11 00 Engine In General N52K B25
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE GENERAL SPECIFICATION
| Cylinder | 6 | |
| Bore Ø | mm | 82 |
| Stroke | mm | 79 |
| Effective displacement | cm3 | 2497 |
| Compression ratio | :1 | 11 |
| Max. permissible engine speed | RPM | 6500 ± 50 |
| Permissible constant speed | RPM | 6300 |
| Compression pressure: Minimum and maximum values depending on position of Valvetronic. |
9... 18 | |
| Compression pressure: Maximum deviation of all cylinders to each other. |
bar | 2 |