11 12 Cylinder Head With Cover N52K B25
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. 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 | 112.000 ± 0.050 |
| Machining limit | mm | 111.700 ± 0.050 |
| Valve guides are not available as replacement parts. | ||
| Inside diameter of installed valve guide | ||
| Original inlet valve | mm | 5.000+0.012 |
| Original exhaust valve | mm | 6.000+0.012 |
| Tilt clearance, maximum (wear between valve and valve guide) |
mm | 0.500 |