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Engine oil change (Oil & Filter)

Routine oil service to protect the BP engine and maintain hydraulic lifter performance.

Difficulty
Beginner
★★☆☆☆
Est. Time
45-60 min
Models
NB1 & NB2
Last Updated
2026-02-26

Before You Start

Work on a level surface and ensure the engine is warm, not hot. A warm engine drains faster and carries more contaminants out with the old oil.

Required Tools

  • 14 mm socket and ratchet
  • Oil filter wrench
  • Drain pan (at least 6 L)
  • Funnel

Required Materials

  • 4.0 L engine oil (5W-30 is common for most climates)
  • Replacement oil filter
  • New sump plug washer

Step-by-Step

1. Raise and secure the front of the car

Use ramps or a jack and stands on stable points. Confirm the car is stable before getting underneath.

2. Drain the old oil

Place the drain pan under the sump plug, remove the plug, and allow oil to drain fully.

Warning: oil may still be hot enough to burn skin.

3. Replace the filter

Remove the old filter, wipe the sealing surface, lightly oil the new filter gasket, and install hand-tight.

4. Reinstall the sump plug

Fit a new crush washer and tighten the sump plug to specification.

Torque spec: 30-40 Nm

5. Refill and verify

Refill with fresh oil, start the engine for 20-30 seconds, then check for leaks. Stop the engine, wait 5 minutes, and set the final oil level at the dipstick.

Post-Service Checklist

  • Confirm no leaks at filter and drain plug
  • Confirm oil level at full mark
  • Reset your service reminder or log mileage