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      06-07-2011, 09:18 PM   #1
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GIAC ECU flash....?

Anyone flash a 2011 M3 with GIAC programing?
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      06-16-2011, 04:26 PM   #2
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Yes, great tune. No issues what so ever.
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      06-19-2011, 11:34 PM   #3
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Great tune, no issues with the BMW lock out.
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      06-20-2011, 04:36 AM   #4
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Just curious, what was the main difference you felt compare to stock? More torque low end, mid or just at the top rpm's? I had giac stg2+ in my 335, and it was bad ass, best tune i ever had....
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      06-20-2011, 10:26 AM   #5
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Better power throughout the powerband, the RPMs pulls consistently all the way through
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      06-20-2011, 10:28 AM   #6
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Can you customize the tune for a catless exhaust, ses light delete, intake, etc?
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      06-20-2011, 10:32 AM   #7
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GIAC will not turn off the rear O2 sensors for California cars, not sure about outside California.
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      06-20-2011, 11:52 AM   #8
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Don't have GIAC on my M3 but had Garrett himself flash all of my VW's. In the VW world they are regarded as the most aggressive tunes and I completely agree. I have driven other VW's with REVO and APR and they never compared to GIAC tuned cars. One of my VW's I bought even had a REVO tune by the previous owner and I paid Garrett to flash his tune over the REVO. When I am ready to have my M3 done I will be going with GIAC.
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      06-20-2011, 12:01 PM   #9
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Quote:
Originally Posted by Green-Eggs View Post
GIAC will not turn off the rear O2 sensors for California cars, not sure about outside California.
I have AZ tags and license, but i work in Ca? Would they consider doing that? I should probably go to their website....
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      06-22-2011, 02:41 AM   #10
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I have the GIAC tuning on my 2011... loving it
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      06-22-2011, 10:08 AM   #11
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Quote:
Originally Posted by phrogbubbaE92 View Post
I have AZ tags and license, but i work in Ca? Would they consider doing that? I should probably go to their website....
Interesting scenario...just sent them an email.
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      06-22-2011, 11:38 AM   #12
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GIAC said it won't pass readiness so Arizona is a no go.
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      06-22-2011, 01:20 PM   #13
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any warranty issues after doing GIAC flash? i.e., does it void your warranty?
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      06-22-2011, 03:50 PM   #14
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Quote:
Originally Posted by Green-Eggs View Post
GIAC said it won't pass readiness so Arizona is a no go.
gotcha.. just replied to your pm also.. thanks for the heads up
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      07-24-2011, 11:46 AM   #15
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bump
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      10-05-2011, 12:27 PM   #16
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Quote:
Originally Posted by navigator View Post
any warranty issues after doing GIAC flash? i.e., does it void your warranty?
Get the flash loader & return it back to stock
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      10-05-2011, 12:40 PM   #17
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Any dynos of this product?
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      10-05-2011, 04:50 PM   #18
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It's too bad they won't disable the O2 sensor. I'm assuming they don't have a high flow cat tune then.
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      10-05-2011, 05:50 PM   #19
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Quote:
Originally Posted by aus View Post
It's too bad they won't disable the O2 sensor. I'm assuming they don't have a high flow cat tune then.
GIAC has done this upon request in the past.
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      10-05-2011, 05:54 PM   #20
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Quote:
Originally Posted by tom @ eas View Post
GIAC has done this upon request in the past.
is GIAC a more moderate tune? Compared to Evolve OE and ESS? I was looking at all tunes for the bmw m3 e9x and it seems not many people go with GIAC even though GIAC is cheaper.
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      10-05-2011, 05:54 PM   #21
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Quote:
Originally Posted by Trevor .:R View Post
is GIAC a more moderate tune? Compared to Evolve OE and ESS? I was looking at all tunes for the bmw m3 e9x and it seems not many people go with GIAC even though GIAC is cheaper.
Yes it's the most conservative based on what I've read and heard.
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      10-05-2011, 05:56 PM   #22
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Quote:
Originally Posted by persian54 View Post
Yes it's the most conservative based on what I've read and heard.
Hey persian! And oh ok. I was just looking around at ecu tunes it seems that not many people go with GIAC i mean i essentially thought that all tunes made the same amount of power it was really the throttle response and what not that made the difference between tunes
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