The volume of the M54B25 engine is 2494 cc. (2.5 liters). The power of the unit at 6000 rpm was 192 hp. The torque at 3500 rpm is 245 Nm. The piston stroke is 75 mm, the cylinder diameter is 84 mm. The engine is equipped with a Double VANOS variable valve timing system.
|Cylinder block alloy||aluminum|
|Number of cylinders||6|
|Valves per cylinder||4|
|Piston stroke, mm||75|
|Cylinder bore, mm||84|
|Power output, hp||192/6000|
|Torque output, Nm / rpm||237/3500|
|Euro standards||Euro 3-4|
|Fuel consumption, L/100 km
|Oil consumption, gr/1000 km||up to 1000|
|Recommended engine oil||5W-30 / 5W-40|
|Engine oil capacity, liter||6.5|
|Oil change interval, km||10000|
|Normal engine operating temperature, °C||~95||Engine lifespan, km
— official information
With long-term operation, even reliable BMW M54B25 engines can experience problems with overheating, misfiring, and high oil consumption.
If the engine overheats, see if the radiator needs to be cleaned, check the condition of the thermostat and the radiator cap. Helps to expel air from the cooling system.
When misfires are noticeable, the reason is the hydraulic lifters that need to be replaced.
If the red oil light is constantly on, you need to check the oil pump and oil cup. Another common problem is the failure of the DPRV. It should be borne in mind that the thread under the cylinder head is not highly reliable.
Timely diagnostics and replacement of worn parts will ensure the convenience and reliability of engine operation.