2004 BMW 545i Engine Specifications
The 2004 BMW 545i is a part of the E60 generation of the 5 Series, known for its blend of performance, luxury, and advanced technology. At the heart of the 545i is a powerful engine that delivers impressive performance metrics. Below is a detailed breakdown of the engine specifications.
| Specification | Details |
|---|---|
| Engine Type | 4.4L V8 (N62B44) |
| Displacement | 4398 cc |
| Power Output | 325 hp @ 6,100 rpm |
| Torque | 330 lb-ft @ 3,600 rpm |
| Compression Ratio | 10.5:1 |
| Fuel System | Electronic Fuel Injection (EFI) |
| Fuel Type | Premium unleaded (91 octane or higher) |
| Transmission Options | 6-speed manual or 6-speed automatic |
| Drivetrain | Rear-wheel drive (RWD) |
Engine Configuration
The engine configuration of the 2004 BMW 545i is notable for its design and engineering. The N62B44 engine is a V8 configuration, which is known for providing a balance of power and smooth operation. Here are some key features of the engine configuration:
Key Features
- V8 layout with 90-degree angle between cylinder banks
- Double overhead camshaft (DOHC) design
- Four valves per cylinder (32 valves total)
- Aluminum alloy construction for reduced weight
- Variable valve timing (Valvetronic) for improved efficiency
The engine’s design allows for a high power-to-weight ratio, contributing to the 545i’s dynamic performance. The use of advanced materials and technologies also enhances the engine’s durability and efficiency.
Engine Oil Specifications
Proper engine oil is crucial for maintaining the performance and longevity of the BMW 545i’s engine. The following are the recommended engine oil specifications:
| Specification | Details |
|---|---|
| Oil Type | Synthetic oil |
| Viscosity Rating | 5W-30 or 0W-40 |
| Oil Capacity (with filter) | 8.5 quarts (8 liters) |
Recommended Oil Brands
- Castrol Edge 5W-30
- Mobil 1 0W-40
- BMW Longlife-01 approved oils
Using the correct oil type and viscosity is essential for optimal engine performance and protection against wear.
Service Intervals
Regular maintenance is vital for the performance and reliability of the 2004 BMW 545i. The following outlines the recommended service intervals for oil changes and other essential maintenance tasks.
| Service Task | Interval |
|---|---|
| Oil Change | Every 7,500 miles or 12 months |
| Air Filter Replacement | Every 15,000 miles |
| Fuel Filter Replacement | Every 30,000 miles |
| Spark Plug Replacement | Every 60,000 miles |
| Brake Fluid Replacement | Every 2 years |
Additional Maintenance Tips
- Regularly check tire pressure and tread depth.
- Inspect brake pads and rotors for wear.
- Monitor coolant levels and check for leaks.
- Keep the battery terminals clean and check the battery condition.
Adhering to these service intervals and maintenance tips will ensure that the 2004 BMW 545i remains in optimal condition, providing a reliable and enjoyable driving experience.
Conclusion
The 2004 BMW 545i is a remarkable vehicle that combines luxury with performance, thanks in large part to its powerful V8 engine. Understanding the engine specifications, configuration, oil requirements, and service intervals is essential for any owner looking to maintain their vehicle’s performance and longevity. By following the recommended guidelines, drivers can ensure that their BMW 545i continues to deliver an exhilarating driving experience for years to come.
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