[BiturboS4] s4 engine noise

California Fields cfields72 at hotmail.com
Thu Oct 16 13:47:00 EDT 2003

Are you able to get Audi to cover the turbo replacement?

<DIV>Carter Fields, San Francisco</DIV>
<DIV>2001.5, GIAC-X, Miltek 3" cat-back, Strat. shifter, Strat. DVs,
A-pillar boost gauge</DIV>

>From: Michael Kuriger <michael at isuzu-mods.com>
>To: Robin Gibson <robingibson at cowanlinn.co.uk>
>CC: BiturboS4 at audifans.com
>Subject: Re: [BiturboS4] s4 engine noise
>Date: Thu, 16 Oct 2003 09:03:59 -0700
>On my 2001 S4, the turbos started whining almost immediately after
>installing the X chip at 8000 miles.  the turbos failed last week at
>20,000 miles and there was no warning.  I just hit the gas and all of a
>sudden i was shooting tons of smoke out the back end.  :-(
>Robin Gibson wrote:
>>This is a multi-part message in MIME format.
>>[ Picked text/plain from multipart/alternative ]
>>I run a 1999 S4 manual with ABT chip (310bhp) which was fitted 2 years
>>ago.  Over the last 6 months I have noticed more induction-type noise from
>>the turbos; rather than the usual crisp high pitched whistle from 1500rpm,
>>it sounds like a muted moaning sound between 1500-2000rpm, almost like one
>>of the turbos is slow to speed up and slow down.  It is most noticeable on
>>light throttle or when decelerating.  No noises or problems when driven
>>hard.  Feels like some loss of response below 3000rpm, but difficult to
>>tell if much loss at higher revs.  Sound familiar to anyone?
>>e-mail: robingibson at cowanlinn.co.uk
>>The information in this electronic mail ("e-mail") message may be
>>protected by legal, professional
>>or other privilege and is for the confidential use of the individual or
>>entity named above.
>>Although this email and its attachments are believed to be free of any
>>virus or other defect, it
>>is the responsibility of the recipient to ensure that they are virus free
>>and no responsibility is
>>accepted by Cowan & Linn for any loss or damage arising from receipt or
>>use thereof.
>>BiturboS4 mailing list
>>BiturboS4 at audifans.com
>BiturboS4 mailing list
>BiturboS4 at audifans.com

Want to check if your PC is virus-infected?  Get a FREE computer virus scan
online from McAfee.

More information about the Biturbos4 mailing list