2003 BMW 330xi Engine Specifications

The 2003 BMW 330xi is part of the E46 generation of the 3 Series and is known for its balanced performance and luxury features. The engine specifications of the 330xi are crucial for understanding its capabilities and maintenance requirements. Below is a detailed overview of the engine specifications.

Specification Details
Engine Type Inline-6
Displacement 3.0 liters (2990 cc)
Power Output 225 hp @ 5,900 rpm
Torque 214 lb-ft @ 3,500 rpm
Compression Ratio 10.2:1
Fuel System Electronic Fuel Injection (EFI)
Fuel Type Premium unleaded (91 octane or higher)
Valvetrain DOHC, 24 valves
Engine Block Material Aluminum
Engine Head Material Aluminum

Engine Configuration

The engine configuration of the 2003 BMW 330xi is designed to provide a smooth and powerful driving experience. The inline-6 layout is known for its balance and refinement. Below are some key aspects of the engine configuration:

Key Features

  • Inline-6 Design: The inline-6 configuration allows for a more balanced engine, reducing vibrations and enhancing smoothness.
  • Double Overhead Camshaft (DOHC): This design improves airflow and efficiency by allowing for better control of the intake and exhaust valves.
  • Variable Valve Timing: The engine utilizes BMW’s Valvetronic system, which optimizes performance and fuel efficiency across various RPM ranges.
  • Aluminum Construction: Both the engine block and head are made from aluminum, contributing to a lighter overall weight and improved thermal efficiency.

Engine Oil Specifications & Service Intervals

Proper maintenance of the engine oil is essential for the longevity and performance of the 2003 BMW 330xi. Below are the recommended engine oil specifications and service intervals.

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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 Filter Part Number BMW 11427512323

Service Intervals

  • Oil Change Interval: Every 7,500 miles or 12 months, whichever comes first.
  • Inspection Interval: Every 15,000 miles or 24 months, including a thorough check of the engine oil level and condition.
  • Oil Filter Replacement: Recommended with every oil change to ensure optimal filtration.
  • Additional Maintenance: Regularly check for oil leaks and monitor oil levels between changes.

Conclusion

The 2003 BMW 330xi combines a powerful inline-6 engine with advanced technology and high-quality materials, making it a desirable choice for enthusiasts and everyday drivers alike. Understanding the engine specifications, configuration, and maintenance requirements is essential for ensuring the vehicle performs at its best. Regular oil changes and adherence to service intervals will help maintain the engine’s performance and longevity, allowing drivers to enjoy the dynamic driving experience that BMW is known for.

Categories: BMW

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