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Home >> BMW >> 2008 >> 323i Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine - Technical Data - E90-E91 (-08); E92/E93 (N51/N52) >> 12 cylinder head with cover >> 11 12 Cylinder Head with Cover N52K / B30

11 12 Cylinder Head with Cover N52K / B30

TECHNICAL DATA - CYLINDER HEAD WITH COVER N52K B30

Cylinder head height: Original dimension mm 112.000 ± 0.050
Machining limit mm 111.700 ± 0.050
Valve guides are not available as replacement parts.    
Inside diameter of installed valve guide    
Original inlet valve mm 5.000+0.012
Original exhaust valve mm 6.000+0.012
Tilt clearance, maximum (wear between valve and valve guide) mm 0.500