hi up for grabs is my synergy 1cr tuning box by roverron,this was fitted to my 2005 s40 2.0d 136bhp. works brilliant the differance is unreal, i dont have the fitting instructions but look at the link for more info. they cost £150 so iam looking for £75 posted
http://www.energytuning.co.uk/Synergy1/tu3all.htm