Removal & Installation (Cooper)

Turn ignition off. Disconnect battery. Remove air cleaner housing. See AIR CLEANER HOUSING . Remove throttle assembly. See THROTTLE ASSEMBLY . Remove cover from fuel rail. Detach line to brake booster from intake manifold. Press ring downward to expose line. See Fig 1. Detach crankcase ventilation valve from inspection hole cover. Remove fuel line from fuel rail; disconnect quick-release coupling for this purpose. Catch and dispose of escaping fuel. Detach plug connector from intake air temperature/manifold air pressure sensor.
Detach knock sensor plug from fuel rail wiring harness. Disconnect tank vent link and unclip at fuel rail. Disconnect vacuum line from intake manifold. Remove retaining screws of fuel rail, then remove fuel injectors and fuel rail from manifold. Seal off fuel pressure regulator with Special Tool (135280). See Fig 2. Support fuel rail with a suitable piece of wire or manufactured rod. Remove dipstick. Remove manifold screws and remove manifold. Unclip coolant line below manifold. To install, reverse removal procedure. Tighten intake manifold bolts in sequence. See Fig 3. Tighten bolts to specification. See TORQUE SPECIFICATIONS .

Fig 1: Pressing Ring Downward To Expose Line
Courtesy of BMW OF NORTH AMERICA, INC.

Fig 2: Sealing Off Fuel Pressure Regulator With Special Tool (G00306599)
Courtesy of BMW OF NORTH AMERICA, INC.

Fig 3: Intake Manifold Tightening Sequence
Courtesy of BMW OF NORTH AMERICA, INC.