BMW M90 Engine Specifications
The BMW M90 engine is a high-performance powerplant that embodies the brand’s commitment to engineering excellence and driving dynamics. Designed for various models, this engine combines cutting-edge technology with robust performance metrics. Below are the detailed specifications of the M90 engine.
| Specification | Details |
|---|---|
| Engine Type | Inline 6-cylinder |
| Displacement | 3.0 liters |
| Power Output | Approx. 473 hp (350 kW) |
| Torque | Approx. 406 lb-ft (550 Nm) |
| Turbocharging | Single twin-scroll turbocharger |
| Fuel System | Direct injection |
| Compression Ratio | 10.2:1 |
| Valvetrain | DOHC with variable valve timing |
| Maximum RPM | 7,200 RPM |
Engine Configuration
The BMW M90 engine features a sophisticated configuration that enhances performance and efficiency. Below are the key aspects of its configuration:
1. Inline 6-Cylinder Layout
– The inline 6-cylinder layout provides a smooth power delivery and balanced operation.
– This configuration minimizes vibrations, contributing to a refined driving experience.
2. Turbocharging
– The single twin-scroll turbocharger optimizes airflow and boosts power output while maintaining efficiency.
– This setup allows for quicker spool times, resulting in improved throttle response.
3. Advanced Fuel Injection
– Direct injection technology enhances fuel atomization, improving combustion efficiency and power output.
– This system also helps in reducing emissions, aligning with modern environmental standards.
4. Variable Valve Timing
– The DOHC design with variable valve timing allows for better control of the intake and exhaust cycles.
– This feature enhances performance across different RPM ranges, providing both power and efficiency.
Engine Oil Specifications
Proper engine oil is crucial for the longevity and performance of the BMW M90 engine. Below are the recommended oil specifications:
| Specification | Details |
|---|---|
| Oil Type | Fully synthetic |
| Viscosity Rating | SAE 0W-30 or SAE 5W-30 |
| Oil Capacity | Approx. 6.9 quarts (6.5 liters) |
| Oil Change Interval | Every 10,000 miles (16,000 km) or 12 months |
Service Intervals
Regular maintenance is essential to ensure the BMW M90 engine operates at its best. Below are the recommended service intervals:
1. Oil Change
– Frequency: Every 10,000 miles (16,000 km) or 12 months.
– Importance: Regular oil changes help maintain engine cleanliness and performance.
2. Air Filter Replacement
– Frequency: Every 30,000 miles (48,000 km).
– Importance: A clean air filter ensures optimal airflow to the engine, improving efficiency.
3. Spark Plug Replacement
– Frequency: Every 60,000 miles (96,000 km).
– Importance: Replacing spark plugs ensures proper ignition and engine performance.
4. Fuel Filter Replacement
– Frequency: Every 30,000 miles (48,000 km).
– Importance: A clean fuel filter prevents contaminants from entering the engine, enhancing performance.
5. Coolant Change
– Frequency: Every 4 years or 50,000 miles (80,000 km).
– Importance: Regular coolant changes prevent overheating and protect engine components.
6. Brake Fluid Change
– Frequency: Every 2 years.
– Importance: Changing brake fluid ensures optimal braking performance and safety.
Conclusion
The BMW M90 engine represents a blend of performance, efficiency, and advanced engineering. Understanding its specifications, configuration, and maintenance requirements is essential for enthusiasts and owners alike. Regular servicing and the use of recommended engine oil will ensure that the M90 engine continues to deliver the exhilarating performance that BMW is known for.
0 Comments