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Performance mods?
Hi all, I’m asking those of you with experience and have the g20 m340i. What else can I do to my car on stock turbo to get significant gains?
My current setup is catless downpipe, stage 2, ngk spark plugs gapped 0.22” and a mix of e85 480whp. I thought of getting the burger tuning intake but I see there’s no much gain. I also heard stock charge pipe is good enough. Anybody want to give their input? Thanks
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