BMW S65 Engine Specifications
The BMW S65 engine is a high-performance V8 engine that has garnered attention for its impressive specifications and capabilities. This engine is primarily known for powering the BMW M3 (E92) from 2007 to 2013, delivering an exhilarating driving experience. Below are the detailed specifications of the S65 engine.
| Specification | Details |
|---|---|
| Engine Type | V8, naturally aspirated |
| Displacement | 4.0 liters (3999 cc) |
| Bore x Stroke | 92.0 mm x 75.2 mm |
| Compression Ratio | 12.0:1 |
| Max Power | 420 hp (309 kW) at 8,300 rpm |
| Max Torque | 400 Nm (295 lb-ft) at 3,900 rpm |
| Fuel System | Multi-point fuel injection |
| Valvetrain | DOHC, 4 valves per cylinder |
| Weight | Approx. 202 kg (445 lbs) |
| Oil Capacity | Approx. 10 liters (10.6 quarts) |
Engine Configuration
The S65 engine is designed with a V8 configuration, which is characterized by the following features:
- V8 Layout: The engine consists of eight cylinders arranged in a V formation, providing a balance of power and smooth operation.
- High Revving: The S65 is known for its high-revving capabilities, reaching a maximum engine speed of 8,400 rpm, which enhances its performance characteristics.
- Aluminum Construction: The engine block is made from aluminum, contributing to a lighter overall weight and improved handling dynamics.
- Dry Sump Lubrication: The S65 utilizes a dry sump lubrication system, which helps maintain oil pressure during high-performance driving and reduces the risk of oil starvation.
- Variable Valve Timing: BMW’s Valvetronic system allows for precise control of the intake valves, optimizing performance and efficiency across a range of engine speeds.
Engine Oil Specifications
Proper lubrication is crucial for maintaining the performance and longevity of the BMW S65 engine. Here are the recommended engine oil specifications:
| Specification | Details |
|---|---|
| Oil Type | Synthetic oil |
| Viscosity Grade | SAE 10W-60 |
| Oil Capacity | Approx. 10 liters (10.6 quarts) |
| Oil Change Interval | Every 15,000 km (9,300 miles) or annually |
Service Intervals
Regular maintenance is essential to ensure the S65 engine operates at its best. Below are the recommended service intervals for the BMW S65 engine:
- Oil Change: Every 15,000 km (9,300 miles) or annually, whichever comes first.
- 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 (62,100 miles).
- Coolant Replacement: Every 4 years or 60,000 km (37,300 miles).
- Brake Fluid Replacement: Every 2 years.
Conclusion
The BMW S65 engine is a remarkable piece of engineering that combines power, precision, and performance. With its V8 configuration, high-revving capabilities, and advanced technologies, it has made a significant impact in the world of high-performance vehicles. Regular maintenance and adherence to oil specifications are crucial for ensuring the longevity and reliability of this engine. Whether on the road or the track, the S65 continues to deliver an exhilarating driving experience for enthusiasts around the globe.
0 Comments