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  1. #1
    Established Member Two Rings
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    Any thorough reviews of APR stage 1 for b9 a4?

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    Coming from a 2016 a4 (e85 compatible) with the apr stage 1, I upgraded to the 2017 a4 last month. What can I say, I was willing to give up a little power that nougat brown and tech package. Anyways I loved the tune in my b8.5 but can't seem to find a decent review nor a single video of any allroads/a4 with stage 1. Anybody got a solid review?

  2. #2
    Senior Member Four Rings Jimmy ny's Avatar
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    Sep 13 2014
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    New York

    I had it in my tts. It's a solid upgrade. You will fell the difference definitely. Power delivery is more noticeable at mid to top end. Did lose a little mpg though. Not a lot but some in city driving. I would do it if I were you. Just go back to your installer and flash to stock before you go to the dealer.


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    2016 TTS. Mythos Black w/ Nappa Red interior. APR 1, AFE Intake

  3. #3
    Established Member Three Rings VipinLJ's Avatar
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    Nov 23 2016
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    Illinois

    Yup. There's no review out even thought here are a lot of people running an apr stage 1 tune!!! I remember asking one person who had the tune and he said he loved it and that car was very fast compared to stock. Elite Motorsport timed an apr stage1 B9 A4 and got a 0-60 time of 4.4s using vbox!!!!
    2017 Audi A7 Prestige - Glacier white/Black/Achat gray birch, Driver Assistance pack, Sport pack, 20" Black Optic pack, Cold weather pack

    2017 Audi A4 Premium Plus - Moonlight blue/Nougat brown/gray oak, Tech pack, Cold weather pack

    2016 BMW X3 xDrive28i

    2013 Audi A6 Prestige - Oolong Gray/Gray/Aluminium, DAP, 20" Sport pack, Cold weather pack, Warm weather pack --- SOLD

  4. #4
    Stage 2 Banner Advertiser Four Rings Mike@PureMS's Avatar
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    Jul 19 2007
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    19663
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    San Diego, CA

    Have had mine since day one. Runs great, pulls strong, typical APR. Anything particular you want to know about it?

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  5. #5
    Established Member Two Rings
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    That's what I like to hear. Thanks fellas! Mike, nothing particularly i just wanted to see if the low end torque has the wow factor like the b8.5 w/ e85. If it's business as usual with with APR then I think I'm in good hands

  6. #6
    Established Member Two Rings
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    Aug 09 2016
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    New York

    Had it since it was first released. Like Mike said, typical APR product, runs great and pulls strong. I have some 30mph pulls and up to 140mph run on my IG. I probably run a better time than Elite since I have exhaust and intake vs just a tune, who knows, I don't have any product to do actual testing.

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  7. #7
    Stage 2 Banner Advertiser Four Rings Kai@EliteMS's Avatar
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    Mar 22 2011
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    Farmingdale NY - Long Island

    Quote Originally Posted by VipinLJ View Post
    Yup. There's no review out even thought here are a lot of people running an apr stage 1 tune!!! I remember asking one person who had the tune and he said he loved it and that car was very fast compared to stock. Elite Motorsport timed an apr stage1 B9 A4 and got a 0-60 time of 4.4s using vbox!!!!
    Quote Originally Posted by Audi / Rings View Post
    Had it since it was first released. Like Mike said, typical APR product, runs great and pulls strong. I have some 30mph pulls and up to 140mph run on my IG. I probably run a better time than Elite since I have exhaust and intake vs just a tune, who knows, I don't have any product to do actual testing.

    Sent from my SM-G955U using Tapatalk
    Definitely do it, Vbox run did generate 4.4 0-60MPH on our car also 13.1 @ 106

    12's are definitely obtainable.

    The gains are very nice.
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  8. #8
    Established Member Two Rings
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    Nov 21 2016
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    St. Paul/Minnesota

    from ESC website about B9 APR stage1 "At this time the 2.0T ECU upgrades can only be performed with the car at ECS Tuning location in Ohio". Ahhh Im not driving to Ohio to have to flash it back to stock every time I need to bring to the dealer, then back to flash the tune again. 4yrs/50k miles is going to be a long wait.
    2017 Audi A4 Premium Plus - Mythos Black - Tech & Cold weather pack - H&R sport springs - 50% 3M tint

  9. #9
    Established Member Three Rings VipinLJ's Avatar
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    Nov 23 2016
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    386438
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    Illinois

    Quote Originally Posted by Audi / Rings View Post
    Had it since it was first released. Like Mike said, typical APR product, runs great and pulls strong. I have some 30mph pulls and up to 140mph run on my IG. I probably run a better time than Elite since I have exhaust and intake vs just a tune, who knows, I don't have any product to do actual testing.

