Catless DP options?

G30 B58 · 10-14-2014, 02:57 PM

So a catless DP will throw a CEL, right?

Has anyone tried a spacer so the O2 sensor can still "sniff" some of the exhaust? Is the BMW system too hard to fool?

Has anyone made a high flow DP that retains the catalytic converter?

I'm new to German cars, be gentle.

Krelle · 10-14-2014, 03:45 PM

Quote:

Originally Posted by F32 N55

So a catless DP will throw a CEL, right?

Has anyone tried a spacer so the O2 sensor can still "sniff" some of the exhaust? Is the BMW system too hard to fool?

Has anyone made a high flow DP that retains the catalytic converter?

I'm new to German cars, be gentle.

No. but please let the forum know the result when you have tried.

Online you can buy a CEL-FIX for 20$.

BMS(UK) and german Wagner makes hi flow cats which shouldn't through a cel.
/Krelle

4GET_AMG · 10-14-2014, 04:10 PM

Quote:

Originally Posted by Krelle

No. but please let the forum know the result when you have tried.

Online you can buy a CEL-FIX for 20$.

BMS(UK) and german Wagner makes hi flow cats which shouldn't through a cel.
/Krelle

so if you buy the ER Dp and the CEL fix it won't throw a CEL

Krelle · 10-14-2014, 04:31 PM

Quote:

Originally Posted by 4GET_AMG

so if you buy the ER Dp and the CEL fix it won't throw a CEL

Among others Magnum tuning, some russian company and SuperSprint has it.
I just pass the info I know off.
But if you try, what other than a faster spool would it bring if you don't have the proper tune....?
/Krelle

mike@x-ph.com · 10-16-2014, 12:42 PM

Quote:

Originally Posted by F32 N55

So a catless DP will throw a CEL, right?

Has anyone tried a spacer so the O2 sensor can still "sniff" some of the exhaust? Is the BMW system too hard to fool?

Has anyone made a high flow DP that retains the catalytic converter?

I'm new to German cars, be gentle.

To get the most out of catless DP you need the car tuned.
If the car is tuned it will take care of the engine light.
So i recommend just getting a JB4+Catless DP (Evolution Racewerks are the most popular) and you are good

G30 B58 · 10-16-2014, 03:41 PM

If you get a CEL for a different reason will it be "masked" by the JB4 or will the CEL still be illuminated?

Krelle · 10-16-2014, 11:29 PM

Quote:

Originally Posted by F32 N55

If you get a CEL for a different reason will it be "masked" by the JB4 or will the CEL still be illuminated?

Still illuminated. Otherwise the tune would be worthless..

Dosturbos · 10-17-2014, 12:15 PM

Has anyone made a Catless DP for XI yet?

Jera_Jakerz · 10-17-2014, 12:38 PM

Quote:

Originally Posted by Dosturbos

Has anyone made a Catless DP for XI yet?

Xi as in xdrive? If so yes I am currently running ER.

Lorcan · 10-17-2014, 01:48 PM

Quote:

Originally Posted by F32 N55

Has anyone made a high flow DP that retains the catalytic converter?

You mean like this? http://shop.ac-schnitzer.co.uk/sport...f31-4818-p.asp

obriennathaniel · 10-17-2014, 02:20 PM

Quote:

Originally Posted by Krelle

Still illuminated. Otherwise the tune would be worthless..

wait huh? I dont have a CEL illuminated on my dash...i was under the assumption that it wouldnt even show up.

Krelle · 10-17-2014, 02:33 PM

Quote:

Originally Posted by Lorcan

You mean like this? http://shop.ac-schnitzer.co.uk/sport...f31-4818-p.asp

Yes, exactly..
But hello. When you increase the picture of this and the WAGNER cat you see they are identical.

Price Wagner: 825 $ versus AC Schitzer's 1270 $.........

Any comment?
/Krelle

Krelle · 10-17-2014, 02:35 PM

Quote:

Originally Posted by obriennathaniel

wait huh? I dont have a CEL illuminated on my dash...i was under the assumption that it wouldnt even show up.

Any other fault would be indicated but the cat one, right!?
-Drivetrain, overheating etc.
/Krelle

Lorcan · 10-17-2014, 02:53 PM

Quote:

Originally Posted by Krelle

Yes, exactly..
But hello. When you increase the picture of this and the WAGNER cat you see they are identical.

Price Wagner: 825 $ versus AC Schitzer's 1270 $.........

Any comment?
/Krelle

Sure. Firstly, do Wagner offer a complete tuning programme like AC Schnitzer? Engine tuning, wheels, suspension, exhaust, everything? And secondly, do they offer a 2 year warranty that includes related components as AC Schnitzer do? Our tuning programme gives a complete warranted solution, not just individual parts.

Krelle · 10-17-2014, 03:23 PM

Quote:

Originally Posted by Lorcan

Sure. Firstly, do Wagner offer a complete tuning programme like AC Schnitzer? Engine tuning, wheels, suspension, exhaust, everything? And secondly, do they offer a 2 year warranty that includes related components as AC Schnitzer do? Our tuning programme gives a complete warranted solution, not just individual parts.

