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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSBMW2021I3 RANGE EXTENDERREPAIR AND DIAGNOSISGENERAL INFORMATIONOEM GENERAL INFORMATIONGENERAL ORPHAN DATAINSTALL RANGE EXTENDER ELECTRICAL MACHINE ELECTRONICS (REME)
2021 BMW i3 Range Extender
Install range extender electrical machine electronics (REME)
2021 BMW i3 Range ExtenderSECTION Install range extender electrical machine electronics (REME)
- Insert the range extender electrical machine electronics (REME) (3).
- Tighten the screws (1) and the nut (2).
- Connect and lock the coolant hoses (3).
WARNING:
DANGER
Potential equalization in high-voltage system .
Mortal hazard if the potential equalization screw connection is not correct!
Potential equalization in high-voltage system .
Mortal hazard if the potential equalization screw connection is not correct!
- Observe the safety requirements for potential equalization screw connection.
- Clean contact faces and have then checked by a second person.
- Tighten the screws/nuts for equipotential bonding with torque; have a second person check the torque.
- Correct execution of this work must be documented by both persons in the vehicle records.
- Position the potential equalization line (2) and tighten the screw (1).
- Connect and lock the high-voltage cable connector (6).
- Attach the high-voltage cable in the clamps (5).
- Connect and lock the signal connector (4).
- Connect the high-voltage connector (3) to the range extender electrical machine electronics (REME).
- Tighten screws (2).
- Connect and lock the high-voltage safety plugs (1).
- Insert the heat shield (2).
- Tighten the screws (1) the heat shield.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.