11 12 Cylinder Head with Valve Seat Cover N52K B30
WARNING: This page is about a different car, the 2010 BMW X3, 2009 BMW X3, 2008 BMW X3, and 2007 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
TECHNICAL DATA - CYLINDER HEAD WITH VALVE SEAT COVER N52K B30
| Valve seat angle | ° | 45 |
| Correction angle: outer | ° | 15 |
| Correction angle: inner | ° | 60 |
| Valve seat width: Inlet | mm | 1.0 +0.1 |
| Valve seat width: Exhaust | mm | 1.2 +0.1 |
| Z Valve seat | ||
| Valve seat surface: Outside dia. inlet | mm | 27.7+0.1 |
| Valve seat surface: Outside dia. exhaust | mm | 26.6+0.1 |