Starting problems
Yes I have a 1990 530 Bmw it won't start when I go to start it unless I prime it through the air box and then it runs normal and when I shut off the key I still have to prime it back to the air box I check the fuel pressure Rail and I had sufficient enough pressure someone told me it might be a thermal switch but I don't know where it's located and when will that have to do with initial start up please help desperate and also the battery has a drawn keeps dying I put a new battery in it
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