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  1. #1
    Established Member Two Rings Sammiboy98's Avatar
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    Jul 31 2017
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    404035
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    Blair, NE

    APR ECMS Problems

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    I have a 2000 S4 with an APR ECMS and I canít figure some things out. The booklet states the following:
    Tune 1: 93 Octane
    Tune 2: Stock Tune
    Tune 3: 91 Octane
    Tune 4: 100 Octane

    I switched to Tune 3 and I received misfire once I got to 13-15psi or so. When I switched to tune 2, I saw no difference, possibly even worse? When I switched to Tune 1, I got stock boost pressures so I know that my chart is off. Is there a standard order that anyone knows of or do I need to take my car to a certified APR dealer and have them check it out?


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  2. #2
    Veteran Member Three Rings Corradovolksb's Avatar
    Join Date
    Aug 29 2013
    AZ Member #
    122066
    My Garage
    2018 VW Atlas
    Location
    Phoenix AZ

    Sounds like your coils are worn out or your spark plug gap is to large causing spark blow out when boost builds. As the question in the tune I canít help you on that one sorry


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  3. #3
    Senior Member Four Rings christianb5s4's Avatar
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    Aug 24 2014
    AZ Member #
    277489
    Location
    Newport Beach, CA
    Items for Sale

    It would be helpful to know more about the rest of your setup, i.e. is it on K04s aka stage 3? Stock coil packs and ICMs? What cylinders are giving misfire codes?
    Imola 2001 Stage 3 S4: 312K - 2.4sec FATs - Completely Refreshed/Built Motor - SRM K24s w/ Custom Turbosmart wastegates - Clutchmasters Stage 4 - Etspec - Cinesnow WG/Oil Lines - SRM V3 Intercoolers - AA built trans - 4:1 Diff - JHM Trio - 034 - H&R Coilovers - FCP - Bosch Motorsports - OZ Racing - SRM/SSAC exhaust - Tons of New OEM parts

  4. #4
    Established Member Two Rings Sammiboy98's Avatar
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    Jul 31 2017
    AZ Member #
    404035
    Location
    Blair, NE

    APR ECMS Problems

    One of my coil packs was cracked and another was loose and the boot was practically ruined. Does anyone have any experience with coil packs other than OEM? I know itís not the Audizine way to recommend a part that isnít Bosch or Genuine Audi, but has anyone used coils packs from ‹RO, Delphi, or Standard Motor Products coil packs? All are around the same price but they are significantly cheaper. Iíve seen good review of them but might as well ask the pros.


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    Last edited by Sammiboy98; 05-19-2018 at 03:39 PM.

  5. #5
    Senior Member Two Rings
    Join Date
    Mar 12 2015
    AZ Member #
    320058
    Location
    Maryland

    Delphi- Junk, Standard Motor Products- worse than junk, ‹RO-even further worse than junk

    But you already knew this was the response you'd get. Lol

    If I had to pick one it'd be delphi, but really the cheapest best option would be these https://www.europaparts.com/ignition...5105-beru.html

    You can check around and see where you can find the beru units the cheapest. FCP Euro, ECS Tuning, EEuroparts, ect.

  6. #6
    Veteran Member Three Rings Corradovolksb's Avatar
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    Aug 29 2013
    AZ Member #
    122066
    My Garage
    2018 VW Atlas
    Location
    Phoenix AZ

    APR ECMS Problems

    Thatís good you found the issue. Your best bet would be to swap to R8 coils and get rid of the icmís and stock coils
    You should message Tim AudiTechs4 on here you you can find him on Facebook Tim Nelson he sells the coil conversion kits with genuine Audi R8 coils.


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  7. #7
    Established Member Two Rings Sammiboy98's Avatar
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    Jul 31 2017
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    Blair, NE

    Quote Originally Posted by Corradovolksb View Post
    Thatís good you found the issue. Your best bet would be to swap to R8 coils and get rid of the icmís and stock coils
    You should message Tim AudiTechs4 on here you you can find him on Facebook Tim Nelson he sells the coil conversion kits with genuine Audi R8 coils.


    Sent from my iPhone using Tapatalk
    If I were to go this route, whatís the process? Is this a plug and play, bolt-in, kit or are there plug replacements and other modifications? Iím trying to look around and Iím hearing of different spark gaps, different claims of results, wiring diagrams, ICM deletes and much more.


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  8. #8
    Veteran Member Three Rings Corradovolksb's Avatar
    Join Date
    Aug 29 2013
    AZ Member #
    122066
    My Garage
    2018 VW Atlas
    Location
    Phoenix AZ

    Quote Originally Posted by Sammiboy98 View Post
    If I were to go this route, whatís the process? Is this a plug and play, bolt-in, kit or are there plug replacements and other modifications? Iím trying to look around and Iím hearing of different spark gaps, different claims of results, wiring diagrams, ICM deletes and much more.


    Sent from my iPhone using Audizine
    The kit comes with 2 icm deletes that are plug and play. 6 coil conversion harnesses from stock to the fsi coil connectors that are plug and play and the R8 coils. You can also get the v8 Touareg adapter plates with the kit that hold the coils in place or you can go with the plates from Ecs. There is a huge debate on plug gap and plug type but I have been recommending ngk bkr7eix plugs at .028 gap to all of my customers and so far they are working great.


