11 12 Cylinder Head with Valve Seat Cover S65
WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
CYLINDER HEAD WITH VALVE SEAT COVER SPECIFICATION
| Valve seat angle | ° | 45 |
| Correction angle: outer | ° | 15 |
| Correction angle: inner | ° | 60 |
| Valve seat width: Inlet | mm | 0.9+0.1 |
| Valve seat width: Exhaust | mm | 1.1+0.1 |
| Valve seat surface: Outside dia. inlet | mm | 34±0.1 |
| Valve seat surface: Outside dia. exhaust | mm | 29.3±0.1 |