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  1. Get my car under 6.5 second 0-60?

    Driveline, Engine & DME Tuning
    Hey all after browsing around this site for a couple months I finally decided to make the jump and join. I own a 2003 steptronic 325i and I was wondering which mods would it take to get me down to 6ish 0-60. I considered everything from stroking, headers, diff swap, tranny swap, shark injector...