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
Removing and installing (replacing) charging interface module control unit
WARNING:
High-voltage system - mortal hazard!Β
The following points must be strictly observed prior to starting work:Β
DE-ENERGIZE THE HIGH-VOLTAGE SYSTEMΒ
Observe SAFETY INSTRUCTIONS ON HANDLING HYBRID OR ELECTRIC VEHICLESΒ
The following points must be strictly observed prior to starting work:Β
DE-ENERGIZE THE HIGH-VOLTAGE SYSTEMΒ
Observe SAFETY INSTRUCTIONS ON HANDLING HYBRID OR ELECTRIC VEHICLESΒ
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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