Smart Type 451 Chiptuning

Hello to all smarties who of you has chipped his little ones. I mean the chip tuning I have a Smart Type 451 with 64 kw and would like to have it chipped. Unfortunately or also to luck is the selection so huge. that I unfortunately lose the overview I would like to have a few good tuners of you who are also to recommend are I also like to drive a few kilomenters. A Fa. in Weilheim Teck it offers only I don’t know if they are also good. So please if someone has made one or other experience no matter whether positive or negative with it. Thank you Turbo451