I have just received a PRO-BITZ tuning module for my citroen c3 1.6 diesel and having a problem locating the plug on the end of the common rail, I believe the battery box and air intake have to be removed, will this have any effect on the engine or radio management when I disconnect the battery I would also like some pics of exactly where this plug is the diagram I have is rather obscure. -- Still waiting for an "expert" at £22.00 to get back to me on this subject -- Hope you techies can help !!