From EX Auto sparks....fully conversant with the Bosch " K " & "KE " injection system, first if you want to Test & Hear pump running without turning engine, you bridge Terminals 30 and 87 only....pump must run...if not ensure 30 [ red terminal ] is live without ignition on as you may have blown a fuse ?.....now re - cold start...forget at this moment all the parts on the injection system, can advise later for you...You see with 4 good compresions....4 good sparks at plugs....these cars will burst into life re - the 5th injector...it must do...neat petrol into manifold.." they allways do "...so do a Test at the 5th injector first..undo the feed pipe to the 5th...pop into safe container , be carefull hear...bridge 30 / 87..you should have a very strong flow as its on the main fuel line..ie 85/90 psi..ensure you have decent amount fuel in Tank as very low afects pressure...it must burst into life...yes it may petor out after a few seconds...but the engine should and must run, i can advise the rest after...Peter.