frequency valve

[zenboy]

1986 280i U.S.A. spec after driving 300 miles stoped for gas car would not restart. did all the normal things did it have spark loose conections ect. noticed fuel pump not running no power to pump traced it back to the frequency valve [pressure control valve] ran a buy pass lead , pump works car starts get home no problems,having no luck in finding a replacment. was this set up used on any other cars, and is the part a bosch part and is the number in the parts book 125L117A a bosch # or a TVR # can any one tell me where i can sorce this item. cheers mike

[TVRvixen]

did you ever get an answer?