You probably save about $1 or $2 per tank of gas. Is that worth it to you?? You cannot even buy a cup of coffee for that!!
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  #10  
Old 12-06-2012, 06:21 AM
69PaceCAR 69PaceCAR is offline
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McD's coffee = $1 You have a good pt though. What would the difference be for a year? Maybe $120 avg.

Last edited by 69PaceCAR; 12-06-2012 at 06:27 AM.
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  #11  
Old 12-07-2012, 08:06 AM
jdefg2000 jdefg2000 is offline
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Quote:
Originally Posted by f01driver View Post
I've never put cheap gas in my car, it's always Chevron and premium which doesn't contain ethanol.

And the car show "Fifth Gear" did a octane test and they found that higher octane does give you better mileage and performance but not all premium gas is the same which was interesting.
Agreed.....I even tested multiple premium gas, and swear that i could tell a difference with Chevron premium over the other brands....this was with my porsche twin turbo....to this day Chevron is always my first choice too.....
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  #12  
Old 12-03-2012, 10:28 PM
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I reported a 2mpg increase when I went from cheap gas to quality premium. Also, throttle response was a bit better. This is on an ancient E36, so it can only make wonders for your new 7
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  #13  
Old 12-04-2012, 02:18 PM
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It's only Chervon or Shell 91 for me.
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  #14  
Old 12-04-2012, 03:59 PM
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Originally Posted by Individual750LI View Post
It's only Chervon or Shell 91 for me.
I too only use Chevron, Shell is my alternate if I cant find a Chevron. Its only a couple bucks more per tank for better gas. Wish we had 93 octane out here
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  #15  
Old 12-04-2012, 04:16 PM
visionthedj visionthedj is offline
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Originally Posted by ChrisF02 View Post
I too only use Chevron, Shell is my alternate if I cant find a Chevron. Its only a couple bucks more per tank for better gas. Wish we had 93 octane out here
Is Shell or Chevron "better" than a Valero, Phillips, or a generic gas station if the octane is the same rating? I imagine most of it is just marketing, but I'd love to know more about it.
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  #16  
Old 12-04-2012, 04:40 PM
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Originally Posted by visionthedj View Post
Is Shell or Chevron "better" than a Valero, Phillips, or a generic gas station if the octane is the same rating? I imagine most of it is just marketing, but I'd love to know more about it.
As far as I'm aware, all the gas is the same, comes from the same refinery and same pipelines. Its the additives each company adds to the gasoline.

I dont see much proof its better, other than the times Ive put cheap gas in my Jeep for a long period of time, then swapping to Chevron made the engine run smoother. These cars are expensive, why put cheap stuff in them?

Last edited by ChrisF01; 12-04-2012 at 04:54 PM.
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  #17  
Old 12-04-2012, 05:40 PM
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Quote:
Originally Posted by ChrisF02 View Post
As far as I'm aware, all the gas is the same, comes from the same refinery and same pipelines. Its the additives each company adds to the gasoline.

I dont see much proof its better, other than the times Ive put cheap gas in my Jeep for a long period of time, then swapping to Chevron made the engine run smoother. These cars are expensive, why put cheap stuff in them?
+1

I use Costco when Shell is not available. No difference in performance. Always use 91 octane, and add a bottle of Chevron injector cleaner (available at Costco) every 3K miles.

Purrs like a charm.
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  #18  
Old 12-05-2012, 06:42 AM
d geek d geek is offline
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Quote:
Originally Posted by visionthedj View Post
Is Shell or Chevron "better" than a Valero, Phillips, or a generic gas station if the octane is the same rating? I imagine most of it is just marketing, but I'd love to know more about it.
Look here.

Quote:
TOP TIER Gasoline Retailers:
USA
76 Stations
Aloha Petroleum
Chevron
Conoco
CountryMark
Entec Stations
Exxon
Hawaii Fueling Network (HFN)
Holiday Stationstores, Inc.
Kwik Trip / Kwik Star
MFA Oil Co.
Mileage Stations
Mobil
Ohana Fuels
Phillips 66
Quik Trip
Rebel Oil
Road Ranger
Severson Oil
Shell
Texaco
Tri-Par Oil Co.
U.S. Oil


Canada
Chevron Canada
Esso
Petro-Canada
Shell Canada
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  #19  
Old 12-04-2012, 09:58 PM
Deutsch100 Deutsch100 is offline
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Originally Posted by ChrisF02 View Post
I too only use Chevron, Shell is my alternate if I cant find a Chevron. Its only a couple bucks more per tank for better gas. Wish we had 93 octane out here
CA had 92 up until a few years ago. I still have no idea why we now only have 91 now in Calif. I think Germany (last time I was back home in 2006) there was 93 and 95 Octane and maybe even Super Plus 97 at a few stations
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Old 12-04-2012, 09:08 PM
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Since they opened a Costco near where I live, I try to fill up when I go there. Costco in Chicago is at 93 octane and cheaper than regular gas from the nearby BP or Shell.

With regards to which brand gas station you go to, the reality is that most people will not be able to tell where the gas in their gas station ultimately came from. For example, a BP station may not get gas delivered by BP and so on.
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  #21  
Old 12-05-2012, 01:49 PM
Back2Bimmers4Me Back2Bimmers4Me is offline
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For an engine with twin turbos, don't even think about using less than the OEM recommended octane. I know these engines have knock sensors and boost control, but if anything doesn't work correctly with crappy gas in the tank and you tromp on the gas a time or two, bad things can happen.

JMHO,
Greg
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Old 12-05-2012, 04:21 PM
Emilner Emilner is offline
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I guess it wouldn't be a new month without someone asking if they could save $7 a month to help pay for their $100k car. By all means, put whatever you like in the tank if that is all you can afford. Your performance will be worse, you will lose gas mileage and you will risk engine damage, but at least you will only have to find the other $993 to make that payment.....
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Old 12-05-2012, 05:21 PM
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i put super even in loaners
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  #24  
Old 12-06-2012, 07:05 AM
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i put super even in loaners
If the car calls for it, yes.
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  #25  
Old 12-06-2012, 08:52 AM
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Dunno about you, but, for some strange reason, I've been getting over 1,500 miles on every fillup of 87AKI at Costco!


Plus I get (slightly) better emissions results:







See also:
- What is the true cost differential between 87 & 91 octane AKI (1) & all you need to know about engine fuel & octane (1) & The Gasoline FAQ & top-tier gas stations (1) & what gasoline to use in a bimmer (1) & how much gas should be left to cool the fuel pump (1) & how to siphon the fuel out of the tank (1) & does spilled gasoline go into the charcoal canister (1) & the P0455 diagnostic trouble code when the gas cap is missing (1) & the truth about mpg calculation accuracy (1) (2)
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