2005 BMW 325i Engine Specifications
The 2005 BMW 325i is part of the E90 series and is known for its balance of performance and luxury. The engine specifications are crucial for understanding the vehicle’s capabilities and maintenance needs. Below is a detailed overview of the engine specifications for the 2005 BMW 325i.
| Specification | Details |
|---|---|
| Engine Type | Inline-6 |
| Displacement | 2.5 liters (152 cubic inches) |
| Power Output | 184 hp at 6,000 rpm |
| Torque | 175 lb-ft at 3,500 rpm |
| Compression Ratio | 10.5:1 |
| Fuel System | Electronic Fuel Injection |
| 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 2005 BMW 325i is designed for optimal performance and efficiency. Understanding the layout and components can help in both maintenance and performance tuning.
Engine Layout
– Type: Inline-6
– Valvetrain: DOHC (Dual Overhead Cam)
– Valves: 24 valves (4 per cylinder)
– Bore x Stroke: 3.0 in x 3.3 in (76 mm x 83 mm)
Performance Features
– Variable Valve Timing: The engine is equipped with BMW’s Valvetronic system, which allows for variable valve lift, enhancing both performance and fuel efficiency.
– Engine Management: The engine utilizes advanced electronic management systems for optimal fuel delivery and ignition timing.
Engine Oil Specifications
Proper engine oil is essential for the longevity and performance of the 2005 BMW 325i. The following specifications outline the recommended oil types and service intervals.
Recommended Engine Oil
– Oil Type: Synthetic oil is recommended for optimal performance.
– Viscosity Rating: 5W-30 or 0W-40, depending on the climate and driving conditions.
Oil Capacity
– Oil Capacity (with filter): Approximately 6.9 quarts (6.5 liters)
Service Intervals
Regular maintenance is key to ensuring the engine operates smoothly. The following service intervals are recommended for the 2005 BMW 325i:
Oil Change Intervals
– Every 7,500 miles or 12 months , whichever comes first.
Additional Maintenance Tasks
– Air Filter Replacement: Every 30,000 miles
– Fuel Filter Replacement: Every 60,000 miles
– Spark Plug Replacement: Every 100,000 miles
– Coolant Flush: Every 2 years or 30,000 miles
Conclusion
The 2005 BMW 325i combines a robust engine with sophisticated engineering, making it a popular choice among enthusiasts and everyday drivers alike. Understanding the engine specifications, configuration, and maintenance requirements is essential for maximizing the vehicle’s performance and longevity. By adhering to the recommended oil specifications and service intervals, owners can ensure their BMW 325i remains in excellent condition for years to come.
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