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  1. #1
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    what turbo on the new s3?

    hi guys just a quick question, what turbo does the new s3 use, thanks, daz

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  3. #2
    aiculedtzu's Avatar
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    Borg Warner K04
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  4. #3
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    Didn't they use the K04 in the 8L S3 after 2000-2001 (when the revision kicked in)...
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  5. #4
    Boydie
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    was itnot a ko3s in the older s3's?

  6. #5
    aiculedtzu's Avatar
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    Yes, they used K04 on the 8L S3 too.
    But on the 8P S3 it's a twin scroll K04 and I don't know if it's exactly the same as the K04 on the 8L.
    Audi S3 2.0 TFSI quattro - Turbo-Back exhaust - Cold Air Intake - Uprated Fuel Pump - Upgraded Clutch - Upgraded Intercooler - Stage2+ Software

  7. #6
    JamS3's Avatar
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    Quote Originally Posted by Boydie
    was itnot a ko3s in the older s3's?
    Think that was only used on the later 1.8T models mate the 150bhp or 180bhp models.
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  8. #7
    JamS3's Avatar
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    Quote Originally Posted by aiculedtzu
    Yes, they used K04 on the 8L S3 too.
    But on the 8P S3 it's a twin scroll K04 and I don't know if it's exactly the same as the K04 on the 8L.
    All the press releases and reviews state it is a completely different turbo on the new S3 compared to the old.

    This is off a review:

    "The new turbocharger has a larger turbine and compression rotor than the basic unit. Its cast steel casing produced as a single piece including the manifold withstands exhaust gas temperatures of up to 1,050 degrees. The turbocharger generates a boost pressure of 1.2 bar instead of 0.9 bar on the starting version".


    So its even very different over a 2.0TFSI
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  9. #8
    aiculedtzu's Avatar
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    I'm 100% sure that the 8L S3 has K04 turbo. Try to ask this question on the 8L forum section ( i know because i did :-) )

    Although i'm not sure if they are exactly the same because the K04 on the 8P is a twin scroll turbo.





    P.S. The 200 HP 2.0 TFSI has a K03 turbo that generates 0.9 bar of boost pressure.
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  10. #9
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    basicallythe k03 was used in 150bhp A3/A4, 163bhp 190bhp, TT180bhp, the K04 was used in the old S3, cupa R , and TT225, the KO4 on the new S3 is the same as the old S3 but better and internals basically to move more air and quicker.

  11. #10
    JamS3's Avatar
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    The 8L does have a KO4 turbo, as I had 2 of them!

    I understood from my post above the 2.0TFSI also has a KO4 turbo but the S3 turbo is a revised version of this?
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  12. #11
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    i have said the the old S3 has the KO4, the 2.0tfsi gti engine has the KO3, the edition 30, edition pirelli has the KO4.

  13. #12
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    I know you did but look at the times on the top left of the posts, I was typing my reply to aiculedtzu as you did yours and we posted at the same time!
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  14. #13
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    my mistake sorry".

  15. #14
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    Im pretty sure that the 2.0TFSI has a new version of the K03, not sure which one though. The S3 is running a new version of the K04. I had a old pdf somewhere for the 2.0TFSI engine which showed the turbo(can't find it now though).
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