11 12 Cylinder head with lid N63 B44
WARNING: This page does not describe the selected car, but rather 23 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750i, and 2015 BMW 750Li xDrive. 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 |