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
6114 Power Distribution, Power Connection Points
61 14 POWER DISTRIBUTION, POWER CONNECTION POINTS - TIGHTENING TORQUE SPECIFICATIONS (I01, I12, I15)
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Positive terminal battery cable to multi fuse B+ power distribution | I01/I12/I15 | M8 | 15 Nm | |
| 2AZ Positive terminal battery cable to multi fuse B+ power distribution Positive power feed to power distribution box |
I01/I12/I15 | M6 | 8 Nm | |
| 3AZ Power distribution box, front to holder | I01 | 2.5 Nm | ||
| I12/I15 | 2.3 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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