2011 BMW 128i Engine Specifications
The 2011 BMW 128i is a compact luxury coupe that combines sportiness with everyday usability. The engine is a key component of its performance, and understanding its specifications is essential for enthusiasts and potential buyers alike. Below are the detailed engine specifications for the 2011 BMW 128i.
| Specification | Details |
|---|---|
| Engine Type | Inline 6-cylinder |
| Displacement | 3.0 liters (182 cubic inches) |
| Horsepower | 230 hp @ 6,500 rpm |
| Torque | 200 lb-ft @ 2,750 rpm |
| Compression Ratio | 10.7:1 |
| Fuel System | Electronic fuel injection |
| Fuel Type | Premium unleaded (91 octane recommended) |
| Transmission Options | 6-speed manual or 6-speed automatic |
| Drivetrain | Rear-wheel drive (RWD) |
Engine Configuration
The engine configuration of the 2011 BMW 128i is designed to deliver a balance of power and efficiency. Here are some key aspects of its engine configuration:
Inline 6-Cylinder Design
– The inline 6-cylinder engine is known for its smooth operation and high power output.
– This configuration allows for better weight distribution, contributing to the vehicle’s handling characteristics.
Performance Features
– Dual overhead camshafts (DOHC) enhance performance and efficiency.
– Variable valve timing (VVT) optimizes power delivery across the engine’s RPM range.
Engine Dimensions
– Length: Approximately 24.5 inches
– Width: Approximately 27.5 inches
– Height: Approximately 22.5 inches
Engine Oil Specifications
Proper engine oil is crucial for maintaining the performance and longevity of the 2011 BMW 128i’s engine. Below are the recommended engine oil specifications.
| Specification | Details |
|---|---|
| Oil Type | Synthetic oil recommended |
| Viscosity Grade | 5W-30 |
| Oil Capacity (with filter) | 6.9 quarts (6.5 liters) |
| Oil Change Interval | Every 15,000 miles or 12 months, whichever comes first |
Service Intervals
Regular maintenance is essential for the optimal performance of the 2011 BMW 128i. Below are the recommended service intervals for various maintenance tasks.
Oil Change
– Frequency: Every 15,000 miles or 12 months
– Importance: Ensures proper lubrication and engine performance.
Air Filter Replacement
– Frequency: Every 30,000 miles
– Importance: Maintains airflow and engine efficiency.
Fuel Filter Replacement
– Frequency: Every 60,000 miles
– Importance: Ensures clean fuel delivery to the engine.
Spark Plug Replacement
– Frequency: Every 60,000 miles
– Importance: Ensures efficient combustion and engine performance.
Brake Fluid Replacement
– Frequency: Every 2 years
– Importance: Maintains brake system performance and safety.
Coolant Replacement
– Frequency: Every 4 years
– Importance: Prevents overheating and protects engine components.
Conclusion
The 2011 BMW 128i is a well-engineered vehicle that offers a blend of performance, luxury, and practicality. Understanding its engine specifications, configuration, oil requirements, and service intervals is vital for maintaining its performance and longevity. Regular maintenance not only enhances the driving experience but also ensures that the vehicle remains in optimal condition for years to come. Whether you are a current owner or considering purchasing one, being informed about these aspects will help you make the most of your BMW 128i experience.
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