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Model specific boards => Golf mk4 => Topic started by: Jeffvwgolf on 08 September 2013, 22:03

Title: Gti turbo ARZ engine, how to do n249 bypass, is it a safe mod?
Post by: Jeffvwgolf on 08 September 2013, 22:03

Thinking bout doing the n249 bypass, I haven't enough knowledge on how it's done as I've been reserching for ages now. Can any1 give me a detailed intrustion on how to do it, my car is 2000, engine code ARZ and is it a safe mod to do..

Title: Re: Gti turbo ARZ engine, how to do n249 bypass, is it a safe mod?
Post by: dom on 08 September 2013, 22:14

This is the guide I followed:

http://uk-mkvs.net/forums/t/265883.aspx (http://uk-mkvs.net/forums/t/265883.aspx)

Title: Re: Gti turbo ARZ engine, how to do n249 bypass, is it a safe mod?
Post by: rio_gti on 09 September 2013, 11:30

I followed that same guide and its pretty straight forward and worth doing... but then I ended up doing the ultimate delete to get rid of even more junk and its fine!!! (I got an ARZ too!!)

Title: Re: Gti turbo ARZ engine, how to do n249 bypass, is it a safe mod?
Post by: Jeffvwgolf on 09 September 2013, 12:20

Thanks lad, il give it ago see wat it's like then, hopefully get a remap after to :)

Title: Re: Gti turbo ARZ engine, how to do n249 bypass, is it a safe mod?
Post by: Dalo Harkin on 10 September 2013, 14:48

I also did the deletes, no issues whatsoever, I actually think it made the car feel better, maybe a placebo as you're more than likely just removing old broken crap anyway  :laugh:

Title: Re: Gti turbo ARZ engine, how to do n249 bypass, is it a safe mod?
Post by: WadGTI on 11 September 2013, 09:21

I have mixed views since I did the N249 bypass. Yeah, in gerneral, the car the feels better and a bit more responsive, specially in second gear. However, when giving it a roast from 3rd to 5th, the turbo sometimes likes to stall then pick up again.

Thinking I might be need a new DV, even though the standard one sounds and looks good this now.

Title: Re: Gti turbo ARZ engine, how to do n249 bypass, is it a safe mod?
Post by: Jeffvwgolf on 17 September 2013, 01:58

I done the bypass and so far I haven't had any regrets, I can hear the turbo whistle more and it also boosts abut more with less lag and smooth threw the revs

Title: Re: Gti turbo ARZ engine, how to do n249 bypass, is it a safe mod?
Post by: sharki786 on 17 September 2013, 07:48

Does the agu have this? Also what else can you delete from the agu apart from the carbon canister?