Hi all new to this . Had my s3 for three years and just starting to Mod it up . Gonna Bypass the N249 at the Weekend . I have a 2001 y s3 8l . Has it got an N112 valve ?
Yeah have heard it a little easy to break the nipple so hope i dont break it too! Have read on previous posts that you leave the n249 plugged in as if unplugged, it can mess with the ecu and increase emissions. discard off the pipe and some people have wrote that they have tucked the n249 out of site but im gonna leave mine in its place as i still use the engine cover
the n249 remains plugged in electrically. anything attatched to it should be removed. along with the black vaccum box and its pipes on top of the rocker cover. remove all that too.
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