11 12 Cylinder head with lid N63 B44
WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.
CYLINDER HEAD AND CYLINDER HEAD COVER SPECIFICATIONS
| Cylinder head height: Original dimension | mm | 134. 00 ± 0. 05 |
| Machining limit | mm | 133. 70 ± 0. 05 |
| Valve guides are not available as replacement parts. | ||
| Inner diameter of installed valve guide | ||
| Original intake valve | mm | 6. 00... 6. 02 |
| Original exhaust | valve | mm 6. 00...6. 02 |
| Tilt clearance, maximum (wear between valve and valve guide) | mm | 0. 06...0. 22 |
| Bearing of camshaft | ||
| Guide bearing (width) | mm | 13. 99.. 14. 04 |