ok i know a diesel will smoke more once a remap is done had it remapped back in march. now im noticeing more smoke then useual specially when driving at night proper imbarresing. mileage is 107k 1999 at tdi was 90 bhp. last service was at 100k. checked oil seems fine been using the same diesel by shell. not taken it on the motorway for a while. just wondering what it could be. thanx!