Gearbox seems fine, very impressive through 2nd 3rd and 4th with the REVO. I'm on just over 40K and have had the REVO since I got the van at about 26k. If anyone has a TSI and hasn't had it mapped, I would say there is a massive world of performance and grins available. Mine was a manual 150hp Kombi so to double the power just with a stage 1 map is pretty incredible and just shows how restricted the engine was originally.