11 12 Cylinder Head with Valve Seat Cover N54
WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. 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 | 1 0 +0.1 |
| Valve seat width: Exhaust | mm | 12 +0.1 |
| Ø Valve seat | ||
| Valve seat surface: Outside dia. inlet | mm | 27.7 +01 |
| Valve seat surface: Outside dia. exhaust | mm | 26.6 +0.1 |