[BiturboS4] New S4 owner

Quincy Chiang quincy.chiang at globalte.com
Fri Oct 24 10:01:06 EDT 2003


I know the fuel quality here in North America isn't as good as those found in Europe, but we pay a lot less than them, so I can't really complain.  As for the detuning of the S4 from 265 to 250hp, I thought the main reason was so that Audi could equip this car with a slushbox for the North American market, as the euro-S4 are manual transmission only.  The main reduction is torque from 295(?) to 258(?) ft-lb, my numbers maybe wrong.


-----Original Message-----
From: Ti Kan [mailto:ti at amb.org]
Sent: Friday, October 24, 2003 1:51 AM
To: Robin Gibson
Cc: Ti Kan; John M. Harrison; biturbos4 at audifans.com
Subject: Re: [BiturboS4] New S4 owner

Robin Gibson writes:
> I chipped my S4tt at 15k with the abt 310hp chip.  I am now at 44k miles
> without any problems.  Best purchase I ever made; I'd probably have sold my
> kids for an RS4 by now, but with the abt S4 there is little point.  I use
> the car for everyday driving and find that I very rarely have to use full
> power.  Driven with (some) restraint and respect, the rest of the
> mechanicals seem to be up to it.  In the UK at least, the Audi warranty is
> unaffected if they install the abt chip.  Worth checking up on - you're
> missing out otherwise

Yeah, but you probably have much better fuel quality in the UK than what
we have here that's pisswater pretending to be fuel.  Audi had to detune
the S4's power/torque output for the US market cars because of that,
in order to put some safety margin in.  By chipping up to above the
Euro standard, we would remove all the safety margin and then some...

2003 A4 1.8T multitronic
2001 S4 biturbo 6-sp
1984 5000S turbo
1980 4000 2.0 5-sp
    ///  Ti Kan                Vorsprung durch Technik
   ///   AMB Laboratories, Sunnyvale, CA. USA
  ///    ti at amb.org
 //////  http://www.amb.org/ti/

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