11 12 Cylinder Head with Valve Seat Cover M54 B25
WARNING: This page is about a different car, the 2003 BMW X5, 2002 BMW X5, and 2001 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
CYLINDER HEAD WITH VALVE SEAT COVER M54 B25 SPECIFICATIONS
| Valve seat angle | ° | 45 |
| Correction angle: outer | ° | 15 |
| Correction angle: inner | ° | 60 |
| Valve seat width: Inlet | mm | 1.65 +/- 0.25 |
| Valve seat width: Exhaust | mm | 1.65 +/- 0.25 |
| Valve seat bore diameter | ||
| Valve seat surface: Outside dia. Inlet | mm | 32.4 |
| Valve seat surface: Outside dia. Exhaust | mm | 30.0 |