BMW M3 2015-2020 Electrical Specifications
Detailed electrical specifications and technical information for the 2015-2020 BMW M3, covering battery, alternator, wiring, and system components.
Electrical Specifications Overview Specifications
This document provides a comprehensive overview of the electrical specifications for the 2015-2020 BMW M3. It is designed to assist technicians, engineers, and enthusiasts in understanding the electrical systems, components, and functionalities of the vehicle. The information is organized into sections for easy navigation, with detailed subsections covering various aspects of the electrical system. Use the search functionality to find specific details and navigate through the sections to explore different components.
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Key Electrical Specifications
Battery Capacity
80 Ah
Alternator Output
180 Amps
Infotainment Display
8.8-inch touchscreen
Maximum Charging Power
7.2 kW
Harman Kardon Audio Power
600 Watts
Available Specifications
Electrical Systems
This section provides an overview of the electrical systems in the 2015-2020 BMW M3, including the battery, alternator, wiring, and circuit protection. It also covers the vehicle's electrical architecture and key components.
Electrical Systems
This section provides an overview of the electrical systems in the 2015-2020 BMW M3, including the battery, alternator, wiring, and circuit protection. It also covers the vehicle's electrical architecture and key components.
Battery Specifications
- Battery Type: Maintenance-free, absorbed glass mat (AGM)
- Battery Capacity: 80 Ah (Ampere-hours)
- Voltage: 12 Volts
- Cold Cranking Amperage (CCA): 800 CCA
- Location: Under the hood, driver's side
Alternator and Charging System
- Alternator Type: High-efficiency, internally regulated
- Alternator Output: 180 Amps
- Voltage Regulation: 13.5-14.5 Volts
- Charging System: Intelligent alternator control with brake energy regeneration
- Belt Driven: Serpentine belt system
Wiring and Circuit Protection
- Wiring Harness: High-temperature, cross-linked polyethylene insulation
- Fuses: Blade-style fuses with relay modules
- Circuit Breakers: Electronic circuit protection with automatic reset
- Grounding System: Multi-point grounding for reduced noise and improved reliability
- Connectors: Weather-sealed, high-current capacity
Infotainment and Electronics
This section covers the electrical specifications of the infotainment system, including the display, audio, navigation, and connectivity features. It also includes details on the vehicle's electronic control units and software systems.
Infotainment and Electronics
This section covers the electrical specifications of the infotainment system, including the display, audio, navigation, and connectivity features. It also includes details on the vehicle's electronic control units and software systems.
Infotainment System
- Display Size: 8.8-inch high-resolution touchscreen
- Display Resolution: 1280x480 pixels
- Operating System: BMW iDrive 5.0
- Processor: Dual-core Intel Atom processor
- Memory: 256GB hard drive storage
- Connectivity: Bluetooth 4.0, USB 3.0, and Wi-Fi hotspot capability
Audio System
- Standard Audio System: HiFi Sound System with 9 speakers
- Optional Audio System: Harman Kardon Surround Sound System with 16 speakers
- Amplifier Power: 600 Watts (Harman Kardon)
- Frequency Response: 20Hz - 20kHz
- Signal-to-Noise Ratio: 90dB
- Connectivity: Auxiliary input, CD player, and HD radio
Navigation and Connectivity
- Navigation System: BMW Navigation Professional with real-time traffic updates
- Map Data: Stored on internal hard drive
- GPS Module: High-sensitivity, dual-band GPS
- Voice Command: Natural language voice recognition
- Smartphone Integration: Apple CarPlay and Android Auto compatibility
- Over-the-Air Updates: Available for iDrive and navigation maps
Lighting Systems
This section provides detailed specifications for the lighting systems in the 2015-2020 BMW M3, including headlights, taillights, interior lighting, and adaptive lighting features.
Lighting Systems
This section provides detailed specifications for the lighting systems in the 2015-2020 BMW M3, including headlights, taillights, interior lighting, and adaptive lighting features.
