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      05-03-2017, 09:42 PM   #1
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Active8 tune and catless DP

Anyone running the AA active 8 tune with a catless downpipe, either Wagner or ER? I'm considering going with one of these two and am curious how this combination works. How is the fitment and installation. Any codes after install?
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      05-04-2017, 06:27 AM   #2
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This is B58 only
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      05-04-2017, 07:04 AM   #3
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You will need s tune like JB4 because Active-8 will not clear the catless codes thrown.
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      05-04-2017, 07:29 AM   #4
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I'm running AA tune and Er catless down pipe. You would need to use a spark plug extender to get rid of the ses light. But the AA tune and Er is a fantastic combo!!!!!

The AA unit it self is a quality built piece. Bmw oem type wiring and connectors. Install is super easy and takes about 30min or so. It's a set is a forget it type of tune.
No way to log or make revisions like the Jb4, so there are major differences between both tunes. But both are limited by the fuel cap soooo....
I'm personally very happy I chose the AA over the jb4. But if your thinking of going with WMI in the future, jb4 is the way to go

So far I was able to run 12.0 @ 115, 11.8s coming soon...
No bad for a chunky awd sedan and a few bolt ons.....

Last edited by Roki187; 05-04-2017 at 02:28 PM..
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      05-04-2017, 09:13 AM   #5
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Quote:
Originally Posted by Roki187 View Post
I'm running AA tune and Er catless down pipe. You would need to use a spark plug extender to get rid of the ses light. But the AA tune and Er is a fantastic combo!!!!!

The AA unit it self is a quality built piece. Bmw oem type wiring and connectors. Install is super easy and takes about 30min or so. It's a set is a forget it type of tune.
No way to log or make revisions like the Jb4, so there are major differences between both tunes. But both are limited by the fuel cap soooo....
I'm personally very happy I chose the AA over the jb4.

So far I was able to run 12.0 @ 115, 11.8s coming soon...
No bad for a chunky awd sedan and a few bolt ons.....
Awesome times, What did you run with just the active tune?
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      05-04-2017, 09:38 AM   #6
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Quote:
Originally Posted by izzynyc View Post
Awesome times, What did you run with just the active tune?
Thanx dude, I never got a chance to run just the tune alone at the track.
These times are without using launch as I have a tire light on and the engine was being choked out at around 5k because of a rubber elbow inlet collapsing that I installed in addition to the bms intake. Now that those issues are fixed 11.8s should be no problem.
We shall find out soon enough

Last edited by Roki187; 05-04-2017 at 10:17 AM..
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      05-04-2017, 06:54 PM   #7
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Quote:
Originally Posted by Roki187 View Post
I'm running AA tune and Er catless down pipe. You would need to use a spark plug extender to get rid of the ses light. But the AA tune and Er is a fantastic combo!!!!!

The AA unit it self is a quality built piece. Bmw oem type wiring and connectors. Install is super easy and takes about 30min or so. It's a set is a forget it type of tune.
No way to log or make revisions like the Jb4, so there are major differences between both tunes. But both are limited by the fuel cap soooo....
I'm personally very happy I chose the AA over the jb4. But if your thinking of going with WMI in the future, jb4 is the way to go

So far I was able to run 12.0 @ 115, 11.8s coming soon...
No bad for a chunky awd sedan and a few bolt ons.....
I've had the AA tune for 2 years now. And the AA exhaust. I'm happy with both, but still undecided if I'm going with a downpipe. Sounds like they cause cel codes
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      05-04-2017, 07:36 PM   #8
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Quote:
Originally Posted by F30JetsFan View Post
I've had the AA tune for 2 years now. And the AA exhaust. I'm happy with both, but still undecided if I'm going with a downpipe. Sounds like they cause cel codes
Cmon dude. All catless downpipes will cause a check engine light. That's why you get a $6 oxygen sensor extender and add high temp copper anti seize and you're golden.

