Quote:
Originally Posted by BMB063
I know this is sort of off topic, but I am considering a JB4 and downpipe for my N55. Will I have an error code when installed? I didn't know that.
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Yeah but if you get the JB4 you can clear them at any time or have it not come on at all.
For me I've been running a downpipe without tune and just deal w/ the engine malfunction warning all the time lol. I don't care. I just don't like the fact that the JB4 hijacks a bunch of sensors and it made my car run terribly. I would've gotten Cobb but they don't support my 2013 DME.