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  9. #9
    Established Member Two Rings mp3driver's Avatar
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    Jul 31 2009
    AZ Member #
    45771
    Location
    Tulsa / Oklahoma

    Quote Originally Posted by Sammiboy98 View Post
    I have a 2000 S4 with an APR ECMS and I canít figure some things out. The booklet states the following:
    Tune 1: 93 Octane
    Tune 2: Stock Tune
    Tune 3: 91 Octane
    Tune 4: 100 Octane

    I switched to Tune 3 and I received misfire once I got to 13-15psi or so. When I switched to tune 2, I saw no difference, possibly even worse? When I switched to Tune 1, I got stock boost pressures so I know that my chart is off. Is there a standard order that anyone knows of or do I need to take my car to a certified APR dealer and have them check it out?


    Sent from my iPhone using Audizine
    Your turns are numbered differently than mine for sure.

    IMG_0596.jpg


    Sent from my iPhone using Audizine
    2001.5 S4
    6MT Swapped
    Still my Favorite Car!

  10. #10
    Veteran Member Four Rings FlyboyS4's Avatar
    Join Date
    Jan 06 2007
    AZ Member #
    14660
    My Garage
    2001 S4, 2004 MSM MX-5
    Location
    FL

    Quote Originally Posted by Sammiboy98 View Post
    If I were to go this route, whatís the process? Is this a plug and play, bolt-in, kit or are there plug replacements and other modifications? Iím trying to look around and Iím hearing of different spark gaps, different claims of results, wiring diagrams, ICM deletes and much more.
    I'd go with Beru as the cheaper alternative.
    Stock -> APR Stg1/2 -> GIAC Stg2 -> K04 -> 605 -> F4H -> K03 -> K04 -> F21MF -> TTE550 -> K04 -> TC Stg1 -> BW RS6 & TiAL 605 & FT F21v3 (On deck)
    MyAudiS4.com

  11. #11
    Established Member Two Rings Sammiboy98's Avatar
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    Jul 31 2017
    AZ Member #
    404035
    Location
    Blair, NE

    Quote Originally Posted by FlyboyS4 View Post
    I'd go with Beru as the cheaper alternative.
    It could easily be worth the extra >$80 to get a part that will definitely fix all issues and potentially give me better performance and/or reliability. +Red is cool.


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  12. #12
    Veteran Member Four Rings FlyboyS4's Avatar
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    Jan 06 2007
    AZ Member #
    14660
    My Garage
    2001 S4, 2004 MSM MX-5
    Location
    FL

    Quote Originally Posted by Sammiboy98 View Post
    It could easily be worth the extra >$80 to get a part that will definitely fix all issues and potentially give me better performance and/or reliability. +Red is cool.
    What brand are you thinking is going to potentially give you better performance and reliability than the Beru coilpacks?
    Stock -> APR Stg1/2 -> GIAC Stg2 -> K04 -> 605 -> F4H -> K03 -> K04 -> F21MF -> TTE550 -> K04 -> TC Stg1 -> BW RS6 & TiAL 605 & FT F21v3 (On deck)
    MyAudiS4.com

  13. #13
    Established Member Two Rings Sammiboy98's Avatar
    Join Date
    Jul 31 2017
    AZ Member #
    404035
    Location
    Blair, NE

    Quote Originally Posted by FlyboyS4 View Post
    What brand are you thinking is going to potentially give you better performance and reliability than the Beru coilpacks?
    I messaged the contact listed above and he states he send genuine R8 coil packs.


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  14. #14
    Veteran Member Four Rings FlyboyS4's Avatar
    Join Date
    Jan 06 2007
    AZ Member #
    14660
    My Garage
    2001 S4, 2004 MSM MX-5
    Location
    FL

    Quote Originally Posted by Sammiboy98 View Post
    I messaged the contact listed above and he states he send genuine R8 coil packs.
    Since you like the color change it seems like a good choice for you. Any thoughts of improved performance or better longevity is likely only wishful thinking, it seems like more of a lateral move than an improvement, but nothing wrong with change to try something else.
    Stock -> APR Stg1/2 -> GIAC Stg2 -> K04 -> 605 -> F4H -> K03 -> K04 -> F21MF -> TTE550 -> K04 -> TC Stg1 -> BW RS6 & TiAL 605 & FT F21v3 (On deck)
    MyAudiS4.com

  15. #15
    Established Member Two Rings Sammiboy98's Avatar
    Join Date
    Jul 31 2017
    AZ Member #
    404035
    Location
    Blair, NE

    Quote Originally Posted by FlyboyS4 View Post
    Since you like the color change it seems like a good choice for you. Any thoughts of improved performance or better longevity is likely only wishful thinking, it seems like more of a lateral move than an improvement, but nothing wrong with change to try something else.
    Would it offer any more reliability considering the ICM delete? Also, in the future, I wanted to delete the stock air box and put filters on both turbos, by deleting the ICMs with the kit, that would help that process I think.


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