11 12 Cylinder head with lid N20/N26
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i 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 | 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 |