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03, 2001, 2003, 2005, a4, audi, gti, k03, k03s, ko3, ko3s, model, stock, turbo, turbos

What model turbo came stock on the 2001 A4? KO3/K03s?

JSS on Apr 22, 2008

May 10, 2013 09:08 PM
by RobE

7

11,108

A4 (B5 Platform) Discussion

2002, fueling, high, impellers, johnny, ko3s, law, linkage, miles, s6, shift, stage, unbalanced

Here is some hope for People with original KO3's and high miles.

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KillA6 on Mar 27, 2008

Jan 21, 2011 12:37 AM
by A6force

28

2,497

A6 / S6 (C5 Platform) Discussion

What do you guys think of these used ko3s? Pics&VIDEO

ride1157 on Aug 15, 2010

Aug 24, 2010 01:59 PM
by ride1157

9

1,159

S4 / RS4 (B5 Platform) Discussion

27t, allroad, audi, c4, drive, good, ko3s, miles, motor, run, s4, s4s, tt, turbos, ur

How many miles did you have on your first turbos?

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krolls on May 5, 2009

Jul 29, 2009 03:42 PM
by realOOOOestate

26

7,024

2.7T V6 Discussion

2000, a4, audi, b5, b6, hard, k03, k04, ko3, ko3s, ko4, long, s4, swap, tt

How hard is it? ko3 to ko4 swaps

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flashburn on Apr 15, 2009

Apr 20, 2009 07:24 AM
by flashburn

11

4,423

S4 / RS4 (B5 Platform) Discussion

fastest, hybrid, k03, ko3, ko3s, ko4s, month, power, s4, ssp, stage, tt, tuned, turbos, turn

who has the most powerful ko3 car?

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MTV2002 on Mar 4, 2009

Mar 6, 2009 08:33 AM
by Z-Tuned (Alex)

53

6,848

S4 / RS4 (B5 Platform) Discussion

2002, audi, buy, cheapest, k03s, ko3s, parts, replacement, s4, wheel

Where is the cheapest place to buy stock replacement K03s?

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ChronoGN on Oct 14, 2008

Oct 14, 2008 08:05 PM
by Couver

20

1,507

S4 / RS4 (B5 Platform) Discussion

atw, audi, engine, fit, k03, k03s, k04, ko3s, replacement, specs

00 ATW is running a K03 or a K03s?

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mktbully on Sep 24, 2008

Sep 25, 2008 04:00 AM
by ModifiedA4

18

3,639

A4 (B5 Platform) Discussion

KO3's still pullin strong. rolling start, stayed even steven w/ a E46 M3 this AM. that is all. ;-)

S4HORE on Jul 9, 2008

Jul 9, 2008 07:06 AM
by TwentyValveB5+S4

4

410

S4 / RS4 (B5 Platform) Discussion

a4, audi, b5, cracked, ebay, exhaust, k03, ko3, ko3s, ko4, manifold, manifolds, ported, s3, tubular

Ebay KO3/KO4 tubular exhaust manifold

HJB on May 23, 2008

May 25, 2008 08:17 AM
by HJB

6

1,410

A4 (B5 Platform) Discussion

K04 not anymore?

ImolaPR on Mar 26, 2008

May 7, 2008 06:12 PM
by AutoXJunkie (Justin)

5

805

1.8T Discussion

audi, b5, e85, k03, ko3, ko3s, log, logs, running, s4

I think I might be the first B5 S4 to do it...E85!

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jibberjive on Apr 2, 2008

Apr 2, 2008 06:06 PM
by Enigmagic

11

3,584

S4 / RS4 (B5 Platform) Discussion

GIAC and boost contol, max out KO3's...

jibberjive on Mar 26, 2008

Mar 26, 2008 05:35 AM
by pitchS4

1

557

S4 / RS4 (B5 Platform) Discussion

Hey wheres the best place to buy Ko3's.

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AWD2KS4 on Jan 28, 2008

Jan 29, 2008 07:30 PM
by audidweeb

14

577

S4 / RS4 (B5 Platform) Discussion

boost, chipped, hold, holding, k03s, ko3s, make

How much boost should k03s turbo hold at 5000-6000rpms chipped APR 1bar assuming there are no leaks?

