Engine BMW M60B40

The M60B40 engine block is 90° camber aluminum with nickel-plated liners and forged crankshaft. Since the end of 1994, the block has been replaced with a more reliable one made of alusil, the piston, respectively, has also changed.

Aluminum cylinder heads with two camshafts, 4 valves per cylinder, with hydraulic compensators. The diameter of the intake valves is 35 mm, exhaust 30.5 mm. Characteristics of standard camshafts M60B40: phase 246/242, rise 9.7/9.4 mm.

The M60 used individual ignition coils, a plastic intake manifold, a two-row timing chain with a resource of about 200-250 thousand km. Bosch Motronic 3.3 engine management system.

Other modifications of M60: M60B30.

Specifications

Production years 1992-1998
Displacement, cc 3982
Fuel system injector
Power output, hp 286 /5800 rpm
Torque output, Nm 400 /4500 rpm
Cylinder block aluminum V8
Block head aluminum 32v
Cylinder bore, mm 89
Piston stroke, mm 80
Compression ratio 10.0
Features no
Hydraulic lifters yes
Timing drive chain
Phase regulator no
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 7.5
Fuel type 95
Euro standards EURO 1
Fuel consumption, L/100 km
— city
— highway
— combined
18.1
9.2
11.8
Engine lifespan, km ~350 000
Weight, kg ~200

Disadvantages of the M60B40 engine

  • Until 1994, a nikasil coating was used, which is very afraid of sulfur in the fuel;
  • From vibrations of the engine at idle, adjusting the valve timing often helps;
  • The reason for the oil burner is in the valve stem seals or the crankcase ventilation system;
  • The oil pump screws may loosen and fall into the sump, it is advisable to check them;
  • Factory catalysts had a small resource and the owners got rid of them.

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