Removal & Installation (V8)
- Fuel pressure regulator is located at rear of intake manifold. Remove engine cover. See Figure. Remove coolant expansion tank and BMW diagnostic connector (if necessary). Disconnect vacuum hose from pressure regulator. Remove circlip and pull pressure regulator out of fuel rail.
- To install, reverse removal procedure. Replace "O" rings on regulator and lubricate with petroleum jelly. Install regulator in fuel rail. Compress circlip and engage tabs of circlip into fuel rail.