Fuel Rail Leak

[Cyruz]

Ahh the fun never stops, after replacing my inlet manifold and installing new injectors my fuel rail now leaks... this isn't a drip, it's being sprayed out with great pressure.

The end of the fuel rail that connects to the pressure regulater and I assume sends unused petrol back to the tank is spraying fuel from where it directly connects to the rail itself, I know this is vague but I have no photos.

Is there ment to be some kind of seal here that perhaps I've lost and not realised when I replaced the injectors. If so does anyone know the part number/s.

[Cyruz]

Is this the part the part that I'm missing from the Pressure reg?

04 O-RING 7,52X3,53 ? 13641730767 $3.29

[DRIFTBOY]

From what I have seen on my M30 engine the seal on the pressure regulator is the same as the injector seals.

Don't know if this applies to other engines or what engine you are running but you never know, it might help!

[SPADGE]

There will be a seal between the reg and rail mate!
I have no idea about the part number but i'm sure someone will be able to help.

[geo1400]

http://www.realoem.com/bmw/showparts.do ... g=13&fg=15

Check that out. This is an M40, not sure if that's what you've got but the part your missing is number 7. There doesn't seem to be a part number on this but at least you can show the guy at your local dealer.

I'm pretty sure this is what your missing. Good luck!

[Richy325iTouring]

rubber o ring
only a few pence from the dealer's

kept splitting these years ago when i tried to use an fse boost valve
this is what persuaded me to use standard fuel reg instead

[geo1400]

What are those boost valves all about? Any good? apart from bursting seals!