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Removal & Installation (V12)

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Turn ignition off. Remove wiring harness on engine. Lift harness upward and secure to hood. Pull supply air hoses for air-contained injection valves off injection valve strips. Loosen hose clips and pull off injection valve strips. Carefully pull off fuel hoses to release pressure. Catch escaping fuel in a container. Remove screws and injection valve strip with injection valves. Unclip and remove circlip. See Fig 1-Fig 5 . Remove injector valves. To install, reverse removal procedure. Check injector seals and replace as necessary. Coat seals with acid-free grease

Fig 1: Unfastening Engine Wiring Harness (V12)
G00125159Courtesy of BMW OF NORTH AMERICA, INC.
Fig 2: Removing Supply Air Hoses (V12)
G00125160Courtesy of BMW OF NORTH AMERICA, INC.
Fig 3: Removing Injection Valve Strip Hose Clips (V12)
G00125161Courtesy of BMW OF NORTH AMERICA, INC.
Fig 4: Removing Injection Valve Strip Screws (V12)
G00125162Courtesy of BMW OF NORTH AMERICA, INC.
Fig 5: Unclipping Injector Circlip (V12)
G00125163Courtesy of BMW OF NORTH AMERICA, INC.