BMW E34 cars are the BMW 5 series that were built from 1988 to 1995. The M30 engines are a series of six-cylinder engines that BMW made from 1968 to 1994. The only E34 car with an M30 engine that was sold in the United States is a 535i made from 1988 to 1993. This engine uses electronic fuel injection to deliver fuel to the engines at precise intervals.
Tools Used: Tools, Socket wrench set, Petroleum jelly, Torque wrench
Remove the Injectors
Disconnect the air intake hose over the fuel rail with a socket wrench to access the fuel rail. Remove the plastic caps that cover the fuel rail. Remove the pair of screws that attach the electrical plug plate to the fuel injectors with a 25mm socket. Unplug the electrical plate from the fuel injectors.