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Best oil for BMW E46 316i (N45B16) engine

Recommended oil specifications for N45B16 engine:

• Viscosity: 5W-30 or 0W-30
• Quality Standard: BMW Longlife-01 or ACEA A3/B3

Top oil recommendations:

• BMW TwinPower Turbo Longlife-01 5W-30
• Castrol Edge Professional Longlife III 5W-30
• Mobil 1 ESP 5W-30
• Liqui Moly Special Tec LL 5W-30
• Shell Helix Ultra Professional AF-L 5W-30

Oil change interval: Every 15,000 km or annually, whichever comes first.

Note: The N45B16 engine benefits from synthetic oils. Ensure to use oil meeting BMW Longlife-01 specification for optimal performance.