Introduction

Introduction







The M52 TU (technically updated) engine is a further development of the M52 engine currently in use in the E36 and E39 vehicles. It will be offered in two displacement versions, the 2.8 liter and the 2.5 liter.

The development objectives were to reduce the fuel consumption and emission levels, while increasing the power output and performance characteristics of the current M52.

A new engine management system Siemens MS42.0 was developed, in conjunction with the mechanical changes, to provide the needed electronic control to allow the engine to comply with the Low Emission Vehicle (LEV) standards.

During development, particular importance was given to improving quality, engine acoustics and comfort. Further development criteria was placed on increasing power achieved by an improved torque curve.