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04-30-2017, 03:04 PM | #1 |
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Active Autowerke High Flow Cats with borla x pipe
Like the title says, can i do that? I just bought my m3 and it has the testpipe and borla x pipe with cnt exhaust. Obviously I have the CEL on. Since the car still has warranty I would like to remove that CEL. The question is can i pair the high flow cats with the borla x pipe and remove the CEL in the car..?
This is what i was planning on buying if i can do that : https://thmotorsports.com/i-1977476....ci0hoCQbfw_wcB |
04-30-2017, 03:15 PM | #2 |
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There seem to be zero success cases of aftermarket X pipes with HFC not causing a CEL without a tune.
I think you will need a tune |
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05-12-2017, 12:14 AM | #3 |
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I've been running the full ESS exhaust with HFCs for over two years and no CEL. I used the system for over a year without the ESS tune (so that's not the reason for not getting a CEL). Good luck!
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05-14-2017, 01:37 PM | #4 | |
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Quote:
messing with your exhaust PAST the primary cats and o2 sensors will not yield a CEL, and you dont need an ECU tune. eg. deleting your secondary cats = no CEL. the ECU will adjust to the mod within 350 miles on its own. no tune needed. |
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05-24-2017, 02:57 PM | #5 | ||
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Quote:
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| **PREVIOUS** | 2012 E92 M3 | ZCP | DCT | Jerez Black | Black Novillo | | **PREVIOUS** | 2014 F13 M6 | DCT | Black Sapphire | Black Extended Merino | | **CURRENT** | 2011 E90 M3 | ZCP | 6MT | Space Gray | Black Novillo | |
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