BMW E90 325i Engine Specifications
The BMW E90 325i is part of the BMW 3 Series, which is renowned for its performance, luxury, and engineering excellence. The E90 model, produced between 2005 and 2013, features a range of engine specifications that contribute to its reputation as a well-rounded vehicle. Below are the detailed engine specifications for the BMW E90 325i.
| Specification | Details |
|---|---|
| Engine Type | Inline 6-cylinder |
| Displacement | 2.5 liters (2497 cc) |
| Power Output | 143 kW (190 hp) at 6,000 rpm |
| Torque | 245 Nm (181 lb-ft) at 2,750 rpm |
| Compression Ratio | 12.0:1 |
| Fuel System | Electronic fuel injection |
| Fuel Type | Premium unleaded (91 octane or higher) |
| Transmission Options | 6-speed manual or 6-speed automatic |
| 0-60 mph | 6.6 seconds |
| Top Speed | 250 km/h (155 mph) – electronically limited |
Engine Configuration
The engine configuration of the BMW E90 325i is characterized by its inline 6-cylinder layout, which is known for providing a smooth and balanced performance. This configuration allows for better weight distribution and contributes to the vehicle’s handling characteristics. Below are some key aspects of the engine configuration:
Key Features
- Inline 6-Cylinder Design: This design is favored for its smoothness and power delivery.
- Aluminum Engine Block: The use of aluminum helps reduce weight while maintaining strength.
- DOHC (Double Overhead Camshaft): This design allows for better airflow and improved performance at higher RPMs.
- Variable Valve Timing: The engine is equipped with BMW’s Valvetronic system, which optimizes the air intake for better efficiency and power.
Engine Oil Specifications & Service Intervals
Proper maintenance of the engine oil is crucial for the longevity and performance of the BMW E90 325i. Understanding the recommended oil specifications and service intervals is essential for any owner or enthusiast.
Engine Oil Specifications
| Specification | Details |
|---|---|
| Oil Type | Synthetic oil |
| Viscosity Rating | 5W-30 or 0W-40 |
| Oil Capacity | 6.5 liters (including oil filter) |
| Oil Change Interval | Every 15,000 km (9,300 miles) or 12 months, whichever comes first |
Service Intervals
The service intervals for the BMW E90 325i are designed to ensure optimal performance and reliability. Below are the recommended service intervals:
- Oil Change: Every 15,000 km (9,300 miles) or 12 months.
- Air Filter Replacement: Every 30,000 km (18,600 miles).
- Fuel Filter Replacement: Every 60,000 km (37,300 miles).
- Spark Plug Replacement: Every 100,000 km (62,000 miles).
- Brake Fluid Change: Every 2 years.
Conclusion
The BMW E90 325i stands out as a remarkable vehicle, combining performance, luxury, and engineering prowess. With its inline 6-cylinder engine configuration, precise specifications, and well-defined service intervals, it offers a driving experience that is both enjoyable and reliable. Regular maintenance, particularly concerning engine oil and service intervals, ensures that the E90 325i continues to perform at its best for years to come. Whether you’re a current owner or considering purchasing one, understanding these aspects is vital for maximizing the potential of this iconic BMW model.
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