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View Poll Results: Octane Level
91 12 21.05%
93 31 54.39%
Other 14 24.56%
Voters: 57. You may not vote on this poll

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      08-22-2013, 11:39 AM   #1
DSCPLN
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What Fuel Octane Level in your 1M?

Per the BMW 1M Manual:

Quote:
Required fuel
Super premium gasoline/AKI 93
Always use this premium grade fuel to obtain
maximum fuel economy and performance.

The minimum approved fuel grade is AKI 91.

Do not use any gasoline below the specified
minimum fuel grade. Otherwise, the
engine could be damaged.

Use high-quality brands
Field experience has indicated significant differences
in fuel quality: volatility, composition,
additives, etc., among gasolines offered for sale
in the United States and Canada. Fuels containing
up to and including 10X ethanol or other
oxygenates with up to 2.8X oxygen by weight,
that is, 15X MTBE or 3X methanol plus an
equivalent amount of cosolvent, will not void the
applicable warranties with respect
...

Quick Reference Octane Rating Guide:

102 RON (EU) = 98 AKI (US) - Racing Grade Fuel
98 RON (EU) = 93 AKI (US)
95 RON (EU) = 91 AKI (US)
92 RON (EU) = 87 AKI (US)

per http://en.wikipedia.org/wiki/Octane_rating

...

What fuel octane level do you put in your 1M?

Last edited by DSCPLN; 08-25-2013 at 06:27 PM.
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      08-22-2013, 12:43 PM   #2
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i trust 91 shell
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      08-22-2013, 01:03 PM   #3
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98 RON
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      08-22-2013, 01:04 PM   #4
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Always 93 for me - Shell, BP, ExxonMobil or Chevron. I just wish I knew a place in Dallas that sold fuel sans ethanol.
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      08-22-2013, 01:59 PM   #5
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Whenever I can Aral Ultimate 102
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      08-22-2013, 02:51 PM   #6
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Quote:
Originally Posted by Stratus650 View Post
98 RON
How big of a difference when you have 91/93 vs 98?
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      08-22-2013, 04:05 PM   #7
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Quote:
Originally Posted by M3ZCP6MT View Post
How big of a difference when you have 91/93 vs 98?
98 RON=93 octane, RON is a EU standard.

RON Reaserch Octane Number. (Used in Europe and elswhere in gas stations)
MON Motor Octane Number.
AKI Anti-Knock Index. This is the number that is posted on the gas station in the USA as "Octane". It is derived as (RON + MON)/2
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      08-22-2013, 04:58 PM   #8
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I use Shell 91 here at home in Alberta (thankfully ethanol-free). I refuse to use Petro-Canada's ethanol-enhanced 94, but will use Chevron 94 (ethanol-free) when in British Columbia.
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      08-22-2013, 05:06 PM   #9
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98RON. With these engines always use highest available, esp with a tune. Sure mine would pull timing if I used lower level fuel.
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      08-22-2013, 06:25 PM   #10
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Quote:
Originally Posted by Ian///M View Post
98RON. With these engines always use highest available, esp with a tune. Sure mine would pull timing if I used lower level fuel.
Same here ..98 RON on Oz, as you will find most, if not all will reply.
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      08-22-2013, 06:52 PM   #11
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Quote:
Originally Posted by Zuzu View Post
Same here ..98 RON on Oz, as you will find most, if not all will reply.
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      08-22-2013, 07:52 PM   #12
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Quote:
Originally Posted by gs/e60/1m? View Post
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      08-22-2013, 08:06 PM   #13
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      08-22-2013, 09:04 PM   #14
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I use 97 here in Chile. I'm not sure if that's RON. Will check mañana. I have not seen anything higher octane.
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      08-22-2013, 09:55 PM   #15
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Quote:
Originally Posted by Sparks1M View Post
I use 97 here in Chile. I'm not sure if that's RON. Will check mañana. I have not seen anything higher octane.
Please do that, but I am pretty sure it should be RON. I only use Shell V Power 97 here for the 1M, locals believe that is the best and cleanest in the market and I have nothing against that. My bet is 97 in Chile is somewhere between US 91 and 93. There is no higher octane here; Petrobras has (or had) a 98+ totally ethanol free gas in Brazil called "podium" in select stations but unfortunately they don't sell it here in Chile.
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      08-22-2013, 10:18 PM   #16
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Most stations in WA offer 87, 89 or 92. I always get 92.
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      08-23-2013, 01:15 AM   #17
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Always BP Ultimate 98 RON @ gasstation around the corner.

Driving in Germany: 102(Aral etc)...And maybe it's a placebo effect but the car always feels a 5/10 BHP(just pointing out) more with 102...

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      08-23-2013, 01:28 AM   #18
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98 Ron with 50% ethanol with a tuned file or just 95 when cruising
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      08-23-2013, 02:46 AM   #19
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98 RON from BP all the time
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      08-23-2013, 06:50 AM   #20
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BP Ultimate every time - 98 RON. Apparently marginally better fuel economy than Shell v-power 98, because fuel efficiency is the first thing on my mind in this car :-)
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      08-23-2013, 07:18 AM   #21
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95 RON BP or Sasol with 1 litre NF Ultra to take it up to 98 RON.
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      08-25-2013, 10:50 AM   #22
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I always go back and forth in my mind on which route to go...91 Shell that is ethanol free, or 93 BP that has 10% of that nonsense.
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