| very hard cold start
My problem with my E36 320i 6 cylinders 110 kw is that now in winter time i have a very hard starting or not starting at all.so when the temperature is below 0 the car is cranking and cranking around 10-15 min and sometimes is starting ,but otherwise i need to pull the car with my other car and start it in 2 or 3rd gear.after few hundred meters it starts like it is workink only 4 pistons(bulbuling and black smoke).after this i stop the car and start again and it is starting like nothing happened.when temperature is over 5-6degrees the car starts quite fast.(but same bulbuling and black smoke,just 5 min cranking).
So i went to a service car to have a diagnose to see what happens,but i had a big surprise .my ecu(dme) won t connect with the service interface.they tried 2-3 softwers and nothing.they asked me 200 euros (in my country this are a lot of money)to repair my ecu and after they will repair the other problem(hard cold start).i changed the battery car,i changed the sparks.and i don t know what to do any more.so i ask your help. | 
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