11 12 Cylinder Head With Cover N54 B30
WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. 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 | 112.00 ± 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 | cannot be measured |
| Bearing of camshaft | ||
| Guide bearing (width) | mm | 22.000...22.052 |