I have an 1988 s2 rs turbo which some times has trouble starting when it is hot or cold it is very slow at turning over when i start it but then it will fire up i fitted a new starter motor and this fixed it for about a week or so but it has come back had the engine set up about 3 or 4 mouths ago so can not see the trouble being the timing can any please hlep me out if they now what it is or has any one had this trouble on theres i will be greatfull of any help cheers