11 12 Cylinder head with lid N20/N26 B20
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. 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 | 112.5 ± 0.05 |
| Machining limit | mm | 112.2 ± 0.05 |
| Valve guides are not available as replacement parts. | ||
| Inner diameter of installed valve guide | ||
| Original intake valve | mm | 5.00... 5.01 |
| Original exhaust valve | mm | 6.00... 6.01 |
| Tilt clearance, maximum (wear between valve and valve guide) |
mm | cannot be measured |
| Bearing of camshaft | ||
| Guide bearing intake camshaft (width) | mm | 18.90... 18.93 |
| Guide bearing eccentric shaft (width) | mm | 33.51... 33.55 |