Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2021 BMW i3 Range ExtenderFACTORY OEM SERVICE PROCEDURE

1113 Oil Pan

11 13 OIL PAN - TIGHTENING TORQUE SPECIFICATIONS

	Type	Thread	Tightening specifications	Dimension
1AZ Oil pan (aluminum) to crankcase lower section	W20	M6x25		10 Nm
2AZ Oil drain plug to crankcase, lower part	W20	M16x1.5	Replace the sealing ring.	28 Nm

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.

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