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trancesp0t on Jan 22, 2008

Jan 23, 2008 03:17 AM
by Mr. Head

12

1,108

A4 (B5 Platform) Discussion

I did a turbo swap (k03s) a couple of months ago and I have had a small amount of smoke coming.....

golfindaily on Jan 4, 2008

Jan 5, 2008 01:48 AM
by The_Jerbel (Jordan)

6

621

S4 / RS4 (B5 Platform) Discussion

RIP KO3's.. eulogy below.

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ReiseReise on Dec 19, 2007

Dec 20, 2007 06:30 AM
by apk-S4

26

974

S4 / RS4 (B5 Platform) Discussion

Anyone want to part with low mileage, no issues KO3's?

sphere on Apr 7, 2007

Apr 8, 2007 10:38 AM
by PKBlu::E30 Hunt

7

332

S4 / RS4 (B5 Platform) Discussion

4jg2, external, ko3, ko3s, plug, stuck, turbo, wastegate

ko3 wastegate troubles

rbjb99 on Apr 6, 2007

Apr 7, 2007 04:52 AM
by Allroady DungBeetle

2

645

A4 (B5 Platform) Discussion

a4, b5, b7, diameter, id, inlet, inlets, intake, k03, ko3, ko3s, pipe, s4, sise, size

Stupid quick question: what size is the ko3 inlet?

fastbreak88 on Apr 5, 2007

Apr 5, 2007 08:19 AM
by fastbreak88

2

1,039

A4 (B5 Platform) Discussion

2000, 2001, a4, audi, install, ko3, ko3s

KO3S or KO3

KARMAD on Mar 30, 2007

Mar 30, 2007 05:43 PM
by beejohn

8

630

A4 (B5 Platform) Discussion

where to buy ko3

tttothez on Mar 5, 2007

Mar 6, 2007 07:01 PM
by tttothez

4

313

A4 (B5 Platform) Discussion

a4, audi, bex, engine, extended, garrett, gt2554, hot, kkk, ko3, ko3s, lags, retrofitting, side, tip, ultrasport

Hey guys, I dont know anything about A4s, I own an A6,but I have a question.....

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AUDIctivo on Feb 7, 2007

Feb 7, 2007 09:20 PM
by DenverNoob

13

1,401

A4 (B6 Platform) Discussion

1600mbar, a4, audi, boost, chipped, curve, hitting, ko3s, ko4, spike

K04's with APR Stage 1 KO3 software - why does my boost spike to 20psi and then cut?

Trango on Jan 13, 2007

Jan 15, 2007 06:15 AM
by Nigel (no more S4)

8

1,940

Rocky Mountain Discussion

19psi, holding, ko3s, redline, running, stock

What should one be spiking to with stock ko3's...20?...21?

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bertworks(dan@jhm) on Oct 16, 2006

Oct 18, 2006 01:31 PM
by bertworks(dan@jhm)

44

1,415

S4 / RS4 (B5 Platform) Discussion

18t, 2000, 27t, a4, a6, audi, automatic, chip, convert, giac, ko3s, ko4s, limit, turbo, upgrade

KO4s w/o the full fueling upgrade, stage 3- (?)

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SoloS4 on Mar 9, 2006

Sep 12, 2006 09:33 PM
by jbengfort

15

1,572

2.7T V6 Discussion

Ko4s or ko3s?

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1 2)

kofoured1.8 on Sep 2, 2006

Sep 3, 2006 05:24 AM
by StoneMan

11

484

S4 / RS4 (B5 Platform) Discussion

what is the going price for new ko3s... and/or new modded ko3s...

exS4||wp0ZZZ on Jul 19, 2006

Jul 19, 2006 08:13 PM
by Imolavirus@BuehnEngineering

4

418

S4 / RS4 (B5 Platform) Discussion

how much could i expect to sell my used ko3's with about 40000 miles on them? anyone intrested??

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SaifSiddiqui on Jul 12, 2006

Jul 12, 2006 04:14 PM
by GrandPaJohn

10

835

S4 / RS4 (B5 Platform) Discussion

spiked to 24psi today on my little K03s.. wonder if thats a record? lots of 23psi spikes too.

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Captain Matt, I be on Jul 10, 2006

Jul 10, 2006 10:32 AM
by Captain Matt, I be

15

714

S4 / RS4 (B5 Platform) Discussion