    Sent from my SM-G955U using Tapatalk
    Instagram ID please? You can PM me if you don't want it to be public.
    2017 Audi A7 Prestige - Glacier white/Black/Achat gray birch, Driver Assistance pack, Sport pack, 20" Black Optic pack, Cold weather pack

    2017 Audi A4 Premium Plus - Moonlight blue/Nougat brown/gray oak, Tech pack, Cold weather pack

    2016 BMW X3 xDrive28i

    2013 Audi A6 Prestige - Oolong Gray/Gray/Aluminium, DAP, 20" Sport pack, Cold weather pack, Warm weather pack --- SOLD

  10. #10
    Established Member Two Rings
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    Aug 09 2016
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    New York

    Quote Originally Posted by VipinLJ View Post
    Instagram ID please? You can PM me if you don't want it to be public.
    doria_jm

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  11. #11
    Senior Member Three Rings
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    Jun 29 2007
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    19155
    Location
    Texas

    Bringing and old topic back to life but the numbers for B9 93 Stage 1 is identical to an E85 tuned B8.5

  12. #12
    Registered Member One Ring
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    May 04 2018
    AZ Member #
    418171
    Location
    New Jersey

    Apr plus a4

    I dynod that car and tracked it last week in my B9 Apr plus sedan.

    Ran 13.072 @ 105.38 (only did one lass as track closed early)

    Mustang dyno results - 375 wheel tq and 292 whp

    Dying to see Apr plus for the S4!

  13. #13
    Registered Member One Ring Mr. Irrelevant's Avatar
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    I have a Ď18 A4 with Luft-Technik intake and had ECU flashed two days ago with APR stage 1. Anyone else with this tune getting compressor surge under boost?

  14. #14
    Active Member Two Rings Four rings fan's Avatar
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    Sep 10 2016
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    380620
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    Florida

    I've been APR tuned for 18 months. No compressor surge ever. I have the stock intake.
    2017 B9 A4 PREMIUM+ QUATTRO | IBIS WHITE/BLACK/GREY OAK | NAV PKG | SPORT PKG | 19" WHEEL PKG | APR TUNED | S4 PEDAL SET | HARTMANN 19" RS6 REPS | MICHELIN PS4S | 034 MOTORSPORT STRUT BRACE |

  15. #15
    Registered Member One Ring Mr. Irrelevant's Avatar
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    Quote Originally Posted by Four rings fan View Post
    I've been APR tuned for 18 months. No compressor surge ever. I have the stock intake.
    After having the tune a few weeks now Iíve found the following. Compressor surge is audible in two scenarios. 1. Under boost in between ~2500-3k rpms with ~50% throttle. Once you get the revs beyond this range the surge goes away due to engine demand. 2. When you let off the throttle at lower rpms you hear the bypass valve then slight compressor surge. The second scenario is pretty cool IMO, gives the car some character. Iím not sure if this will be the case with any open air intake or just my particular selection. When I called APR to make sure it was normal they said the tune does ride the surge line pretty close but shouldnít be an issue. All in all the tune is great and easily puts my A4 at the level my B8.5 S4 was, stock. Iím seeing 0-60 in the low 4s and launch control is far more brutal given the 111ft/lb increase in torque.

  16. #16
    Active Member One Ring sbell008's Avatar
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    Quote Originally Posted by Mr. Irrelevant View Post
    I have a Ď18 A4 with Luft-Technik intake and had ECU flashed two days ago with APR stage 1. Anyone else with this tune getting compressor surge under boost?
    When you're talking about "compressor surge under boost", what exactly do you mean here? As in, when you quickly let off the throttle after pinning it to redline, it will flutter then, or are you saying you're hearing vibration under boost pressure?

    If it's the latter, that's a bigger sign of a vacuum/boost leak, or being overboosted for the factory wastegate. If not, I'd assume you could get a recirculating BOV/Diverter to solve the problem, and for bigger boost applications if you choose to later. I'm also interested in getting the Stage 1 done, and am definitely following this thread now.

    *Edit: Just read through your last post -- the typical "chatter" at the really low RPM's makes plenty of sense. The turbo is not being asked to come onto boost very much, and this is actually always happening at some level on any turbo'd vehicle in the low range, modified or not. However, I'd suggest really launching it from a slow speed to make sure you're not still getting that sound consistently at 2.5-3k (25%, 50%, 75%, 100%). If so, it might be time to look into an upgraded Diverter.

  17. #17
    Registered Member One Ring Mr. Irrelevant's Avatar
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    Quote Originally Posted by sbell008 View Post
    When you're talking about "compressor surge under boost", what exactly do you mean here? As in, when you quickly let off the throttle after pinning it to redline, it will flutter then, or are you saying you're hearing vibration under boost pressure?

    If it's the latter, that's a bigger sign of a vacuum/boost leak, or being overboosted for the factory wastegate. If not, I'd assume you could get a recirculating BOV/Diverter to solve the problem, and for bigger boost applications if you choose to later. I'm also interested in getting the Stage 1 done, and am definitely following this thread now.

