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      08-31-2011, 08:58 PM   #23
HP Autosport
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GIAC Stage 1 is ready to flash at your local GIAC dealer. Give them a call and set up your appointment today!
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      01-24-2012, 12:16 AM   #24
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An update...

We are up to 385 hp and 385 ft lbs at the rear wheels on race fuel with GIAC Stage 1+. IAT is right at 37C and turbo duty cycle at 35% at Redline!

Stage 1+ only requires FMIC, Intake and high flow mid pipe. Yes, you do not need high-flow catted or catless DP's.

Up next...we will install a set of AR catted DP's just to see if we pick up power.
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      01-24-2012, 10:59 AM   #25
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Quote:
Originally Posted by HP Autowerks View Post
An update...

We are up to 385 hp and 385 ft lbs at the rear wheels on race fuel with GIAC Stage 1+. IAT is right at 37C and turbo duty cycle at 35% at Redline!

Stage 1+ only requires FMIC, Intake and high flow mid pipe. Yes, you do not need high-flow catted or catless DP's.

Up next...we will install a set of AR catted DP's just to see if we pick up power.
Harold, my local GIAC dealer told me that separate 91, 93 and race fuel maps were available for a stock 1M. Your threads seem to indicate a 91 program for stock and a 91+ with FMIC, intake and mid pipes. Can you confirm? I get that you can always add race fuel to get a bump but my dealer indicated there was a separate race fuel map.
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      01-24-2012, 11:05 AM   #26
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Quote:
Originally Posted by p66 View Post
Harold, my local GIAC dealer told me that separate 91, 93 and race fuel maps were available for a stock 1M. Your threads seem to indicate a 91 program for stock and a 91+ with FMIC, intake and mid pipes. Can you confirm? I get that you can always add race fuel to get a bump but my dealer indicated there was a separate race fuel map.

I think thats because out West(in CA) 91 octane is about as high as you can find/buy.
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      01-24-2012, 11:41 AM   #27
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Quote:
Originally Posted by BMW Gator View Post
Do you provide the max boost numbers, IAT's, or A/F ratios along with the product? I know you indicated the numbers were somewhat conservative but I would want to know some more critical data before commiting to a product that could potentially grenade my motor.
Thanks
GIAC will hopefully provide the info you are after. Give them a call!




Quote:
Originally Posted by p66 View Post
Harold, my local GIAC dealer told me that separate 91, 93 and race fuel maps were available for a stock 1M. Your threads seem to indicate a 91 program for stock and a 91+ with FMIC, intake and mid pipes. Can you confirm? I get that you can always add race fuel to get a bump but my dealer indicated there was a separate race fuel map.
Stage 1+ requires the hardware I have stated above. Fuel can be 91, 93 and race fuel.

What you have on the car is probably Stage 1 with 93 octane, a race fuel map is available for you. Get the handheld switch and you can have stock, 93 octane and race fuel map switching capabilities.

There will be a Stage 2 as well very soon.

Last edited by HP Autosport; 01-24-2012 at 01:07 PM.
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      01-24-2012, 12:23 PM   #28
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Quote:
Originally Posted by HP Autowerks View Post
Stage 1+ requires the hardware I have stated above. Fuel can be 91, 93 and race fuel.

What you have on the car is probably Stage 1 with 93 octane, a race fuel map is available for you. Get the handheld switch and you can have stock, 93 octane and race fuel map switching capabilities.

There will be a Stage 2 as well very soon.
Will the stage 2 tune be compatible with a range of DP's, or only the AR DP's? Asking because I have a set of akra DP's waiting to be installed in the spring when I pull the M out of hibernation.
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      01-24-2012, 12:40 PM   #29
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2008 135i  [4.33]
Quote:
Originally Posted by BMW Gator View Post
Do you provide the max boost numbers, IAT's, or A/F ratios along with the product? I know you indicated the numbers were somewhat conservative but I would want to know some more critical data before commiting to a product that could potentially grenade my motor.
Thanks
Interested in seeing these as well.
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      02-01-2012, 09:07 AM   #30
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Does GIAC give the end-user the capability to remove the tune prior to dealer visits or is that something the installer has to do?
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      02-01-2012, 09:26 AM   #31
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What are the stage 1 dyno numbers on 93 and 91?
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      02-01-2012, 04:05 PM   #32
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Quote:
Originally Posted by ZCP M3 View Post
Does GIAC give the end-user the capability to remove the tune prior to dealer visits or is that something the installer has to do?
You have the option to purchase additional maps, including the stock map. Along with the handheld switcher, you can switch maps before taking the vehicle into your local dealer.

Quote:
Originally Posted by robertm View Post
What are the stage 1 dyno numbers on 93 and 91?
91 Octane.
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      02-01-2012, 04:24 PM   #33
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I'm sorry, I meant dyno numbers for stage 1+ with 91 and 93 octane
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      02-23-2012, 12:16 AM   #34
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Quote:
Originally Posted by robertm View Post
I'm sorry, I meant dyno numbers for stage 1+ with 91 and 93 octane
There is no 93 octane here in California. Perhaps 1M guys with GIAC and 93 octane can post?
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      03-16-2012, 03:20 PM   #35
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Anyone running this tune have any updates?
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      03-16-2012, 05:15 PM   #36
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Quote:
Originally Posted by pearlwhites View Post
Anyone running this tune have any updates?
There should be a bunch of guys with this flash, but not everyone is active here or even on the forums.
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      03-17-2012, 12:55 AM   #37
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Do you guys know if the octane is the "same" between different countries? Or does the way we measure differ between countries?

