2002 BMW 325Ci Engine Specifications
The 2002 BMW 325Ci is a part of the E46 generation of the 3 Series, known for its blend of performance, luxury, and reliability. The engine specifications of the 325Ci are a key aspect of its appeal, offering a balance of power and efficiency.
| Specification | Details |
|---|---|
| Engine Type | Inline 6-cylinder |
| Displacement | 2.5 liters (M54B25) |
| Power Output | 184 hp (137 kW) at 6,000 RPM |
| Torque | 175 lb-ft (237 Nm) at 3,500 RPM |
| Compression Ratio | 10.5:1 |
| Fuel System | Electronic fuel injection |
| Fuel Type | Premium unleaded (91 octane or higher) |
| Transmission Options | 5-speed manual or 5-speed automatic |
| 0-60 mph | 6.9 seconds (manual) |
| Top Speed | 140 mph (225 km/h) |
Engine Configuration
The engine configuration of the 2002 BMW 325Ci is designed for performance and efficiency. The inline 6-cylinder engine layout is known for its smooth operation and balanced power delivery.
Key Features of the Engine Configuration
- Inline 6-cylinder Design: This configuration provides a smooth power band and excellent balance.
- Aluminum Block and Head: The use of aluminum reduces weight while maintaining structural integrity.
- Double Vanos System: This variable valve timing system enhances both performance and fuel efficiency.
- DOHC (Dual Overhead Camshafts): This design allows for better airflow and improved performance at higher RPMs.
- Integrated Oil Cooler: Helps maintain optimal engine temperature during operation.
Engine Oil Specifications
Proper engine oil is crucial for the longevity and performance of the BMW 325Ci. The recommended oil specifications ensure that the engine operates smoothly and efficiently.
Recommended Engine Oil
- Viscosity: 5W-30 or 10W-40
- Oil Type: Synthetic or synthetic blend
- API Rating: API SL or higher
Oil Capacity
The engine oil capacity for the 2002 BMW 325Ci is approximately 6.5 quarts (6.2 liters) when using a standard oil filter.
Service Intervals
Regular maintenance is essential to keep the 2002 BMW 325Ci running at its best. The following service intervals are recommended for oil changes and general maintenance.
Oil Change Intervals
- Every 7,500 miles (12,000 km): For normal driving conditions.
- Every 5,000 miles (8,000 km): For severe driving conditions (frequent short trips, heavy traffic, towing).
General Maintenance Schedule
The following maintenance tasks should be performed at regular intervals to ensure the vehicle remains in optimal condition:
- Air Filter Replacement: Every 15,000 miles (24,000 km).
- Fuel Filter Replacement: Every 30,000 miles (48,000 km).
- Spark Plug Replacement: Every 60,000 miles (96,000 km).
- Brake Fluid Replacement: Every 2 years.
- Coolant Replacement: Every 2 years or 30,000 miles (48,000 km).
Conclusion
The 2002 BMW 325Ci is a well-rounded vehicle that combines performance, luxury, and reliability. Understanding its engine specifications, configuration, oil requirements, and service intervals is essential for maintaining its performance and longevity. Regular maintenance and the use of high-quality engine oil will ensure that this classic BMW continues to provide an enjoyable driving experience for years to come.
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