Hi everyone ,i bought my is220d 2006 about 3 months ago and i was thinking to get one of them tuning boxes and i found on ebay a box made by TMC MOTORSPORT ,i bought it of a guy in Ireland ,turn up few day ago ,fit it on my car but to be honest i can't see much difference and i want to make sure i have connected the box right ...a cable connect to the fuel rail and one to the turbo boost sensor...just want to know is that the boost sensor in the picture? any help i appreciate thanks