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Old 03-21-2007, 07:11 PM
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Default ECU question

I have a 2001 S4 with a H box, if I was to purchase a A box,M box or T box ecu chipped already will it work on my car
Old 03-21-2007, 07:16 PM
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Default Go here...

<ul><li><a href="http://s4wiki.com/wiki/Generations">http://s4wiki.com/wiki/Generations</a</li></ul>
Old 03-21-2007, 07:30 PM
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Default H, M and T boxes will work

you will need to change your instrument cluster coding (change adaptation channel 60 value to 1025)

Of course if you buy an H box you wont even need to do that. I happen to know someone selling an H box ECU.
Old 03-21-2007, 07:31 PM
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Default M and T are the easiest- I belive that A can be recoded as well. Plenty of M and T GIAC out there...

for sale (including me :-P

M and T just need the instrument cluster recoded which takes about a minute with VagCom
Old 03-21-2007, 07:35 PM
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Default In this case, H would be easiest. The A Box would need to be reflashed to h,m or t code by the tuner

Then you would need to change the soft coding and channel 60 value as appropriate
Old 03-21-2007, 07:58 PM
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Default True- direct swap out. I have run both M (GIAC) and T (ASP hybrid code which I think is actually M..

code) on my H box car. I guess I had APR H code on there too at one point.

have you had any bites on you APR ECU? I lucjed out and sold my H box on Ebay for $850. The used ECU market seems to run hot and cold.
Old 03-21-2007, 07:59 PM
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Default Re: H, M and T boxes will work

CASA *S4* KING
the personal selling the H box ecu what chip is in it. My preference would be MTM but alot of guys like the Giac
Old 03-21-2007, 08:01 PM
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Default Re: CASA *S4* KING

the person selling the H box ecu what chip is in it. My preference would be MTM but alot of guys like the Giac
Old 03-21-2007, 08:10 PM
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Look at the link in his sig ;-P APR is good stuff, so is GIAC and ASP. Dont know much about MTM
Old 03-21-2007, 08:11 PM
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Default I havent had any bites recently

I had a few people express interest, but then back out. I've ran a lot of different software in H and M boxes with no problem:
Stock H
Giac H
AMS M
ASP M code on an H box
APR H

I'd love to get that much for my APR chip. Its flippin loaded, so Im amazed that more people aren't interested considering my price.


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