BMW N54 Engine Specifications
The BMW N54 engine is a notable powerplant that has gained a reputation for its performance and tuning potential. Introduced in 2006, the N54 is a 3.0-liter inline-six engine that features twin turbochargers and direct fuel injection. Below are the detailed specifications of the N54 engine.
| Specification | Details |
|---|---|
| Engine Type | Inline-6 |
| Displacement | 3.0 liters (2,998 cc) |
| Turbocharging | Twin Turbo |
| Fuel Injection | Direct Injection |
| Power Output | 300 hp (224 kW) at 5,800 rpm |
| Torque | 300 lb-ft (407 Nm) at 1,300-5,000 rpm |
| Compression Ratio | 10.2:1 |
| Valvetrain | DOHC, 24 valves |
| Fuel Type | Premium unleaded |
| Weight | Approximately 350 lbs (159 kg) |
Engine Configuration
The BMW N54 engine is designed with a focus on performance and efficiency. Its configuration includes several key features that contribute to its capabilities.
Key Features
- Inline-6 Layout: This configuration provides smooth operation and balance, reducing vibrations.
- Twin Turbochargers: The use of two turbochargers allows for quicker spool times and enhanced power delivery across a wide RPM range.
- Direct Fuel Injection: This technology improves fuel atomization and combustion efficiency, resulting in better power output and fuel economy.
- Variable Valve Timing: BMW’s Valvetronic system optimizes engine performance by adjusting valve lift and timing based on driving conditions.
Applications
The N54 engine has been utilized in various BMW models, including:
- BMW 335i (E92, E93)
- BMW 135i (E82)
- BMW Z4 sDrive35i (E89)
- BMW 535i (F10)
- BMW X6 xDrive35i (E71)
Engine Oil Specifications & Service Intervals
Proper maintenance of the BMW N54 engine includes regular oil changes and the use of the correct engine oil. Below are the specifications and recommended service intervals.
Engine Oil Specifications
| Specification | Details |
|---|---|
| Oil Type | Synthetic oil |
| Viscosity Grade | SAE 5W-30 |
| API Rating | API SN or higher |
| Capacity (with filter) | 6.9 quarts (6.5 liters) |
Service Intervals
The recommended service intervals for the N54 engine are as follows:
- Oil Change Frequency: Every 7,500 miles (12,000 km) or 12 months, whichever comes first.
- Oil Filter Replacement: Replace with every oil change.
- Inspection Service: Every 15,000 miles (24,000 km) or 24 months, including checking the engine oil level and condition.
Additional Maintenance Tips
To ensure optimal performance and longevity of the N54 engine, consider the following maintenance tips:
- Use high-quality synthetic oil that meets BMW specifications.
- Regularly check and replace the air filter to maintain airflow.
- Monitor coolant levels and replace as necessary to prevent overheating.
- Inspect and replace spark plugs according to the service schedule.
Conclusion
The BMW N54 engine stands out for its impressive performance and tuning potential. With its advanced engineering, including twin turbocharging and direct fuel injection, the N54 has become a favorite among enthusiasts. Regular maintenance, including proper oil changes and adherence to service intervals, is essential for keeping this engine running smoothly and efficiently. By following the guidelines outlined in this article, owners can ensure their N54 engines remain in peak condition for years to come.
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