BMW N52K Engine Specifications
The BMW N52K engine is a notable inline-six engine that has garnered attention for its performance and efficiency. This engine is part of BMW’s N52 family and is known for its smooth operation and robust design. Below are the detailed specifications of the N52K engine.
| Specification | Details |
|---|---|
| Engine Type | Inline-six (I6) |
| Displacement | 2.5 liters (2,499 cc) |
| Power Output | 143 kW (190 hp) at 6,100 rpm |
| Torque | 230 Nm (169 lb-ft) at 3,500 rpm |
| Compression Ratio | 10.7:1 |
| Fuel System | Direct fuel injection |
| Valvetrain | DOHC, 4 valves per cylinder |
| Engine Weight | Approximately 160 kg (352 lbs) |
| Fuel Type | Premium unleaded (RON 95) |
Engine Configuration
The N52K engine features a well-engineered configuration that contributes to its performance characteristics. Below are some key aspects of its configuration:
Design Features
- Inline-six configuration provides a smooth power delivery and balance.
- Aluminum construction reduces weight while maintaining strength.
- Double overhead camshaft (DOHC) design enhances performance through better airflow.
- Variable valve timing (VANOS) optimizes engine efficiency across different RPM ranges.
Cooling System
- Water-cooled system ensures optimal operating temperatures.
- Integrated oil cooler helps maintain oil temperature for better performance.
Performance Characteristics
- Responsive throttle response due to direct fuel injection.
- Strong mid-range torque for enhanced drivability.
- Efficient fuel consumption, especially on the highway.
Engine Oil Specifications
Proper maintenance of the N52K engine includes using the correct engine oil. The specifications for engine oil are crucial for ensuring longevity and performance.
| Specification | Details |
|---|---|
| Oil Type | Synthetic oil |
| Viscosity Grade | 5W-30 or 0W-40 |
| Oil Capacity (with filter) | 6.5 liters (6.9 quarts) |
| Oil Change Interval | 15,000 km (9,300 miles) or 12 months, whichever comes first |
Service Intervals
Regular maintenance is essential for the N52K engine to ensure optimal performance and reliability. Below are the recommended service intervals:
Routine Maintenance Schedule
- Oil Change: Every 15,000 km (9,300 miles) or 12 months.
- Air Filter Replacement: Every 30,000 km (18,600 miles).
- Fuel Filter Replacement: Every 60,000 km (37,300 miles).
- Spark Plug Replacement: Every 100,000 km (62,000 miles).
- Coolant Flush: Every 4 years or 60,000 km (37,300 miles).
Inspection and Additional Services
- Inspect brake fluid every 2 years.
- Check and replace transmission fluid as needed, typically every 60,000 km (37,300 miles).
- Inspect belts and hoses for wear every 30,000 km (18,600 miles).
Conclusion
The BMW N52K engine is a well-designed power unit that combines performance with efficiency. Understanding its specifications, engine configuration, oil requirements, and service intervals is essential for maintaining its performance and longevity. Regular maintenance and using the correct engine oil will ensure that the N52K engine continues to deliver a smooth and powerful driving experience.
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