2012 Bmw 335i ~ Catless Downpipe Causing Cel? 3 5" N55 Pwg F10 535i 640i Rvg Performance

Author Dalbo 23 Aug 2026

Next up on the list is getting a fmic and a catless downpipe Bookmarks twitter facebook digg google stumbleupon del.icio.us my yahoo! I understand that i'll be putting my cpo warranty at risk and i'm aware of that

VRSF Brushed 3.5" Catless N55 Downpipe Upgrade for 2012 - 2018 BMW

2012 Bmw 335i ~ Catless Downpipe Causing Cel? 3 5" N55 Pwg F10 535i 640i Rvg Performance

What would help me avoid having to constantly. > catless downpipe cel delete. Has been known for quite a while now, jb4 will no longer suppress cel in u.s (believe there's a hack out there now tho).however, all flash tunes do

All the info you need to know is located.

First, i think the easiest and cheapest way to solve it is o2 sensor spacer It is easy to install and cheap However, we seems don't have enough space on dp area, and our ecu is very. If you are using mhd then you shouldn't have to worry about the cel since mhd essentially ignores the code for the inefficient cats

If you are not tuning the car then there is no real. The installation of catless downpipes will result in an inevitable check engine light (cel) as the dme will detect that emissions are not being burnt up by the oem catalyst. I have a 2012 f30 335i, and my car has been running perfect but today i started it and this just popped up I am currently running an intercooler, catless downpipe, intake, charge pipe and on.

Catless race Downpipe 4" BMW N55 F10 535i 640i F15 X5 F16 X6 - RVG

Catless downpipe is definitely going to cause a check engine light

This is because with the lack of cat, exhaust gases passing through your o2 sensor will be highly toxic and trigger check. From what i can gather on this forum, the only dp that does not throw a cel is hjs But it is 300cell and i'm not sure if it's worth the effort Yes it'd flow better than stock but 200cell or less.

There are methods to defeat the cel for catalysts without necessitating additional tuning Look at the very old threads about n54, inline resistors do the trick. « previous thread next thread » catless downpipe and yet no check engine light After installing a catless downpipe on my bmw m340i, the dreaded check engine light (cel) came on — but i found a reliable fix

Wagner Tuning Decat / Catless Downpipe Kit for BMW E82-E93 (N55) 135i

In this video, i walk you through exactly how i solved the issue.

Will a catless downpipe give a check engine light This is because with the lack of cat, exhaust gases passing through. I am looking to get extra hp out of my bmw 335i f30 and interested in getting feedback from this community on installing catless downpipes What are some good downpipe manufactures.

« previous thread next thread » cel light for catless downpipes with jb4 > technical forums > n55 turbo engine / drivetrain / exhaust modifications > p0420 code with catless dp and jb4. Bookmarks twitter facebook digg google stumbleupon. Jb4 + downpipes = bad?

VRSF Brushed 3.5" Catless N55 Downpipe Upgrade for 2012 - 2018 BMW

The time now is 06:50 am.

> technical forums > n55 turbo engine / drivetrain / exhaust modifications > what codes are thrown from catless downpipe The er 335i downpipe is made in the usa from 304 grade. The time now is 03:26 am. « previous thread next thread » getting a catless downpipe / how to avoid cel?

This vid is a quick tutorial using a tuning software called bootmod3 by protuningfreaks.