To be fair mate, they would only need it for so long to ensure you get the best dynamic map possible for your car. By doing this it would ensure your car is mapped the best it can be..
exaclty, it can take alot of time to map in the n75 control for hybrids ect, they haveto be worked from scratch depending on your mods etc.
if the mods are simular to something they have done before he could probably load a file he already has and work from that. but due to being hybrid, it needs some time to dail in and get it right.
i know its innconvenience to you, it would bother me too as they are miles away and would cost a fortune in fuel and train fairs etc. but needs must
