APR Stage 2 on k03

[Schwebe]

Hello everyone, I have been searching around a lot of threads and am very confused. I see other members talking about having APR stage 2 and 2+ on their stock k03s. I have also found YouTube videos of people having stage 2+ on stock turbo. I currently have stage 1+ with injectors, fmic, forge dv, full turbo back exhaust and intake. I want to go to stage 2+ to get the tune for my test pipe and fmic. I emailed APR and they told me they only do stage 2 with k04s.

Am I missing something here?

[thetikm]

I've always thought that a stage 2 or 2+ was the same as stage 1 or 1+, just with the check engine light written out.

[krew53]

For APR.. Stage 1 and 1+ are for K03

Stage 2 is K04

Some tuning companies like unitronic have a stage 2 for K03.. So depending on what software you are looking at it may be different.

[Schwebe]

Well maybe it's time for a bit bigger turbo then!

[diagnosticator]

I've always thought that a stage 2 or 2+ was the same as stage 1 or 1+, just with the check engine light written out.

That is illogical, since there is nothing to justify a higher stage designation number.

[texasboy21]

I've always thought that a stage 2 or 2+ was the same as stage 1 or 1+, just with the check engine light written out.

Their website used to reflect that, but now it only lists 1 and 1+.

The '+' used to designate larger injectors, with the cat cel written out on the stage 2.

[Charles.waite]

Their website used to reflect that, but now it only lists 1 and 1+.

The '+' used to designate larger injectors, with the cat cel written out on the stage 2.

That's how it always has been. Stage 2 was just coded for test pipes and exhaust. The fact that it's now a k04 tune is news to me...

[CyberPMG]

APR Stage 2 has always been the tune with the K04. I had it when it came out many years ago. It was designated as Stage 2. There was no plus (+) as you had to go to the TT225 injectors with the turbo anyway.

[texasboy21]

APR Stage 2 has always been the tune with the K04. I had it when it came out many years ago. It was designated as Stage 2. There was no plus (+) as you had to go to the TT225 injectors with the turbo anyway.

This isnt true. The k04 tune was always called "K04 tune". Stage 2 was their stock injector file with cat delete.

Older threads will back this up:

http://www.audizine.com/forum/showth...ge-1-to-2-1-8t

[Charles.waite]

This. I'm pretty sure I haven't been reading the apr site wrong for 4+ years.

Edit: since the internet doesn't forget:

https://www.goapr.com/products/ecu_upgrade_8ea418t.html

Stage two was a test pipe/HFC plus supporting mods tune. 2+ was that plus TT injectors.

Their b7 offerings are aligned the same way. Stage 3 for the b7 doesn't officially exist but used to be a gtrs but now all they offer is a k04 (very different than a b6 k04, it's a pretty big upgrade).

It sounds like APR is just revising/cutting back on offerings for older platforms. I don't blame them I can't imagine they sell many turbo upgrade kits for the b5/6/7 anymore.

[Schwebe]

That's why I was so confused when apr told me they only will do 1+ for me and that's it! I had read so many old threads that told a different story. That's okay though, I bought a 20 dollar k04 that needs rebuilt. Just need to find the best price to get it fixed! Any forum members do it?

[CyberPMG]

This isnt true. The k04 tune was always called "K04 tune". Stage 2 was their stock injector file with cat delete.

Older threads will back this up:

http://www.audizine.com/forum/showth...ge-1-to-2-1-8t

2013 is not old. I had APR's Stage 1+ tune done in 2005. First with a set of 550cc injectors that melted and caused backfires (Delphi brand), and then with the TT225 injectors. APR introduced the K04 tune in 2007 and called it Stage 2. I bought a new BW K04 and got one of APR's early Stage 2 programs. It was called Stage 2 back then. This was just with APR.

Back then you only had limited choices:
- Stage 1 (chip)
- Stage 1+ (chip + injectors)
- Stage 2 (K04 + injectors)
- Stage 3 (GTRS turbo + injectors + MAF + manifold + TIP)

That's all there was at that time.

Since then, people stared introducing stages and pluses around Test Pipes/HFC/Deletes. The original stages were built to work with or without the stock exhaust and cat. They would just make a cat delete just an option on a Stage, but never call it something different.

Now I believe other tuning companies never called the K04 a Stage 2 setup and this also has led to some of the confusion in stage meaning.

[Charles.waite]

Did you see my link? Not that I've been around as long as some of you, but ever since I got my b6 in 2011 apr has had stage 2 be a test pipe and FMIC version of their stage 1 k03 tune.

[texasboy21]

2013 is not old. I had APR's Stage 1+ tune done in 2005. First with a set of 550cc injectors that melted and caused backfires (Delphi brand), and then with the TT225 injectors. APR introduced the K04 tune in 2007 and called it Stage 2. I bought a new BW K04 and got one of APR's early Stage 2 programs. It was called Stage 2 back then. This was just with APR.

Back then you only had limited choices:
- Stage 1 (chip)
- Stage 1+ (chip + injectors)
- Stage 2 (K04 + injectors)
- Stage 3 (GTRS turbo + injectors + MAF + manifold + TIP)

That's all there was at that time.

Since then, people stared introducing stages and pluses around Test Pipes/HFC/Deletes. The original stages were built to work with or without the stock exhaust and cat. They would just make a cat delete just an option on a Stage, but never call it something different.

Now I believe other tuning companies never called the K04 a Stage 2 setup and this also has led to some of the confusion in stage meaning.

How about a post from 2010 and 2011? The + is used to designate the larger injectors. Stg2 was stock injectors with a testpipe file.

http://www.audizine.com/forum/showth...=1#post5060393

http://www.audizine.com/forum/showth...=1#post6142723

[CyberPMG]

Not going to get into an argument over stage labels.

To the OP: The only thing that they can tune is the cat delete for the K04 program (their website mentions the requirement of a high flow cat... the test pipe would be similar... and would code it out to not get any CEL). There's no software change for adding a FMIC or DSMIC.

https://www.goapr.com/products/turbo_b6a4_k04.html

The tuning that APR has for the K03 turbo (both basic chip and chip + injectors) assumes that the OEM cat is still in place with no option to code it out for a HFC or test pipe.

[Charles.waite]

Not going to get into an argument over stage labels.

To the OP: The only thing that they can tune is the cat delete for the K04 program (their website mentions the requirement of a high flow cat... the test pipe would be similar... and would code it out to not get any CEL). There's no software change for adding a FMIC or DSMIC.

https://www.goapr.com/products/turbo_b6a4_k04.html

The tuning that APR has for the K03 turbo (both basic chip and chip + injectors) assumes that the OEM cat is still in place with no option to code it out for a HFC or test pipe.

Haha nor is there any reason to. Let's just leave at: APR has changed their stage numbering scheme over the years. And it seems they've altered it again recently.

In any event it's sort of academic, because while I liked my apr tune and have no complaints about it, there are better, cheaper options out there now that I would suggest over apr. especially since they're obviously paring back what they're offering for the 1.8t recently.