LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2017 >> X3 sDrive28i >> Repair and Diagnosis >> External Pages >> Different car >> Section 323 (Engine - Technical Data) >> Cylinder Head And Cylinder Head Cover (N55) >> 11 12 Cylinder head with lid (N55 B30)

11 12 Cylinder head with lid (N55 B30)

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
CYLINDER HEAD AND CYLINDER HEAD COVER SPECIFICATION

Cylinder head height: Original dimension mm 112.00 ± 0.05
Machining limit mm 111.70 ± 0.05
Valve guides are not available as replacement parts.    
Inner diameter of installed valve guide    
Original intake valve mm 5.00... 5.02
Original exhaust valve mm 6.00... 6.02
Tilt clearance, maximum
(wear between valve and valve guide)
mm cannot be measured
Bearing of camshaft    
Guide bearing (width) mm 22.00... 22.05