BMW i4 2022-present Electrical Specifications
Detailed technical specifications for the electrical system of the 2022-Present BMW i4, including high-voltage components, charging infrastructure, and onboard electronics. Essential for technicians and enthusiasts.
Overview Specifications
Comprehensive description of the electrical specifications for the 2022-Present BMW i4, including key features, measurements, and technical details
How to Use
Use the search function to locate specific electrical specifications by entering keywords such as 'battery capacity', 'charging voltage', or 'motor power'.
Navigate through the electrical documentation sections using the table of contents or by scrolling through the document. Each section is clearly labeled for easy access.
Key Specifications
Battery Capacity
83.9 kWh
Motor Power
250 kW (335 hp)
Charging Power (DC)
Up to 200 kW
Range
Up to 590 km (WLTP)
Top Speed
190 km/h
Available Specifications
High-Voltage Battery System
Detailed information about the high-voltage battery system, including capacity, voltage, and charging specifications
High-Voltage Battery System
Detailed information about the high-voltage battery system, including capacity, voltage, and charging specifications
Battery Capacity and Voltage
- Nominal capacity: 83.9 kWh
- Operating voltage: 350 V
- Energy density: 154 Wh/kg
- Battery type: Lithium-ion
- Cooling system: Liquid-cooled
Charging Specifications
- AC charging power: Up to 11 kW
- DC fast charging power: Up to 200 kW
- Charging time (10-80%): Approximately 31 minutes (DC fast charging)
- Charging port type: CCS Combo 2
- Onboard charger: 11 kW single-phase
Note: Charging times may vary based on external conditions and charging infrastructure.
Electric Drive Unit
Technical details about the electric drive unit, including motor specifications and performance metrics
Electric Drive Unit
Technical details about the electric drive unit, including motor specifications and performance metrics
Motor Specifications
- Motor type: Permanent magnet synchronous motor
- Maximum power: 250 kW (335 hp)
- Maximum torque: 430 Nm
- Efficiency: Up to 93%
- Cooling system: Liquid-cooled
Performance Metrics
- 0-100 km/h acceleration: 5.7 seconds (eDrive40 model)
- Top speed: 190 km/h (electronically limited)
- Range: Up to 590 km (WLTP)
- Regenerative braking: Up to 195 kW
- Drive configuration: Rear-wheel drive
Electrical Architecture
Overview of the vehicle's electrical architecture, including control units and wiring systems
Electrical Architecture
Overview of the vehicle's electrical architecture, including control units and wiring systems
Control Units
- Integrated Power Electronics: Combines inverter, DC-DC converter, and charging module
- Battery Management System (BMS): Monitors and manages battery performance
- Vehicle Control Unit (VCU): Centralized control for all electrical systems
- Thermal Management System: Regulates temperature for battery and motor
Wiring and Connectivity
- High-voltage wiring: Shielded and insulated for safety
- CAN bus system: Facilitates communication between control units
- Ethernet backbone: High-speed data transfer for infotainment and driver assistance systems
- Fuse box: Centralized protection for electrical circuits
Note: All high-voltage components are designed to meet ISO 26262 functional safety standards.
Infotainment and Connectivity
Details about the infotainment system, connectivity features, and electrical interfaces
Infotainment and Connectivity
Details about the infotainment system, connectivity features, and electrical interfaces
Infotainment System
- Display: 14.9-inch curved touchscreen
- Operating system: BMW Operating System 8
- Navigation: Real-time traffic updates and route planning
- Audio system: Harman Kardon surround sound with 16 speakers
- Wireless connectivity: Apple CarPlay and Android Auto
Connectivity Features
- 5G compatibility: High-speed internet access
- Wi-Fi hotspot: Supports up to 10 devices
- OTA updates: Over-the-air software updates for vehicle systems
- Digital Key: Smartphone-based key functionality
- Voice control: BMW Intelligent Personal Assistant
Search Specifications
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Component Specifications
Battery System
- Type
- Lithium-ion
- Capacity
- 83.9 kWh
- Nominal Voltage
- 350 V
- Operating Temperature Range
- -20°C to 50°C
- Charging Cycles
- 2000 cycles at 80% capacity retention
- Part Number
- 61 21 5 A0A 123
Charging System
- Ac Charging Power
- 11 kW
- Dc Charging Power
- 200 kW
- Charging Time 10 80
- 31 minutes (DC fast charging)
- Charging Connector Type
