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so has anyone ever had their stock K04 glow red? EDIT> codes & 02 sensor ?

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VorsprungTT on Jun 29, 2008

Jul 2, 2008 04:22 AM
by fredfromny

25

2,001

TT (Mk1) Discussion

a4, audi, b5, comparison, forums, garrett, gt28, gt28r, gt28rs, k03, k03s, ko3, reborn, software, turbo

Here is an old pic of my K03 next to my GT28rs. No comparison. Would never go back

jwj on Jun 12, 2008

Jun 13, 2008 06:55 AM
by Tgr_Clw

3

1,619

A4 (B6 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

Anyone ever upgrade to k04's after blown k03's under warranty?

JD797 on May 22, 2008

May 23, 2008 07:41 AM
by JD797

6

481

S4 / RS4 (B5 Platform) Discussion

Need K03 turbo for 2001 A4 1.8t in good working order........

PearlyWhite on Mar 13, 2008

May 20, 2008 06:45 PM
by AvantS4me

4

594

A4 (B5 Platform) Discussion

2002, a3, audi, downpipe, downpipes, gasket, jhm, k03, k04, ko4, s4, tune, vast

Are K03 and K04 downpipe gaskets the same?

PhunkFX on May 14, 2008

May 19, 2008 07:43 PM
by PhunkFX

5

2,192

S4 / RS4 (B5 Platform) Discussion

01s4, 2, apr, audi, awhp, b5, b8, dyno, epl, horsepower, k03, labs, mystang, s4, stage, stg2, tune

Mustang dyno results-01 S4 stage 2+:::::::::::::::

S4andTLS on May 9, 2008

May 10, 2008 01:32 PM
by Couver

9

14,041

S4 / RS4 (B5 Platform) Discussion

K03 replacement

guido_TT on May 9, 2008

May 9, 2008 02:15 PM
by ArTT Vandelay

5

585

TT (Mk1) Discussion

18psi, allroad, audi, audiword, boost, drl, efficiency, fueling, k03, ko3, max, psi, range, s4, stage, turbo

Max boost on a K03

asm72ecko on Apr 17, 2008

Apr 25, 2008 02:36 PM
by quickaudi:STFA

6

9,465

2.7T V6 Discussion

hayabusa, k03, ko3, motorcycle, triabusa, turbo

i was watching superbikes on speed channel last night they had a twin turbo hayabusa

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meangreens4 on Apr 16, 2008

Apr 17, 2008 12:00 PM
by Z-Tuned (Alex)

11

949

S4 / RS4 (B5 Platform) Discussion

Need K03 turbo for 2001 A4 1.8t in good working order........

PearlyWhite on Mar 13, 2008

Apr 16, 2008 04:05 PM
by DJ BMthree

1

727

1.8T Discussion

bore, bored, catia, drawing, fsi, howto, impeller, impellers, impellor, inventor, k03, ko3, model, modeling, models, solidworks

Bored..decided to model the K03 impeller sitting on my desk

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S40RCE:Smurf on Apr 8, 2008

Apr 10, 2008 09:32 AM
by Roque

21

2,151

S4 / RS4 (B5 Platform) Discussion

180, 1961, a4, audi, bc176, coupler, good, intercooler, international, k03, k03s, ko3, outlet, size, tt

Anyone know the size of the k03 outlet to intercooler. I need to order a coupler for my intercooler.

a4_1.8t_01 on Apr 5, 2008

Apr 6, 2008 09:44 AM
by a4_1.8t_01

9

2,789

A4 (B5 Platform) Discussion

Can someone here give me some specs on the K03 and K04 turbos?

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2001s4loored on Apr 2, 2008

Apr 3, 2008 03:56 PM
by S4Poor/deux@Curbside

18

3,538

S4 / RS4 (B5 Platform) Discussion

Anyone have a functional K03 they can unload cheap? Its needed for a unique project...

andysprague on Apr 3, 2008

Apr 3, 2008 03:49 PM
by Allroady DungBeetle

5

412

A4 (B5 Platform) 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

Anyone know what thread the oil inlet is on a K03 turbo?

andysprague on Apr 2, 2008

Apr 2, 2008 04:00 PM
by andysprague

0

512

A4 (B5 Platform) Discussion

Got a new K03 "sport" for the TT today.....

