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
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | N/A | N/A | Refrigerant oil 1 | BMW Part No. 81 22 9 407 724. This oil (Refrigerant oil 1) may not be mixed with refrigerant oil Sanden SP-A2. | S | ||
| Air Cond Refrigerant | w/Heat Pump | 2.14 LBS. | 0.97 KG | R-134a Part No. 83 19 9 408 386. R1234yf Part No. 83 19 2 354 790 | The nameplate in the engine compartment indicates which refrigerant has been used. | S | |
| Air Cond Refrigerant | w/o Heat Pump | 1.65 LBS. | 0.74 KG | R-134a Part No. 83 19 9 408 386. R1234yf Part No. 83 19 2 354 790 | The nameplate in the engine compartment indicates which refrigerant has been used. | S | |
| Automatic Transmission Fluid | 0.53 QTS. | 0.5 L | Hypoid Axle Oil G3 (Fuchs Titan EG 4218) | S | |||
| Brake Fluid | N/A | N/A | BMW Brake Fluid DOT 4 with low viscosity | S | |||
| Engine Coolant | 8.67 QTS. | 8.2 L | Frostox HT-12 antifreeze and corrosion inhibitor | S | |||
| Engine Oil | w/Filter | 2.75 QTS. | 2.6 L | BMW TwinPower Turbo SAE 0W-30 | S | ||
| Windshield Washer Fluid | N/A | N/A | Fill with water and - if required - with a washer antifreeze (according to manufacturer's recommendations). Mix the washer fluid before adding it to the reservoir. | S | |||
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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