Thanks 225. I've already got a Racehip Ultimate (Chip Box) installed, and although I haven't Dyno'd it, my car feels a lot more responsive. But, I'm a rookie when it comes tuning knowledge. I heard a Cat-Back can add a few HP. Do you know where I could get a remap done on the 320i ED (preferably in London), it seems like there's such a lack of tuning options for the N13 (170HP). In fact, I've seen more tuning options for the N13 (136HP).
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