2008 bmw 528i cranks but not start. EPK module controller replaced. The issue was fixed, after a month the problem came back.
It was checked with Prootool and no error code found.
If someone can help on this?
Thanks

 

Moved your thread to the correct container for more visibility.

Have you checked fuel pressure? Is the pump priming?

 

the fuel pump is priming when protool is used, not when the key is introduced in the ignition switch. I don't have tool to measure the fuel pressure.
thanks