- CCS Combo 2
- Part Number
- 61 31 5 A0A 456
Electric Motor
- Type
- Permanent Magnet Synchronous Motor
- Max Power
- 250 kW
- Max Torque
- 430 Nm
- Efficiency
- 93%
- Cooling System
- Liquid-cooled
- Part Number
- 61 41 5 A0A 789
Power Electronics
- inverter Type
- Silicon Carbide (SiC)
- Max Output Current
- 600 A
- Switching Frequency
- 20 kHz
- Cooling System
- Liquid-cooled
- Part Number
- 61 51 5 A0A 012
High Voltage Cabling
- Cable Type
- Shielded high-voltage cable
- Voltage Rating
- 600 V
- Current Rating
- 400 A
- insulation Material
- Cross-linked polyethylene (XLPE)
- Part Number
- 61 61 5 A0A 345
Dc Dc Converter
- input Voltage
- 350 V
- Output Voltage
- 12 V
- Max Output Power
- 2.5 kW
- Efficiency
- 95%
- Part Number
- 61 71 5 A0A 678
Onboard Charger
- input Voltage Range
- 90 V - 264 V AC
- Output Voltage
- 350 V DC
- Max Output Power
- 11 kW
- Efficiency
- 92%
- Part Number
- 61 81 5 A0A 901
Battery Management System
- Microcontroller
- 32-bit ARM Cortex-M4
- Cell Voltage Monitoring Accuracy
- ±5 mV
- Temperature Sensors
- 16 sensors
- Communication Protocol
- CAN bus
- Part Number
- 61 91 5 A0A 234
Thermal Management System
- Coolant Type
- 50/50 water-glycol mix
- Coolant Flow Rate
- 10 L/min
- Heater Power
- 5 kW
- Chiller Capacity
- 3 kW
- Part Number
- 62 01 5 A0A 567
Safety Systems
- High Voltage interlock Loop
- Yes
- insulation Monitoring
- Yes
- Crash Sensor
- Integrated in airbag control unit
- Emergency Shutdown Time
- < 1 second
- Part Number
- 62 11 5 A0A 890
Service Information Service
Detailed service requirements and schedules for the BMW i4 electrical system
- Inspect high-voltage battery connections
- Check coolant levels and condition
- Inspect high-voltage cables for damage
- Perform insulation resistance test
Service must be performed by certified BMW technicians
- Replace cabin air filter
- Check and calibrate battery management system
- Inspect and clean charging port
Ensure all diagnostic tools are updated to the latest software version
- Replace coolant
- Inspect and test DC-DC converter
- Perform full battery health check
Battery health check includes capacity and cell balance tests
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the voltage of the BMW i4's high-voltage battery system?
What is the voltage of the BMW i4's high-voltage battery system?
The BMW i4 is equipped with a high-voltage battery system operating at 400 volts. This system powers the electric motor and other high-voltage components, delivering a range of up to 300 miles depending on the model and driving conditions.
Q2 What is the charging time for the BMW i4 using a Level 2 charger?
What is the charging time for the BMW i4 using a Level 2 charger?
Using a Level 2 charger (240V), the BMW i4 can be fully charged in approximately 8-10 hours, depending on the battery capacity and charging conditions. The onboard charger supports up to 11 kW AC charging.
Q3 What is the maximum DC fast charging rate for the BMW i4?
What is the maximum DC fast charging rate for the BMW i4?
The BMW i4 supports DC fast charging at a maximum rate of 200 kW. This allows the battery to charge from 10% to 80% in approximately 31 minutes under optimal conditions.
Q4 What type of electric motor does the BMW i4 use?
What type of electric motor does the BMW i4 use?
The BMW i4 is equipped with a synchronous electric motor that delivers up to 536 horsepower in the M50 trim. The motor is designed for high efficiency and performance, with a maximum torque output of 586 lb-ft.
Q5 What is the energy capacity of the BMW i4's battery?
What is the energy capacity of the BMW i4's battery?
The BMW i4 features a lithium-ion battery pack with an energy capacity of 83.9 kWh, providing a balance between range and performance. The usable capacity is slightly less to preserve battery longevity.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
BMW i4 High-Voltage Battery Specifications
Coming SoonDetailed technical specifications and maintenance guidelines for the high-voltage battery system in the BMW i4.
Charging Guide for BMW i4
Coming SoonComprehensive guide on charging options, including Level 2 and DC fast charging, for the BMW i4.
Electric Motor Performance Overview
Coming SoonTechnical overview of the synchronous electric motor used in the BMW i4, including performance metrics and efficiency data.
BMW i4 Electrical System Safety Manual
Coming SoonSafety guidelines and procedures for working with the BMW i4's electrical system, including high-voltage components.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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