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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 Ecu Flash!!!



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      06-29-2009, 09:28 PM   #1
Nick@aep
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GIAC Ecu Flash!!!


This week will be an amazing week! I will be posting dyno numbers, personal impressions, and all the info on the newest addition to GIAC's powerful arsenal of tunes.

GIAC has nearly 20 years of experience tuning many different cars ranging from VW, Audi, BMW and Mini to Porsche and Bentley. Their tuning boasts not only impressive gains but excellent driveability and smoothness throughout the rev-range.

Here at AE, we happily run their software in every applicable car including our Time Attack competing Porsche 996 GT2 which makes ~620hp on race gas.

Many of you are probably aware at this point that GIAC has been working away at the N54 tune on their own 335 and we have aided them in the past several months with numerous ECU readouts any by doing anything we can.

We are also proud to say that Andy @ GIAC's personal 335 that is the canvas upon which they have created their latest tune is running our AE Dual exhaust system!

Stay tuned this week for MUCH more information!

(Sorry for the teaser... it'll be worth it!)

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      06-29-2009, 09:31 PM   #2
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cot damn... finally GIAC came out w/something for these cars!
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      06-29-2009, 09:33 PM   #3
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so far all flashes have been disappointing when it comes to bang for buck. hopefully this will be different.
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      06-29-2009, 09:35 PM   #4
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It's great to see more options come out for our engines!
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      06-29-2009, 09:37 PM   #5
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i hope GAIC is not even distantly related to dinan LOL
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      06-29-2009, 09:38 PM   #6
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Quote:
Originally Posted by midlife View Post
i hope GAIC is not even distantly related to dinan LOL
GIAC has always made a great product for VW/audi/Porsche. I had a audi a4 with an APR tune because it was more aggressive but i always heard GIAC was a little more smooth
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      06-29-2009, 09:49 PM   #7
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GIAC is legit.

you all are going to love it i'm thinking.
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      06-29-2009, 09:51 PM   #8
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Can't wait to read more!
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      06-29-2009, 10:08 PM   #9
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Finally! I don't think GIAC will disappoint.
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      06-29-2009, 10:42 PM   #10
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Will all dealers be able to flash/reflash? Require the battery charger BMW recommends?

I've not been a fan of GIAC on 91 octane in the AZ heat, so hopefully it's been figured out better given the higher sophistication of our DMEs. Curious to see the results.
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      06-29-2009, 10:54 PM   #11
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Unless its over 14 psi, not interested. Flashes have been a big fail so far because of the limitation of boost they can't get over without making the car go crazy.

Funny enough BMW works best on piggybacks. Who would have thought!
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      06-29-2009, 10:56 PM   #12
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Quote:
Originally Posted by retrodrive View Post
Unless its over 14 psi, not interested. Flashes have been a big fail so far because of the limitation of boost they can't get over without making the car go crazy.

Funny enough BMW works best on piggybacks. Who would have thought!
What's even funnier is the people who make the flashes don't want to go higher than 14psi.

You seriously think its a limitation of the DME? It's not.

But if you are seriously happy with your piggyback, why does it matter? If it gets you where you want to be... enjoy the damn thing.
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      06-29-2009, 11:03 PM   #13
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i've been waiting for this....i cant wait to hear/read more about it!!
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      06-29-2009, 11:20 PM   #14
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Quote:
Originally Posted by roozie2001 View Post
GIAC has always made a great product for VW/audi/Porsche. I had a audi a4 with an APR tune because it was more aggressive but i always heard GIAC was a little more smooth
Really? I had APR1+ on my B6 for a while. Was always under the impression APR was the smoother one, and GIAC was more aggressive..
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      06-29-2009, 11:21 PM   #15
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Quote:
Originally Posted by smdandb2 View Post
What's even funnier is the people who make the flashes don't want to go higher than 14psi.

You seriously think its a limitation of the DME? It's not.

But if you are seriously happy with your piggyback, why does it matter? If it gets you where you want to be... enjoy the damn thing.
As I said, if they found a way around the 14 psi limit, they have a goldmine on their hands. There is a really good reason why NO tune can hit 15 psi
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      06-29-2009, 11:44 PM   #16
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Quote:
Originally Posted by retrodrive View Post
As I said, if they found a way around the 14 psi limit, they have a goldmine on their hands. There is a really good reason why NO tune can hit 15 psi
its not rocket science,the turbos will fail.

Nothing to do if they can boost it or not from the ecu.
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      06-30-2009, 12:39 AM   #17
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      06-30-2009, 01:31 AM   #18
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Quote:
Originally Posted by BMdblU View Post
Really? I had APR1+ on my B6 for a while. Was always under the impression APR was the smoother one, and GIAC was more aggressive..
Well, in my personal experiences I've found that GIAC is both the smoother and more aggressive tune. Their tunes have consistently made more power than the competition while keeping driveability in check. Who wants to drive a fast car that you cant even start off in first gear without looking like you've got no control over your right foot from how bad it jerks?

This very reason is why GIAC has been working on the N54 flash for so long... they wanted to make sure it did a few things the best it possibly could- driveability, power, and smoothness.

If they wanted to simply introduce a flash to the market ASAP to capitalize on new ground to be had in the N54 tuning world, they would have done it a LONG time ago. This is quality.
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      06-30-2009, 01:35 AM   #19
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Quote:
Originally Posted by midlife View Post
i hope GAIC is not even distantly related to dinan LOL
I don't believe GIAC has anything remotely similar to that anywhere in its family tree.
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      06-30-2009, 01:42 AM   #20
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      06-30-2009, 01:47 AM   #21
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Quote:
Originally Posted by roozie2001 View Post
so far all flashes have been disappointing when it comes to bang for buck. hopefully this will be different.
This will definitely be different.
Quote:
Originally Posted by Mr. 5 View Post
It's great to see more options come out for our engines!
Agreed! I'm especially glad that its a flash.
Quote:
Originally Posted by Sniz View Post
GIAC is legit.

you all are going to love it i'm thinking.

Quote:
Originally Posted by astris View Post
Finally! I don't think GIAC will disappoint.
You'd definitely know, good sir.
Quote:
Originally Posted by kptaylor View Post
Will all dealers be able to flash/reflash? Require the battery charger BMW recommends?

I've not been a fan of GIAC on 91 octane in the AZ heat, so hopefully it's been figured out better given the higher sophistication of our DMEs. Curious to see the results.
Yessir, correct. GIAC on 91 octane isnt to blame for your car not running well in high heat. That would be attributed moreso to poor cooling from a stock intercooler. Audis (which I'm assuming youre referring to) have terrible stock intercoolers in very poorly ventilated areas (SMICs) so with any heat running a higher boost application for a prolonged period of time, you're undoubtedly in for some knocking. For this reason, GIAC will be making a Stage 2 file specifically requiring a FMIC kit. Heat + Turbo = Bad without cool IATs.

Quote:
Originally Posted by retrodrive View Post
As I said, if they found a way around the 14 psi limit, they have a goldmine on their hands. There is a really good reason why NO tune can hit 15 psi
Bigger isn't always better, good sir. Thats all I'll say in regards to that for now.
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      06-30-2009, 01:49 AM   #22
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Quote:
Originally Posted by retrodrive View Post
As I said, if they found a way around the 14 psi limit, they have a goldmine on their hands. There is a really good reason why NO tune can hit 15 psi
It's been done
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