Or a jb4
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      05-04-2017, 08:55 PM   #9
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Quote:
Originally Posted by Roki187 View Post
That's why you get a $6 oxygen sensor extender and add high temp copper anti seize and you're golden.
What's that, is there a link of the one you have on your car?
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      05-04-2017, 10:33 PM   #10
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Originally Posted by mookie45 View Post
What's that, is there a link of the one you have on your car?
I picked one up from Amazon. I honestly don't remember which one it was.
I can take a pic of it tomorrow on the car.
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      05-10-2017, 04:59 PM   #11
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Quote:
Originally Posted by Roki187 View Post
Cmon dude. All catless downpipes will cause a check engine light. That's why you get a $6 oxygen sensor extender and add high temp copper anti seize and you're golden.

Or a jb4
Sorry to sound dumb but I don't know what these things are or where to install them on the car
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      05-10-2017, 06:14 PM   #12
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Quote:
Originally Posted by F30JetsFan View Post
Sorry to sound dumb but I don't know what these things are or where to install them on the car
Oh it's quite alright, no one knows everything. I apologize for coming off as an ahole.....

You can buy a jb4 which has the capability to delete the rear oxygen sensor fault or if you go with the AA tune you'll need a oxygen sensor extenender.
You would remove the rear oxygen sensor, apply high temp anti seize to threads, screw in the extender and screw in the sensor into the extender.
It works and works well. On all cars, doesn't matter the make. Some cars do require a longer extension or a elbow to make it work.
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      05-10-2017, 08:12 PM   #13
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Quote:
Originally Posted by Roki187 View Post
Oh it's quite alright, no one knows everything. I apologize for coming off as an ahole.....

You can buy a jb4 which has the capability to delete the rear oxygen sensor fault or if you go with the AA tune you'll need a oxygen sensor extenender.
You would remove the rear oxygen sensor, apply high temp anti seize to threads, screw in the extender and screw in the sensor into the extender.
It works and works well. On all cars, doesn't matter the make. Some cars do require a longer extension or a elbow to make it work.
Is this what u were referring to and where is the rear 02 sensor located

http://www.ebay.ca/itm/Lambda-Exhaus...VXO7Ni&vxp=mtr
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      05-10-2017, 08:43 PM   #14
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Try this

http://www.bigdaddiesgarage.com/mini-cat-cel-fix.html
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      05-10-2017, 08:52 PM   #15
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Quote:
Originally Posted by F30JetsFan View Post
Is this what u were referring to and where is the rear 02 sensor located

http://www.ebay.ca/itm/Lambda-Exhaus...VXO7Ni&vxp=mtr
That's one option although I would get something little longer and maybe better quality.

Your down pipe will have two threaded exhaust bongs.
One will be located upwards where the downpipe attaches to the turbo. That's the upstream sensor also known as the pre cat sensor. The other located a little lower is a downstream sensor also known as a post cat sensor.

The upstream sensor (pre cat) is a input sensor and it tells the dme how the engine is running. Based on that information (and others) the dme makes adjustments.
The downstream sensor (post cat) is only there to keep an eye on the catalytic converter, nothing else. It constantly evaluates its efficiency. If it falls below or above specified range, it will cause a fault and a check engine light.
So screwing in a extender when installing a catless downpipe into the post cat sensor fools the sensor into thinking the catalytic converter is still working as designed. Some cars require a longer/shorter extender or an elbow but it always works.
Using a quality piece along with high temp anti seize is key.

But again some tuners don't require doing this as they delete the fault.
Hope this helps, I have a pic but can't upload

Btw....Don't spend more than $8 on it
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      05-11-2017, 04:29 PM   #16
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Quote:
Originally Posted by F30JetsFan View Post
I've had the AA tune for 2 years now. And the AA exhaust. I'm happy with both, but still undecided if I'm going with a downpipe. Sounds like they cause cel codes
O2 spacers should suppress the CEL code
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      05-12-2017, 06:14 AM   #17
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Quote:
Originally Posted by Roki187 View Post
Oh it's quite alright, no one knows everything. I apologize for coming off as an ahole.....

You can buy a jb4 which has the capability to delete the rear oxygen sensor fault or if you go with the AA tune you'll need a oxygen sensor extenender.
You would remove the rear oxygen sensor, apply high temp anti seize to threads, screw in the extender and screw in the sensor into the extender.
It works and works well. On all cars, doesn't matter the make. Some cars do require a longer extension or a elbow to make it work.
18mm?
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      05-12-2017, 06:20 AM   #18
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Originally Posted by jalkster View Post
18mm?
Yup
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