Best oil for BMW E46 318i (N42B18) engine

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Best oil for BMW E46 318i (N42B18) engine

Recommended oil specifications for N42B18 engine:

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

Top oil recommendations:

• Castrol Edge 0W-30
• Mobil 1 0W-40 European Car Formula
• Liqui Moly Top Tec 4100 5W-40
• Shell Helix Ultra 5W-40
• Valvoline SynPower 5W-30

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

Note: The N42B18 engine is sensitive to oil quality. Always use a high-quality oil filter and follow proper oil change procedures.