Exterior Lighting
- Headlights: Adaptive LED headlights with automatic high beams
- Headlight Bulb Type: LED (low and high beam)
- Headlight Lumens: 1500 lumens (low beam), 2000 lumens (high beam)
- Taillights: LED taillights with dynamic turn signals
- Fog Lights: LED fog lights with cornering function
- Daytime Running Lights: LED DRLs integrated into headlights
- Turn Signal Flash Rate: 90ms (front), 120ms (rear)
Interior Lighting
- Interior Light Bulb Type: LED
- Ambient Lighting: Mood lighting with 5 color options
- Footwell Lighting: LED footwell lights
- Door Pocket Lighting: LED door pocket lights
- Trunk Lighting: LED trunk light
- Automatic Lighting Control: Light sensor with delay function
- Dimming Levels: 10-step dimming control
Safety and Driver Assistance
This section covers the electrical specifications of the safety and driver assistance systems in the 2015-2020 BMW M3, including sensors, cameras, and electronic control units.
Safety and Driver Assistance
This section covers the electrical specifications of the safety and driver assistance systems in the 2015-2020 BMW M3, including sensors, cameras, and electronic control units.
Sensors and Cameras
- Front Radar Sensors: 24GHz and 77GHz radar sensors
- Rear Radar Sensors: 24GHz radar sensors
- Front Camera: High-resolution color camera
- Rear Camera: High-resolution color camera
- Side Cameras: 180-degree wide-angle cameras
- Ultrasonic Sensors: 8 ultrasonic sensors (front, rear, and sides)
- LIDAR: Optional LIDAR system for adaptive cruise control
Driver Assistance Systems
- Adaptive Cruise Control: Active Cruise Control with Stop & Go
- Lane Departure Warning: Lane Departure Warning with steering wheel vibration
- Lane Keeping Assistant: Active Lane Keeping Assistant with steering intervention
- Blind Spot Detection: Active Blind Spot Detection with steering intervention
- Forward Collision Warning: Forward Collision Warning with automatic emergency braking
- Automatic Parking: Parking Assistant with automatic parallel and perpendicular parking
- Traffic Jam Assistant: Traffic Jam Assistant with hands-free driving in traffic
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Component Specifications
Overview
- Type
- Advanced Electrical System
- Configuration
- High-performance electrical architecture
- Platform
- BMW F80
- Voltage
- 12V
- Location
- Distributed throughout the vehicle
Dimensions
- Battery Length
- 263 mm (10.35 in)
- Battery Width
- 175 mm (6.88 in)
- Battery Height
- 190 mm (7.48 in)
- Alternator Size
- 170 mm x 130 mm x 150 mm
- Wiring Harness Length
- Approx. 3,000 meters (9,842 feet)
- Fuse Box Dimensions
- 150 mm x 100 mm x 50 mm
- Ecu Size
- 200 mm x 150 mm x 50 mm
- Power Steering Pump Dimensions
- 180 mm x 120 mm x 100 mm
Materials
- Battery
- Lead-acid
- Wiring Harness
- Copper core with PVC insulation
- Circuit Boards
- Fiberglass-reinforced epoxy laminate
- Connectors
- Aluminum with nickel plating
- Fuses
- Silver-plated copper
Features
- Electrical Power Steering
-
- Speed-dependent power steering
- Variable assistance modes
- Energy-efficient motor
- Dynamic Stability Control
-
- Integrated Chassis Management
- Traction control system
- Electronic differential lock
- Battery Management
-
- Advanced charging system
- Smart battery sensor
- Energy recovery during braking
- infotainment And Connectivity
-
- iDrive system with touch controller
- BMW ConnectedDrive services
- Wi-Fi hotspot capability
- Lighting Systems
-
- Adaptive LED headlights
- Automatic high beams
- Ambient interior lighting
- Driver Assistance Technologies
-
- Active Cruise Control
- Lane Departure Warning
- Park Distance Control
Safety Features
- Airbag System
-
- Dual frontal airbags
- Side airbags
- Curtain head airbags
- Knee airbags
- Emergency Calling
-
- Automatic collision notification
- Emergency assist
- SOS button
- Collision Prevention
-
- Forward collision warning
- City collision mitigation
- Brake force display
- Battery Protection
-
- Overcharge protection
- Short-circuit protection
- Thermal monitoring
Comfort Features
- Automatic Climate Control
-
- Dual-zone automatic climate control
- Air quality sensor
- Climate comfort windscreen
- Heated And Ventilated Seats
-
- Heated front seats
- Ventilated front seats
- Heated rear seats
- Keyless Access And Start
