Gasoline engine with a total volume of 2793 cubic centimeters. The M52B28 modification was produced from 1998 to 2001. The motor is characterized by aluminum cylinders, injector system. The engine has an in-line six-cylinder. The diameter of each is 84 millimeters. The engine has 24 valves. The piston stroke is also 84 millimeters. The compression ratio is 10.2 to 1. The maximum output is 193 horsepower. It is recommended to use 95 fuel.
The engine meets the Euro 2 to 3 environmental standards. The maximum torque of the M52B28TU is 280 NM. The engine weighs about 180 kilograms. Average gasoline consumption on the highway is 7 liters per 100 kilometers, in the city 11.6 liters, in mixed mode the engine consumes 8.5 liters.
It is allowed to use oil with marking 5W-40 or 0W-40. The total volume of oil in the engine is 6500 cubic centimeters. The oil needs to be changed every 7 thousand kilometers. The engine operates at a temperature of 95 degrees Celsius. In practice, the consumption of the motor comes out about 250 thousand kilometers. Tuning will increase the power to 500 horsepower.
M52B28TU engine specifications
Power, hp. | 193 |
Fuel type | AI-95 gasoline |
Volume, cm*3 | 2793 |
Maximum torque, N*m (kg*m) at rpm. | 280 (29) / 3500 |
Fuel consumption, l/100 km | 9.6 – 11.1 |
Engine type | In-line, 6-cylinder |
CO2 emission, g/km | 216 – 267 |
Cylinder diameter, mm | 84 |
Number of valves per cylinder | 4 |
Maximum power, hp (kW) at rpm. | 193 (142) / 5500 |
Compression ratio | 10.2 |
Piston stroke, mm | 84 |
Advantages
The cylinder block is made similarly to other motors of the M52 series. Aluminum with nickasil coating was used. The engine is characterized by square geometry. M52B28TU is characterized by a longer crankshaft stroke. The piston has also been modified. Its height is 31, 82 millimeters. The M52B28TU boasts cast iron liners, dual vanos system. Camshafts with a lift of 9 millimeters were used, other pistons and connecting rods are used. The cooling system and intake manifold have been modernized.
Disadvantages
Negative traits can be compared to the previous version.
- The motor overheats quickly. The cylinder head starts to drive. In this situation it is necessary to clean the radiator, expel all air from the cooling system. It is also recommended to carefully inspect the radiator cap.
- The M52B28TU is known for its high oil consumption. This is due to rapid wear of the piston rings. The problem may also lie in the crankcase gas valve.
- Ignition misses may occur. This is due to the hydrocompensators becoming clogged, which reduces cylinder performance. Periodic replacement of the hydraulic compensators is required for permanent operation.
- The oil light may be illuminated due to a malfunction in the oil pump. It may also be caused by a problem in the oil cup.
- If there is a characteristic engine rattle, the problem may be due to wear on the vanos. To correct this, the appropriate repair kit must be purchased. The problem can be caused by the breakage of the camshaft position sensors, the car may not start. The thermostat starts to leak.
- The M52B28 without upgrades is very demanding on fuel quality.
Modifications
- M52B28 is the basic version of the engine. The compression ratio is 10.2. The power of the motor is 193 horsepower. Torque, as in the modernized version, 280 Nm. It was produced from 95 to 00 years.
- M52B28TU is a modernized version of the motor. Similar power is achieved at 5500 rpm together with 5300 rpm. Torque 280 NM, instead of 3950 is 3500 rpm.
Chip tuning
The M50B25 intake manifold will increase power quickly and without major investment. It provides cold air intake. This increases the engine output to 250 horsepower.
An alternative option is to increase the working volume of the chamber to 3000 cubic centimeters. This requires the purchase of a crankshaft from M54B30. The piston should be cut by 1.6 millimeters. The rest remains the same.
M52B28TU owners will be able to increase power with a Garrett GT35 based whale. A turbo will also need to be mounted on the M52B28. Maximum power will increase to 400 horsepower. The motor will turn out to be quite reliable and suitable for daily driving. The standard firmware for this engine has pressures of 1 bar. For power outputs over 450 horsepower, it is recommended to purchase a forged one with a lower compression ratio of 8.5 to 1.
For compressor fans, there is also an engine tuning option. You should purchase ESS kits based on Lysholm. This will increase the maximum power to 300 horsepower without replacing the pistons.
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