11 12 Cylinder Head with Cover N51 B30
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2010 BMW 328xi, 2010 BMW 328i, and 2009 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
CYLINDER HEAD WITH 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. | ||
| Inside diameter of installed valve guide | ||
| Original inlet valve | mm | 5.0+0.012 |
| Original exhaust valve | mm | 6.0+0.012 |
| Tilt clearance, maximum (wear between valve and valve guide) | mm | 0.5 |