    *Edit: Just read through your last post -- the typical "chatter" at the really low RPM's makes plenty of sense. The turbo is not being asked to come onto boost very much, and this is actually always happening at some level on any turbo'd vehicle in the low range, modified or not. However, I'd suggest really launching it from a slow speed to make sure you're not still getting that sound consistently at 2.5-3k (25%, 50%, 75%, 100%). If so, it might be time to look into an upgraded Diverter.
    I looked into a new diverter/open air BOV when I read somewhere, during my initial research about compressor surge, that the factory diverter is prone to leaks. Then I read that later model EA888 with IS20 turbo, has the new redesigned diverter valve that is much more robust. I will try to get a link to some video of my car under boost at light load to give everyone a better understanding of what Iím experiencing. Since youíre interested in the tune Iíll also throw in a link to a launch control pull to 90mph.


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  18. #18
    Active Member One Ring sbell008's Avatar
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    Quote Originally Posted by Mr. Irrelevant View Post
    I looked into a new diverter/open air BOV when I read somewhere, during my initial research about compressor surge, that the factory diverter is prone to leaks. Then I read that later model EA888 with IS20 turbo, has the new redesigned diverter valve that is much more robust. I will try to get a link to some video of my car under boost at light load to give everyone a better understanding of what Iím experiencing. Since youíre interested in the tune Iíll also throw in a link to a launch control pull to 90mph.


    Sent from my iPhone using Audizine
    That sounds good, I appreciate it man!

    As for the surge, I'm also interested to hear the mid-range rpm pulls as well to see what it's like. Do you have any AFR or boost pressure diagnostics available to you? Might be a less popular opinion, but you could potentially ask your installer if it's possible to tweak your tune to run slightly less pressure through the RPM range you're experiencing any wastegate chatter in. I know, I know, less power is never fun, but safe, reliable power for a long time is.

  19. #19
    Registered Member One Ring Mr. Irrelevant's Avatar
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    Any thorough reviews of APR stage 1 for b9 a4?

    Quote Originally Posted by sbell008 View Post
    That sounds good, I appreciate it man!

    As for the surge, I'm also interested to hear the mid-range rpm pulls as well to see what it's like. Do you have any AFR or boost pressure diagnostics available to you? Might be a less popular opinion, but you could potentially ask your installer if it's possible to tweak your tune to run slightly less pressure through the RPM range you're experiencing any wastegate chatter in. I know, I know, less power is never fun, but safe, reliable power for a long time is.
    As promised here are three video links I uploaded to YouTube. Let me know what you think.

    https://youtu.be/IHkhyCpmPuE

    https://youtu.be/p-_AyNP1xf4

    https://youtu.be/p5U2s8tYcME





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  20. #20
    Registered Member One Ring Mr. Irrelevant's Avatar
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    Any thorough reviews of APR stage 1 for b9 a4?

    When adding the links to the videos it simply saves the videos to the page instead of taking you to YouTube. If you search ďB9 A4 APR Stage 1Ē in youtube, youíll find the three videos and in the description it gives a breakdown of what each video contains.


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  21. #21
    Active Member One Ring sbell008's Avatar
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    Links worked fine for me. But WOW does that make a difference! That's a quick A4 you have there Mr. Irrelevant!

    Truth be told though, after hearing the fluttering under the 2.5-3k load, you might be best off having your tuner turn the boost pressure down some. From what I've read, it's common for these turbos to run out of steam right around the 22psi mark (let the internet trolls begin the hate now), so I'd venture to guess you're making just enough over that to create that back pressure under load. Unless you plan to swap out the turbo soon, I don't know how long I'd run it as is. It's not going to kill it tomorrow or anything, but it's not doing you any favors in terms of longevity.

  22. #22
    Registered Member One Ring Mr. Irrelevant's Avatar
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    Any thorough reviews of APR stage 1 for b9 a4?

    Thanks man! Car is so much more fun to drive now. Sending it in for springs next week, which should round out the look nicely.

    Iím with you on the turbo. The IS20 turbo upgrade would be to an IS38. Right now there isnít an IS38 that attaches to the longitudinal 2.0. If I upgrade Iíll have to either wait for IHI to make one or for someone to mill out an IS20 housing to fit the IS38 wheel. God that was technical. When the car is in for springs Iíll have a chat with H&S Tuning to see if they can tweak the tune.



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  23. #23
    Active Member One Ring sbell008's Avatar
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    Quote Originally Posted by Mr. Irrelevant View Post
    Thanks man! Car is so much more fun to drive now. Sending it in for springs next week, which should round out the look nicely.

    Iím with you on the turbo. The IS20 turbo upgrade would be to an IS38. Right now there isnít an IS38 that attaches to the longitudinal 2.0. If I upgrade Iíll have to either wait for IHI to make one or for someone to mill out an IS20 housing to fit the IS38 wheel. God that was technical. When the car is in for springs Iíll have a chat with H&S Tuning to see if they can tweak the tune.



    Sent from my iPhone using Audizine
    Man, I'm jealous. I want to do springs bad, but with the AutoX class I run & the potholes in Minneapolis, it makes it just a pipe dream for me. As for the larger turbo, it won't be long now until Honeywell/Garrett and the like start putting out their aftermarket stuff for this platform. But yeah, I'm sure they might look at you funny, but screwing out a little bit of boost pressure is much easier than trying to add in more power.



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