Hi all i have no idea where the Rail pressure regulating valve is on my x5 any help??

Thanx for all the responses i ended up buying my own diagnostics tool and the only problem was fault code 1195 rail pressure regulating valve . . . Now the only problem is i cant find it???? usually there is a sensor on the rear of the common rail and the regulator in front, in my case there is no ...

Hi i have an e53 x5 3.0d that has problems starting . . . when i turn the key for over 15 seconds it starts????

Any help please????