Gasoline engine, 1.6 liter capacity. It was installed in BMW. Produced from 2004 to 2011. It has an in-line structure, 16 valves. The stroke of the piston is 72 millimeters. The diameter of each of the 4 cylinders is 84 millimeters. The maximum power of the motor is 116 horsepower with a torque of 150 Nm. It is recommended to refuel with 95 fuel, meets Euro 4 – 5 standards. Average fuel consumption in the city is 8.8 liters per 100 kilometers, on the highway – 4, 9 liters, in mixed mode – 6.2 liters. Oil consumption is small – 700 grams per 1000 kilometers. It is recommended to use 5W-30 or 5W-40. The motor holds 4.5 liters of oil. When replacing it is required to refill 4 liters. The motor resource without overhaul is 250 thousand kilometers.
N45B16 engine specifications
| Power, hp. | 115 – 116 |
| Fuel type | Gasoline AI-92 AI-98 |
| Volume, cm*3 | 1596 |
| Maximum torque, N*m (kg*m) at rpm. | 150 (15) / 4300 |
| Fuel consumption, l/100 km | 7.7 |
| Engine type | In-line, 4-cylinder |
| CO2 emission, g/km | 180 |
| Cylinder diameter, mm | 84 |
| Number of valves per cylinder | 4 |
| Maximum power, hp (kW) at rpm. | 115 (85) / 6000; 116 (85) / 6000 |
| Start-stop system | optionally |
| Compression ratio | 10.5 |
| Piston stroke, mm | 72 |
Advantages
The engine was designed on the basis of N42B18. The changes affected the camshaft, the piston stroke was reduced. Also in B16 different connecting rods are used. The new engine does not use the Valvetronic altitude control system. The cylinder head is covered with a different cover. Different plugs and a different alternator are used. In 2007, an engine update came out, and the prefix N was added to the name. The analog on the BMW 16i was a two-liter motor N45B20S. For budget varieties of the car was used B16. In 2011, production of another motor began, trumpeted with a volume of 1.6 liters N13B16.
Disadvantages
Owners note knocking in the engine, which is explained by the timing chain tensioner. Their life leaves much to be desired – after 100 thousand kilometers of mileage, replacement is required. Due to the Vanos system, a slight vibration at idle is noted. The problem can be corrected by cleaning. The engine has a predisposition to detonation. It is not recommended to experiment with oil. Otherwise, you can get to a major overhaul.
Chip tuning
The motor has no sporting purpose, for this reason it is impossible to find normal and effective tuning on N45B16. The only solution is to use a filter with a reduced degree of resistance. It will be possible to increase the power by about 10 horsepower. If you want to have a powerful car, you will have to change the vehicle.
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