Engine BMW M62B46

The BMW M62 engine was released to replace the M60 and was produced from 2001 to 2003. Introduced in 1999, the BMW X5 E53 quickly gained a reputation as a dynamic sports SUV and the power of the standard 4.4-liter M62B44 seemed insufficient. Therefore, it was decided to modernize it and the M62B46 engine appeared.

Other modifications of M62: M62B35, M62B44, M62B48.

Specifications

Production years 2001-2003
Displacement, cc 4619
Fuel system injector
Power output, hp 347 /5700 rpm
Torque output, Nm 480 /3700 rpm
Cylinder block aluminum V8
Block head aluminum 32v
Cylinder bore, mm 93
Piston stroke, mm 85
Compression ratio 10.5
Features no
Hydraulic lifters yes
Timing drive chain
Phase regulator double VANOS
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 7.5
Fuel type 95
Euro standards EURO 3
Fuel consumption, L/100 km
— city
— highway
— combined
21.0
11.4
14.9
Engine lifespan, km ~350 000
Weight, kg 208

Disadvantages of the M62B46 engine

The main malfunctions of the M62B46 motor are: knocking, rough idling, leaks. The reason for the knock that appears may be an extended timing chain, which has a service life of up to 200 thousand km, as well as a tensioner bar, a chain bar, a tensioner. The resource of the Vanos system is similar to the resource of the chain, and it can fail. It is better not to delay checking and replacing.

When the engine is running unevenly, the cause is air leakage in the manifold, problems with the flow meter and the crankcase ventilation valve. The malfunction is caused by dirty throttle valves, faulty throttle position sensors.

If you notice a leak, you need to check the valve cover gasket, coolant bath, pump, outlet manifold gasket.

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