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ar design on Mar 14, 2008

Mar 16, 2008 10:08 AM
by ar design

21

980

Rocky Mountain Discussion

audi, b5, build, building, caught, end, havent, hybrid, hybrids, k03, k03s, k04, ko3, quote, s4

Can anyone direct me how to build K03/K04 hybrids?

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joshkegg on Mar 9, 2008

Mar 9, 2008 12:31 PM
by B5QShip

11

15,971

S4 / RS4 (B5 Platform) Discussion

UPDATED: As promsied, some K03 / K04 death/replace info

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mchang on Aug 29, 2006

Mar 3, 2008 06:46 PM
by Kyle K: TampaS4

13

884

S4 / RS4 (B5 Platform) Discussion

18zl, 355, caliper, calipers, cayenne, k03, propel, turbo, urs4guy

Speaking of boost.... This is the first car with a turbo that I've ever owned, and I have a few

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buellfire on Feb 28, 2008

Mar 2, 2008 06:00 PM
by ColoradoBrad

18

2,300

Rocky Mountain Discussion

So both my K03 and K04 will not receive oil. The feed line definitely feeds them oil though?

phoneyman on Feb 18, 2008

Feb 18, 2008 11:20 AM
by Yippers®

4

1,694

A4 (B5 Platform) Discussion

b5, bad, blown, code, failing, failure, k03, oily, p0302, p0421, plug, s4, sound, symptom, turbo

does this sound pretty typical of a k03 or any turbo failure...

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1 2)

Darth Sidious on Jan 30, 2008

Jan 31, 2008 12:45 PM
by heatsoakedS4

11

3,238

S4 / RS4 (B5 Platform) Discussion

05, 18, 18t, 2006, a4, audi, k03, leaking, oil, trurbo, turbo

turbo leaking oil, replacement options??

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90qttro on Jan 8, 2008

Jan 10, 2008 03:54 PM
by Romaudi

13

927

A4 (B5 Platform) Discussion

27t, a4, audi, braided, feed, fitting, inlet, k03, k04, ko3, line, lines, oil, return, s4, thread

Aftermarket Oil Feed Line for K03/K04?

04A41.8T_CVT on Dec 26, 2007

Dec 27, 2007 07:29 PM
by cyberpmg

4

19,447

A4 (B6 Platform) Discussion

2001, a5, apr, audi, b5, fuel, k03, ko3, line, pump, s4, sale, turbo, turbocharger, turbos, water

2 K03 turbo's FOR SALE

ShakS4 @ WMS on Dec 21, 2007

Dec 21, 2007 07:08 PM
by JBear::FATS

3

1,910

S4 / RS4 (B5 Platform) Discussion

blown, common, issues, k03, ko3, leaking, leaks, oil, pressure, problems, rebuild, turbo, turbos, wiki, write

K03 turbo problems

Boilermaker v1.8t on Dec 20, 2007

Dec 21, 2007 08:48 AM
by A400

4

9,187

A4 (B5 Platform) Discussion

K03 Outlet Diameter: Hardest damn question to answer? Anyone?

JayRyan on Dec 19, 2007

Dec 19, 2007 10:58 AM
by Nigel (no more S4)

1

885

Rocky Mountain Discussion

a4, advantage, crack, diverter, k03, k03s, ko3, oem, problems, replacing, stock, turbo, upgraded, valve, valves

Replacing Stock Turbo to K03s & Diverter Valve

TT_Tim on Dec 12, 2007

Dec 13, 2007 08:49 AM
by MoneyShifTT

7

3,203

TT (Mk1) Discussion

97, a4, gate, happen, k03, rod, signs, tight, tiight, turbowastegatetootightaudi, waste, wastegate

wastegate has to be too tight.

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audinutt on Nov 24, 2007

Nov 26, 2007 08:55 PM
by jprice@CPS

15

6,693

A4 (B5 Platform) Discussion