BMW M54B30 Engine Specifications
The BMW M54B30 engine is a notable inline-six engine that has garnered attention for its performance and reliability. It is part of BMW’s M54 engine family, which is known for its smooth operation and robust design. Below are the detailed specifications of the M54B30 engine.
| Specification | Details |
|---|---|
| Engine Type | Inline-6 |
| Displacement | 3.0 liters (2,979 cc) |
| Power Output | 228 hp (170 kW) at 5,900 rpm |
| Torque | 221 lb-ft (300 Nm) at 3,500 rpm |
| Compression Ratio | 10.2:1 |
| Fuel System | Multi-Point Fuel Injection |
| Valvetrain | DOHC, 24 valves |
| Fuel Type | Premium unleaded (91 octane or higher) |
| Engine Weight | Approximately 170 kg (375 lbs) |
Engine Configuration
The M54B30 engine features a well-engineered configuration that contributes to its performance characteristics. Below are the key aspects of its configuration:
Design Features
- Inline-6 configuration provides a balanced and smooth operation.
- Aluminum alloy engine block and aluminum DOHC cylinder head for reduced weight.
- Chain-driven double overhead camshafts (DOHC) enhance durability and reduce maintenance.
- Variable valve timing (VANOS) system improves efficiency and performance across the RPM range.
Performance Characteristics
- Powerful and responsive acceleration due to high torque delivery.
- Smooth power delivery with minimal vibrations, characteristic of inline-six engines.
- Good fuel efficiency for a performance-oriented engine.
Engine Oil Specifications
Proper lubrication is critical for the longevity and performance of the M54B30 engine. Below are the recommended engine oil specifications:
Oil Type
- SAE 5W-30 or 0W-40 synthetic oil is recommended for optimal performance.
- API SN or higher classification is preferred for better protection.
Oil Capacity
- Oil capacity with filter: Approximately 6.5 liters (6.9 quarts).
Service Intervals
Regular maintenance is essential to keep the M54B30 engine running smoothly. Here are the recommended service intervals:
Oil Change Intervals
- Every 7,500 miles (12,000 km) or 12 months, whichever comes first.
- For severe driving conditions, consider changing oil every 5,000 miles (8,000 km).
Other Maintenance Checks
- Inspect air filter: Every 15,000 miles (24,000 km).
- Replace fuel filter: Every 30,000 miles (48,000 km).
- Inspect spark plugs: Every 60,000 miles (96,000 km).
- Check coolant level and condition: Every 30,000 miles (48,000 km).
- Inspect drive belts: Every 30,000 miles (48,000 km).
Conclusion
The BMW M54B30 engine is a well-rounded powerplant that combines performance, reliability, and efficiency. With its inline-six configuration, advanced engineering features, and proper maintenance, it continues to be a favorite among enthusiasts and everyday drivers alike. Understanding its specifications, oil requirements, and service intervals is crucial for maximizing its potential and ensuring a long service life.
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