|
Twin Turbo and EfficientDynamics for 4cyl Petrol and Diesel |
|
|
|
|
Page 8 of 9
| Specifications 4 Cylinder Diesel Engines |
|
| Fuel |
Diesel |
Diesel |
Diesel |
| Max output |
105 kW |
130 kW |
150 kW |
| at |
4,000 rpm |
4,400 rpm |
| Max torque |
300 Nm |
350 Nm |
400 Nm |
| at |
1,750–3,000 rpm |
2,000 rpm |
| Max engine speed |
5,000 rpm |
5,200 rpm |
| Stroke |
90 mm |
| Bore |
84 mm |
| Displacement |
1,995 cm3 |
| Distance between cylinders |
91 mm |
| Valve plate diameter, intake |
27.2 mm |
| Valve plate diameter, outlet |
24.8 mm |
| Compression ratio |
16 : 1 |
| Fuel injection |
Common Rail
2nd generation; electro-magnetic injectors;
up to 5 separate injections |
Common Rail
3rd generation;
piezo-injectors;
injectors;
up to 5 separate injections |
| Fuel injection pressure |
1,600 bar |
1,800 bar |
2,000 bar |
Max charging pressure
above atmosphere |
1,500 bar |
1,500 bar |
2,000 bar |
| Sort of turbo charging |
Turbo charger with variable turbine geometry |
2 stage charging
with 2 turbo chargers in line (Variable Twin Turbo technology) |
Avg max
combustion
chamber pressure |
19 bar |
22 bar |
25.3 bar |
Max combustion
chamber pressure |
170 bar |
180 bar |
180 bar |
Engine weight to
BMW standard |
152 kg |
152 kg |
161 kg |
Minimum specific
fuel
consumption |
198 g/kWh |
198 g/kWh |
204 g/kWh |
| Output per litre |
52.6 kW/L |
65.2 kW/L |
75.2 kW/L |
| Power-to-weight ratio |
1.44 kg/kW |
1.17 kg/kW |
1.07 kg/kW |
| Crankcase |
Aluminium |
| Camshaft |
Assembled
instead of cast |
| Valves per cylinder |
4 |
|
|
|
