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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > giac with methanol



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      05-26-2012, 03:49 PM   #1
upss
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giac with methanol

hi which map is better to run with methanol map 1 is safe thank
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      05-26-2012, 03:51 PM   #2
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GIAC doesn't have numbered maps. The Race maps on the map switcher (either Stage 1 or Stage 2) are the ones for methanol.
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      05-26-2012, 03:59 PM   #3
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Quote:
Originally Posted by upss View Post
hi which map is better to run with methanol map 1 is safe thank
The previously mentioned comment is correct. To run our software with water-methanol, you would want to switch to the "Race" map. Your normal 91/93 octane file is stored under "Pump", while the "Race" map is for 100 octane or 91/93 octane with the addition of water-methanol. We tune our maps for 50/50 water-methanol, so we recommend this mixture ratio.
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      05-26-2012, 04:06 PM   #4
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thank a lot i have giac stage 1 i need the switcher and the race map
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      05-26-2012, 04:12 PM   #5
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Quote:
Originally Posted by upss View Post
thank a lot i have giac stage 1 i need the switcher and the race map
In the meantime, you can run water-methanol with the pump map. The DME will advance timing a bit and give you some better performance, but there are certainly more gains to be had on the Race file.
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      05-26-2012, 04:19 PM   #6
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thank i sent a email for more info
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