How to remove the Fuel pressure regulator e39?

[Blackcatecho]

Hey guys,

Just wanted to see if anyone can tell me how to remove the FPR before I try it myself without any advice. I'm having a low pressure reading at initial pressurization after it sits a while (.96 bar). I found the FPR and I just want to know how to disconnect it from the rail on my 97 528i. Thanks for any help.

[Dudesky_E36]

You probably have to unmount the fuel rail to get to it. Pull the small vacuum hose off the FPR. If it's anything like the e36 6cyl engines, there's a circular clamp around its perimeter that has to be removed. This clamp houses a thrust washer that compresses the FPR against the opening on the fuel rail when the clamp is tightened. Just loosen the clamp and you'll see what I mean. Get a rag to cover & catch any fuel spill, and pull the FPR straight out. It might be a little hard to pull, since the o-ring inside maintains a tight seal.

If yours looks nothing like what I just described, then ignore this post

[Blackcatecho]

That sounds pretty accurate. Thanks for the post. That's how I thought to do it, but I just wanted to make sure that there wasn't any suprising step that I needed to know about. Thank again.