FixVault

11 00 Engine in general M54/M56

WARNING: This page does not describe the selected car, but rather 38 other vehicles, including the 2006 BMW M3, 2006 BMW 330Ci, 2006 BMW 325Ci, 2005 BMW M3, and 2005 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE IN GENERAL M54.M56 SPECIFICATIONS

Cylinder   6
Bore mm 84
Stroke mm 75
Effective displacement cm3 2494
Compression ratio M54 :1 10.5
Compression ratio M56 :1 10.1
Max. permissible engine speed RPM 6500
Compression pressure (approx. equal value for all cylinders) min. bar 10...11