11 12 Cylinder Head with Valve Seat Cover N47
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.
CYLINDER HEAD WITH VALVE SEAT COVER SPECIFICATIONS
| Valve seat angle | ° | 45 |
| Correction angle: outer Intake and exhaust |
° | 15 |
| Correction angle: inner Intake | ° | 36 |
| Correction angle: inner Exhaust |
° | 60 |
| Valve seat width: Intake | mm | 1.2 ±0.25 |
| Valve seat width: Exhaust | mm | 1.4 ±0.25 |
| Ø Valve seat | ||
| Valve seat surface: Outside dia. inlet | mm | 25.9+0.1 |
| Valve seat surface: Outside dia. exhaust | mm | 23.2+0.1 |