Vehicle database
BMW i4
G26 / 2023-2024 / 4-door liftback / 4-Door Liftback
Global (North America, Europe, China)Global (with regional variations)Coverage: expanded
Year and trim selector
Choose the exact year and trim to see engine, oil and service details.
2023 BMW i4 S58TF/S58T (G26)
G26 / S58TF, S58T, S58T0 / Electric motors paired with lithium-ion battery packs; variations by market include different electric motor configurations for rear-wheel and all-wheel drive models.
GoldOpen details
Oil type: Brake fluid: BMW Special Fluid DOT 4; Electric drive components maintenance per BMW service guidelinesOil capacity: N/A - no engine oilRelated: FW12345EFI, ELEC2023I4
2024 BMW i4 S58B30G (for i4 M50), eDrive (electric motor codes vary by market) (G26)
G26 / S58B30G (for i4 M50), eDrive (electric motor codes vary by market) / Fully electric powertrain with dual-motor all-wheel-drive in M50 variant, and single motor rear-wheel-drive in eDrive40 variant. Battery pack approx. 81 kWh usable capacity.
GoldOpen details
Oil type: Electric motor and gearbox use factory sealed lubricants, no regular oil serviceOil capacity: Not applicable; electric motor gearbox lubrication sealed for lifeRelated: S58B30G for M50 variant, Electric motor designations vary
Engine codes by year
| Year | Trim | Engine codes | Displacement | Fuel system |
|---|---|---|---|---|
| 2023 | technical-profile | S58TF, S58T, S58T0 | Electric motor; battery pack capacity 83.9 kWh (gross), usable 80.7 kWh | Battery electric vehicle (BEV) with regenerative braking |
| 2024 | technical-profile | S58B30G (for i4 M50), eDrive (electric motor codes vary by market) | N/A (electric motor) | Electric drivetrain; no traditional fuel system |
Oil capacity by engine
| Year | Engine codes | Oil type | Oil capacity | Fluid |
|---|---|---|---|---|
| 2023 | S58TF, S58T, S58T0 | Brake fluid: BMW Special Fluid DOT 4; Electric drive components maintenance per BMW service guidelines | N/A - no engine oil | Specified electric drive unit lubricant; follow BMW service manual |
| 2024 | S58B30G (for i4 M50), eDrive (electric motor codes vary by market) | Electric motor and gearbox use factory sealed lubricants, no regular oil service | Not applicable; electric motor gearbox lubrication sealed for life | Specialized e-drive transmission fluid, factory fill and sealed |
Technical specifications
- Engines: S58TF, S58T, S58T0, S58B30G (for i4 M50), eDrive (electric motor codes vary by market)
- Transmissions: None; single-speed automatic reduction gear, N/A - electric drive with fixed gear ratio, Specified electric drive unit lubricant; follow BMW service manual, None; single-speed reduction gear, Single-speed fixed gear reduction, Specialized e-drive transmission fluid, factory fill and sealed
- Tire sizes: 245/40R19, 255/35R20, 275/35R20, Front: 225/45R18, Rear: 255/40R18 (varies by trim and market)
- Bolt pattern: Verify by exact trim and wheel package
- Wheel torque: Verify by VIN and wheel package
- Battery: Verify by engine, market and equipment package
Fluids and service data
- Engine oil: Brake fluid: BMW Special Fluid DOT 4; Electric drive components maintenance per BMW service guidelines / Electric motor and gearbox use factory sealed lubricants, no regular oil service
- Transmission fluid: Specified electric drive unit lubricant; follow BMW service manual / Specialized e-drive transmission fluid, factory fill and sealed
- Coolant: Approx. 5.5 liters (coolant circuit for battery and motor thermal management, market dependent) / Approx. 5-6 liters for thermal management system (varies by market/spec)
- Brake fluid: BMW Special Fluid DOT 4, change every 2 years / DOT 4 hydraulic brake fluid, service per interval; quantity ~0.5 liters
Known problems
- Battery degradation potential with age
- High voltage system cooling issues (rare)
- Battery degradation over long term usage (typical of EVs)
- Potential software updates required for thermal management