I drive mine on 98 octane as that is the most common in Sweden. It would be ok to use 95 octane but the price difference is to little to not always run it on 98 octane. Not sure if they sell 100 octane any more over here.

But would 98 octane in Sweden also be 98 octane in the US? Sorry if this is a stupid question but I just assume there is some difference... ;-)
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      03-17-2012, 02:16 AM   #38
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Nope, they're different between Europe and the US. I forget the math but I think 98 over here is equal to 93 in the states.
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      03-17-2012, 07:52 PM   #39
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Quote:
Originally Posted by hybris4u View Post
Do you guys know if the octane is the "same" between different countries? Or does the way we measure differ between countries?

I drive mine on 98 octane as that is the most common in Sweden. It would be ok to use 95 octane but the price difference is to little to not always run it on 98 octane. Not sure if they sell 100 octane any more over here.

But would 98 octane in Sweden also be 98 octane in the US? Sorry if this is a stupid question but I just assume there is some difference... ;-)
If I made a mistake in the following, please correct me.
I'll try my best.

Octane rating is derived differently in the US vs. how it is derived in the UK, Europe, S. Africa, and Australia.

There are 2 main tests used to detect the octane rating of a fuel.
There are RON and MON.
RON is "research octane number". It is used in the UK, Europe, S. Africa,
and Australia.
MON is "motor octane number".
PON is "pump" octane number". It is derived by the (R+M)/2 method. So, it's an average of both test methods.
It is used in N. America.

On average, MON results in an 8-10 point lower octane number.
PON results in a 4-5 point lower octane number.
Using that info a PON of 91-AKI (anti knock index) rating in N.America would be about 95-96 RON rating outside of N.America.
A PON of 93 rating would be about 97-98 RON in Europe and Australia.

Both RON and MON methods use a variable compression ratio engine.
RON uses a lower rpm, around 600rpm, to run it's test.
MON uses a higher rpm, around 900rpm, variable ignition timing, and
pre-heated fuel in order to create a higher stress load on the engine.
In terms of testing method, MON seems to be a better indicator of how the fuel responds as the test method tries to better mimic daily driving conditions.

Many people say that US gasoline is of lower quality, but I think that's the result of many people not understanding the rating system. From that, people have assumed that RON's larger numbers are thus "better" than the number we see in the US and N. America. However, once you know how the numbers are derived, you then know that N. American gasoline is just as good as Euro gas in terms of octane rating.

There are some factors, like sulfur content and the use of ethanol, in US gas and diesel fuels that contribute to a perception of "inferior" US and
N.American fuels. Euro regs are stricter on sulfur content especially in diesel. But, US fuel production is getting stricter as well.
It costs more money to produce ultra low to 0 sulfur fuel and that's one reason Euro fuels are more expensive.

As for ethanol, 10% formulations are the norm in the N. American market. By 2010 nearly all US gasoline is E10, or 10% ethanol. There are some limited markets that have less, down to 0 ethanol.
Many Euro markets have E5-5% formulations, with E10 becoming more common. Australia has E10 available as well.
Ethanol has a lower thermal content and thus lower MPG per volume, but it's also a high octane fuel, and it's used to help increase octane rating.

Edit: added some corrections

Last edited by RPM90; 03-18-2012 at 07:33 PM.
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      03-18-2012, 06:02 AM   #40
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All correct, and to summarize:
91 US is equivalent to at least 95 euro octane
93 US is equivalent to 98 euro octane

Note on page 1 of this post the significant power difference between standard fuel (91US) and race fuel (100US): 18HP which is around 5% !!
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      03-18-2012, 07:37 PM   #41
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Quote:
Originally Posted by LotusBoy View Post
All correct, and to summarize:
91 US is equivalent to at least 95 euro octane
93 US is equivalent to 98 euro octane

Note on page 1 of this post the significant power difference between standard fuel (91US) and race fuel (100US): 18HP which is around 5% !!
Just checked one of my local fuel stations, and they have a PON 110 rated gasoline. Race gas basically.
It sells for about $6.40 per gallon. Not bad if you've got software for it, considering 93 is going for about $4.20 in my area.
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      03-19-2012, 03:35 PM   #42
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Quote:
Originally Posted by LotusBoy View Post
All correct, and to summarize:
91 US is equivalent to at least 95 euro octane
93 US is equivalent to 98 euro octane

Note on page 1 of this post the significant power difference between standard fuel (91US) and race fuel (100US): 18HP which is around 5% !!
Interesting! My Swedish 1M instruction book recommend 98 euro octane but also say it can be driven on 95 euro octane. So the recommendation is 93 US or 98 euro octane over here. Do you have the same recommendation for your US specced 1M? Just curious.
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      03-22-2012, 12:01 AM   #43
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GIAC 1M software

GIAC Stage 2, and Stage 2 Race Fuel maps are ready to flash as well!
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      08-22-2012, 12:33 PM   #44
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Quote:
Originally Posted by hybris4u View Post
Interesting! My Swedish 1M instruction book recommend 98 euro octane but also say it can be driven on 95 euro octane. So the recommendation is 93 US or 98 euro octane over here. Do you have the same recommendation for your US specced 1M? Just curious.
GIAC has flashes for 91 and 93 octane fuel, as well as 100 race fuel.
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