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M54 Engine: Notes

Models: E53 X5, E46, E39, E36 - Z3 

3.0 and 2.5 Liter 

SOP: 3 liter - 4/00, 2.5 liter 9/00 

Purpose of the System: 

The M54 engine was developed to meet the needs for ULEV compliancy for emission control.

The increase in displacement allows the engine to fit the X5 All Roads vehicle while still meeting the demands for power and performance.