11 12 Cylinder Head with Valve Seat Cover N52 B25
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2008 BMW Z4, 2007 BMW Z4, 2007 BMW 530xi, 2007 BMW 530i, and 2007 BMW 525xi. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE - TECHNICAL DATA (11 12 CYLINDER HEAD WITH VALVE SEAT COVER N52 B25)
| 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 |
| Valve seat surface: Outside dia. inlet | mm | 32.2+0.1 |
| Valve seat surface: Outside dia. exhaust | mm | 27.0+0.1 |