Fig. 42: Machining Valve Seat Surface
Courtesy of BMW OF NORTH AMERICA, INC.
1. Valve-seat angle
2. Correction angle, outside
3. Correction angle, inside
4. Outside diameter seat face
5. Valve-seat width
Specified values (1 to 5).
NOTE: After machining the valve seat surface, remachine the outside and inside
diameters with a correction milling tool to the prespecified diameter to produce
valve seat width (5).
2006 BMW X5 30i
2004-2006 ENGINE Engine Mechanical - Repair Instructions - X3 & X5 (M54)
sábado, 2 de octubre de 2021 11:25:51 p. m. Page 47 © 2011 Mitchell Repair Information Company, LLC.
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