1. OP's question was:
Has anyone made a high flow DP that retains the catalytic converter?

I gave the guy an oppurtunity to save 50% on the same tuning item.

2. Who needs warranty at that price? ACS parts are not what they were years back. Just my opinion.
But nice AC Schnitzer promotion

/Krelle

Mattshokri3 · 10-26-2014, 01:43 PM

Hey guys, so I want to get some downpipes and get the jb4 also. When I take my car to service, I would to uninstall the jb4. Since i will take the jb4 out, won't the downpipes throw a CEL code? would you guys suggest i get install both the downpipe fix and the jb4 or what? thanks in advance!

Krelle · 10-26-2014, 03:44 PM

Quote:

Originally Posted by Mattshokri3

Hey guys, so I want to get some downpipes and get the jb4 also. When I take my car to service, I would to uninstall the jb4. Since i will take the jb4 out, won't the downpipes throw a CEL code? would you guys suggest i get install both the downpipe fix and the jb4 or what? thanks in advance!

If you don't they'll know you have the tune anyway. They are not stupid.
I wouldn't take any of it off. Not for a service call. Emission test, yes as it's kind of mandatory to pass...
/Krelle

Mattshokri3 · 10-27-2014, 08:54 PM

Quote:

Originally Posted by Krelle

If you don't they'll know you have the tune anyway. They are not stupid.
I wouldn't take any of it off. Not for a service call. Emission test, yes as it's kind of mandatory to pass...
/Krelle

lets say I had to take the jb4 off for service, do you think its a good idea to install the downpipe fix as well so for service the CEL light wont be on?

Krelle · 10-29-2014, 09:42 AM

If the cell fix is installed they might not go looking for the JB splicing IF they believe this downpipe is all you got.
Are the JB connected via visible splicing they'll know even if it's not mounted..
Still I would play fair and leave the JB on.
/Krelle

G30 B58 · 05-02-2015, 10:18 PM

Shifteck Catless DP ordered.

tr_ms3 · 05-03-2015, 12:44 PM

That's a good decision. I had one before I traded in for an f82. Everyone is charging crazy BMW tax, but Shifteck is selling a high quality part for like 1/2 the price.

G30 B58 · 05-03-2015, 03:23 PM

Quote:

Originally Posted by tr_ms3

That's a good decision. I had one before I traded in for an f82. Everyone is charging crazy BMW tax, but Shifteck is selling a high quality part for like 1/2 the price.

Thanks for the confirmation. I can't wait to see how it affects exhaust note.

Nice upgrade for you.

10-14-2014, 02:57 PM	#1
G30 B58 Pace Car Driver 1557 Rep 3,166 Posts Drives: '22 AW G30 B58 M-Sport Join Date: May 2014 Location: my garage in PA iTrader: (0)	Catless DP options? So a catless DP will throw a CEL, right? Has anyone tried a spacer so the O2 sensor can still "sniff" some of the exhaust? Is the BMW system too hard to fool? Has anyone made a high flow DP that retains the catalytic converter? I'm new to German cars, be gentle.
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10-16-2014, 03:41 PM	#6
G30 B58 Pace Car Driver 1557 Rep 3,166 Posts Drives: '22 AW G30 B58 M-Sport Join Date: May 2014 Location: my garage in PA iTrader: (0)	If you get a CEL for a different reason will it be "masked" by the JB4 or will the CEL still be illuminated?
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10-17-2014, 12:15 PM	#8
Dosturbos Lieutenant 56 Rep 467 Posts Drives: 2017 F48 X1 MSport Join Date: Mar 2012 Location: Medford, MA iTrader: (1)	Has anyone made a Catless DP for XI yet?
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10-26-2014, 01:43 PM	#16
Mattshokri3 Lieutenant 112 Rep 502 Posts Drives: 2020 X3M Join Date: Aug 2014 Location: Los Angeles iTrader: (0)	Hey guys, so I want to get some downpipes and get the jb4 also. When I take my car to service, I would to uninstall the jb4. Since i will take the jb4 out, won't the downpipes throw a CEL code? would you guys suggest i get install both the downpipe fix and the jb4 or what? thanks in advance!
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10-29-2014, 09:42 AM	#19
Krelle Captain 90 Rep 648 Posts Drives: M2C Join Date: Jun 2013 Location: Denmark iTrader: (0)	If the cell fix is installed they might not go looking for the JB splicing IF they believe this downpipe is all you got. Are the JB connected via visible splicing they'll know even if it's not mounted.. Still I would play fair and leave the JB on. /Krelle __________________ Ist der Motor kalt, Gib ihn sechs ein halb.....
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05-02-2015, 10:18 PM	#20
G30 B58 Pace Car Driver 1557 Rep 3,166 Posts Drives: '22 AW G30 B58 M-Sport Join Date: May 2014 Location: my garage in PA iTrader: (0)	Shifteck Catless DP ordered.
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05-03-2015, 12:44 PM	#21
tr_ms3 Private 6 Rep 78 Posts Drives: F82 M4 Join Date: Apr 2013 Location: Las Vegas iTrader: (2)	That's a good decision. I had one before I traded in for an f82. Everyone is charging crazy BMW tax, but Shifteck is selling a high quality part for like 1/2 the price.
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