2004 BMW 325Ci Engine Specifications
The 2004 BMW 325Ci is part of the E46 generation of the 3 Series, known for its blend of performance, luxury, and engineering excellence. The engine specifications for this model highlight its capabilities and the technology that BMW incorporated into its design.
Engine Specifications Overview
The following table summarizes the key engine specifications for the 2004 BMW 325Ci:
| Specification | Details |
|---|---|
| Engine Type | Inline 6-cylinder |
| Displacement | 2.5 liters (M54B25) |
| Horsepower | 184 hp @ 6,000 rpm |
| Torque | 175 lb-ft @ 3,500 rpm |
| Compression Ratio | 10.5:1 |
| Fuel System | Electronic fuel injection |
| Valvetrain | DOHC, 24 valves |
| Fuel Type | Premium unleaded (91 octane recommended) |
| Transmission Options | 5-speed manual or 5-speed automatic |
| 0-60 mph | 6.7 seconds (approx.) |
| Top Speed | Approximately 140 mph |
Engine Configuration
The engine configuration of the 2004 BMW 325Ci is designed to provide a balance of performance and efficiency. The inline 6-cylinder engine is a hallmark of BMW engineering, known for its smooth power delivery and refined operation.
Key Features of the Engine Configuration
– Inline 6-Cylinder Design: This configuration allows for a smoother operation compared to 4-cylinder engines, reducing vibrations and enhancing driving comfort.
– Double Overhead Camshaft (DOHC): The DOHC design facilitates better airflow and higher RPM capabilities, contributing to the engine’s performance.
– 24 Valves: The use of 24 valves improves the engine’s ability to breathe, enhancing both power output and fuel efficiency.
– Variable Valve Timing: This technology optimizes engine performance across different RPM ranges, improving both power and efficiency.
Engine Oil Specifications & Service Intervals
Proper maintenance of engine oil is crucial for the longevity and performance of the 2004 BMW 325Ci. Understanding the oil specifications and recommended service intervals can help ensure the engine operates smoothly.
Engine Oil Specifications
The following table outlines the recommended engine oil specifications for the 2004 BMW 325Ci:
| Specification | Details |
|---|---|
| Oil Type | Synthetic oil recommended |
| Viscosity Grade | 5W-30 |
| Oil Capacity (with filter) | 6.5 quarts (approx.) |
| Oil Change Interval | Every 7,500 miles or 12 months, whichever comes first |
Service Intervals
Regular maintenance is essential for the 2004 BMW 325Ci to ensure optimal performance. The following list outlines the recommended service intervals:
– 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.
– Coolant Flush: Every 2 years or 30,000 miles.
– Brake Fluid Replacement: Every 2 years.
Conclusion
The 2004 BMW 325Ci stands out as a well-engineered vehicle that combines performance with luxury. Its inline 6-cylinder engine, advanced technology, and attention to maintenance detail contribute to its reputation as a reliable and enjoyable driving experience. By adhering to the recommended service intervals and using the specified engine oil, owners can ensure their BMW continues to perform at its best for years to come.
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