Hi steve I had a racechip plug and play tuning box on a bmw 440i and when I changed car to my rs5 I got one almost free reprogram (p&p) I have now had it fitted for a couple of weeks now and the figures quoted are +60bhp plus lower fuel consumption but the car is so rapid that the 0.2/0.3 sec quicker to 62mph is almost impossible to tell,the one thing I can tell you is my insurance has risen £350/year, what Im saying for me personally I dont think I would bother if I had to go and buy a new one at £700+.
