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Home >> BMW >> 1997 >> 850Ci >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine - V12 (M73) >> Overhaul >> Cylinder Head >> Valve Seats

Valve Seats

Machine valve seat face with Valve Seat (00 3 520) or Valve Seat Milling Cutters (00 3 580). After machining outer and inner diameters of valve seat face, use milling tool to rework valve seat width. See Fig 1 . Also seeCYLINDER HEAD  under ENGINE SPECIFICATIONS.

Fig 1: Identifying Valve Seat Angles
G00054465Courtesy of BMW OF NORTH AMERICA, INC.
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