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Home >> BMW >> 1997 >> 850Ci >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine - V12 (M73) >> Removal & Installation >> Intake Manifold >> Removal & Installation (Air Induction Pipes Cylinders No. 1-6)

Removal & Installation (Air Induction Pipes Cylinders No. 1-6)

  1. Remove non-return valve for cylinders No. 1-6. See NON-RETURN VALVE  under REMOVAL & INSTALLATION. Remove guide tube for dipstick. Remove right distributor cap. Remove spark plug connector for cylinders No. 1-6. Remove nut and remove ignition wiring harness. See Fig 1 .
  2. Remove bolt connection (top nuts on exhaust manifold) for heat baffle plate on exhaust manifold of cylinders No. 1-3. See Fig 2 . Unfasten flanges No. 1 and 2. To install, reverse removal procedure. Clean gasket residue off flanges on exhaust manifold for cylinders No. 4-6. See Fig 3 . Replace gaskets. See Fig 4 .
Fig 1: Removing Ignition Wiring Harness
G00054460Courtesy of BMW OF NORTH AMERICA, INC.
Fig 2: Identifying Heat Baffle Plate Of Cylinders No. 1-3
G00054461Courtesy of BMW OF NORTH AMERICA, INC.
Fig 3: Identifying Flanges On Exhaust Manifold
G00054462Courtesy of BMW OF NORTH AMERICA, INC.
Fig 4: Replacing Gaskets
G00054463Courtesy of BMW OF NORTH AMERICA, INC.