BMW E36 325i Engine Specifications
The BMW E36 325i, part of the iconic 3 Series, is celebrated for its blend of performance, comfort, and engineering excellence. The E36 generation was produced from 1990 to 1999, and the 325i variant is particularly noted for its robust engine and driving dynamics.
Engine Overview
The E36 325i is powered by a straight-six engine, known for its smooth operation and strong performance characteristics. Below are the detailed specifications of the engine.
| Specification | Details |
|---|---|
| Engine Type | Inline 6-cylinder |
| Displacement | 2.5 liters (2494 cc) |
| Power Output | 189 hp (141 kW) at 5,800 rpm |
| Torque | 181 lb-ft (245 Nm) at 4,200 rpm |
| Compression Ratio | 10.5:1 |
| Fuel System | Multi-point fuel injection |
| Fuel Type | Premium unleaded (91 octane or higher) |
| Transmission Options | 5-speed manual or 4-speed automatic |
| 0-60 mph | 6.9 seconds |
| Top Speed | 140 mph (225 km/h) |
Engine Configuration
The engine configuration of the BMW E36 325i is a key factor in its performance and driving experience. The inline-six layout is known for its balance and smoothness, which contributes to the car’s refined handling and acceleration.
Key Features of the Engine Configuration
- Smooth Operation: The inline-six design minimizes vibrations, resulting in a more comfortable ride.
- Power Delivery: The engine provides a strong power band, making it suitable for both city driving and highway cruising.
- Durability: BMW’s engineering ensures that the engine is built to last, with high-quality materials and construction.
- Performance Tuning: The engine can be easily tuned for enhanced performance, making it popular among car enthusiasts.
Engine Oil Specifications
Proper maintenance of the engine oil is crucial for the longevity and performance of the BMW E36 325i. The choice of oil and adherence to service intervals can significantly impact engine health.
Recommended Engine Oil
The recommended engine oil for the BMW E36 325i is synthetic oil, which provides better protection and performance compared to conventional oils.
- Oil Type: Fully synthetic oil
- Viscosity Rating: 5W-30 or 10W-40
- API Rating: API SN or higher
Oil Capacity
The engine oil capacity for the BMW E36 325i is approximately 6.5 quarts (6.2 liters) when including the oil filter.
Service Intervals
Regular maintenance is essential for the performance and reliability of the BMW E36 325i. Adhering to the recommended service intervals will help ensure that the engine remains in optimal condition.
Oil Change Intervals
The recommended oil change intervals for the BMW E36 325i are as follows:
- Every 7,500 miles (12,000 km) or 12 months, whichever comes first.
- Severe Driving Conditions: If the vehicle is frequently driven in severe conditions (e.g., extreme temperatures, heavy traffic, towing), consider changing the oil every 5,000 miles (8,000 km).
Additional Maintenance Recommendations
In addition to regular oil changes, the following maintenance tasks should be performed at specified intervals:
- Air Filter Replacement: Every 15,000 miles (24,000 km).
- Fuel Filter Replacement: Every 30,000 miles (48,000 km).
- Spark Plug Replacement: Every 30,000 miles (48,000 km).
- Coolant Flush: Every 2 years or 30,000 miles (48,000 km).
- Transmission Fluid Change: Every 30,000 miles (48,000 km).
Conclusion
The BMW E36 325i is a remarkable vehicle that combines performance, comfort, and engineering prowess. Understanding the engine specifications, configuration, oil requirements, and service intervals is essential for maintaining the vehicle’s performance and longevity. By adhering to these guidelines, owners can ensure that their E36 325i continues to deliver an enjoyable driving experience for years to come.
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