BMW B46 Engine Specifications
The BMW B46 engine is part of the BMW modular engine family, which includes a range of inline four-cylinder engines designed for various models. This engine is known for its balance of performance and efficiency, making it a popular choice in several BMW vehicles.
Engine Specifications Chart
| Specification | Details |
|---|---|
| Engine Type | Inline 4-cylinder |
| Displacement | 1998 cc (2.0 L) |
| Power Output | 154 hp (115 kW) @ 5000-6000 rpm |
| Torque | 240 Nm @ 1380-4200 rpm |
| Compression Ratio | 10.2:1 |
| Fuel System | Direct injection |
| Turbocharged | Yes |
| Fuel Type | Premium unleaded (RON 95) |
| Transmission Options | 6-speed manual, 8-speed automatic |
| Vehicle Applications | BMW 2 Series, 3 Series, 4 Series, X1, and X2 |
Engine Configuration
The BMW B46 engine features a compact and efficient design, making it suitable for a variety of applications. Here are some key aspects of its configuration:
Key Features
- Inline 4-cylinder layout for improved balance and reduced vibrations.
- Turbocharged for enhanced power delivery and efficiency.
- Direct fuel injection system for optimal combustion and lower emissions.
- Lightweight aluminum construction to reduce overall vehicle weight.
Performance Characteristics
The B46 engine is designed to deliver a blend of performance and fuel efficiency. Its turbocharged configuration allows for quick acceleration while maintaining respectable fuel economy figures. The engine is capable of propelling vehicles from 0 to 60 mph in approximately 6.5 seconds, depending on the model and configuration.
Engine Oil Specifications
Proper engine oil is crucial for maintaining the performance and longevity of the BMW B46 engine. Here are the recommended oil specifications:
Oil Specifications Chart
| Specification | Details |
|---|---|
| Oil Type | Synthetic oil |
| Viscosity Rating | 0W-30 or 5W-30 |
| Oil Capacity | 5.5 liters (including filter) |
| Oil Change Interval | 10,000 km or 12 months (whichever comes first) |
Service Intervals
Regular maintenance is essential for keeping the BMW B46 engine running smoothly. Below are the recommended service intervals:
Maintenance Schedule
- Oil Change: Every 10,000 km or 12 months.
- Air Filter Replacement: Every 30,000 km.
- Fuel Filter Replacement: Every 60,000 km.
- Spark Plug Replacement: Every 60,000 km.
- Coolant Flush: Every 2 years.
- Transmission Fluid Change: Every 60,000 km.
Importance of Regular Maintenance
Regular maintenance not only ensures optimal performance but also extends the lifespan of the engine. Adhering to the recommended service intervals helps prevent potential issues and keeps the engine running efficiently.
Conclusion
The BMW B46 engine is a well-engineered powerplant that combines performance, efficiency, and reliability. With its advanced features and specifications, it serves as a strong foundation for various BMW models. Understanding the engine’s configuration, oil specifications, and service intervals is crucial for any BMW owner looking to maintain their vehicle in peak condition. By following the recommended maintenance schedule, owners can enjoy the performance and longevity that the B46 engine has to offer.
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