Originally Posted by OperationAlfa
I very much doubt Angel or Celtic could do this with the mobile tuning service.
Angel did it to mine in the car park at work and to be honest, couldn't praise them enough for the customer service. Nigel couldn't make it himself so one of the guys came out from Cardiff and fiddled about with the settings, no idea how these things work or what he did but it took a lot of the lag out and gave me ultimately more power at the top end.