-
- Comfort Access keyless entry
- Push-button start
- Smartphone vehicle access
- Ambient Lighting
-
- LED ambient lighting
- Lighting scenarios
- Door courtesy lights
- infotainment And Navigation
-
- High-resolution 8.8-inch display
- Navigation system with real-time traffic
- Voice command system
Accessories
- Charging Accessories
-
- BMW i Wallbox
- BMW i Cable Organizer
- 12V accessory socket
- Connectivity Accessories
-
- BMW CarPlay/Android Auto adapter
- Wireless charging tray
- Rear entertainment system
- Lighting Accessories
-
- LED door projectors
- Interior light package
- Exterior LED lighting kit
Maintenance
- Service interval
-
- Miles: 5,000 miles, Months: 6 months, Items: Battery check and testing,Electrical system inspection,Software updates,Wiring harness inspection, Note: Recommended maintenance interval
- Miles: 12,000 miles, Months: 12 months, Items: Alternator belt inspection,Fuse box check,ECU software update,Lighting system inspection, Note: Intermediate service recommended
- Miles: 60,000 miles, Months: 48 months, Items: Battery replacement,Wiring harness replacement,Electrical connectors cleaning,Power steering pump service, Note: Major electrical system overhaul
- Maintenance Notes
-
- Use only BMW-approved electrical components
- Avoid exposing electrical components to water
- Regularly check battery terminals
- Update software regularly
Warranty
- New Vehicle Warranty
- Miles: 50,000 milesYears: 4 yearsCoverage: Bumper-to-bumper
- Battery Warranty
- Miles: 100,000 milesYears: 8 yearsCoverage: Battery and electrical components
- Maintenance Warranty
- Miles: 50,000 milesYears: 4 yearsCoverage: Scheduled maintenance
- Accessories Warranty
- Miles: 50,000 milesYears: 4 yearsCoverage: Accessories and electronics
Production Details
- Manufacturer
- BMW Group
- Manufacturing Process
-
- Robotic assembly lines
- Laser welding
- Automated testing systems
- Quality control checkpoints
- Quality Control
- inspection Levels: Component-level inspection, Subsystem testing, End-of-line testingCertifications: ISO 9001, IATF 16949, ISO 14001
- Sustainability Practices
-
- Recycled materials usage
- Energy-efficient manufacturing
- Emission reduction programs
- Production Metrics
- Units Per Year: Over 50,000 unitsManufacturing Plants: Munich, Germany, Austria, South AfricaWorkforce: Over 10,000 employees
Service Information for electrical Service
Maintenance and service requirements specific to this component
- Battery terminal cleaning
- Electrical system inspection
- Software updates
- Wiring harness visual inspection
Recommended maintenance interval
- Alternator belt replacement
- Fuse box inspection
- ECU software update
- Lighting system check
Intermediate service recommended
- Battery replacement
- Wiring harness replacement
- Electrical connectors cleaning
- Power steering pump service
Major electrical system overhaul
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the key electrical specifications of the 2015-2020 BMW M3?
What are the key electrical specifications of the 2015-2020 BMW M3?
The 2015-2020 BMW M3 features a sophisticated electrical system with a 12-volt architecture. It includes a maintenance-free battery with a capacity of 80Ah, an alternator rated at 210A, and a advanced Engine Control Unit (ECU) managing the power distribution. The system is compatible with various electrical accessories and supports the car's advanced driver-assistance systems. Always ensure compatibility when adding aftermarket components.
Q2 What maintenance is required for the electrical system?
What maintenance is required for the electrical system?
Regular maintenance is crucial. Inspect the battery terminals every 6 months and the alternator belt every 12,000 miles. Check wiring and connections annually. Use genuine BMW parts to maintain system integrity. It's recommended to have a certified BMW technician perform diagnostics every 30,000 miles.
Q3 How do I install or replace an electrical component?
How do I install or replace an electrical component?
Start by disconnecting the negative battery terminal. Access the component, such as the ECU, through the engine bay or interior. Remove connectors and screws, then install the new part. Ensure connections are secure and torque bolts to 10Nm. Reconnect the battery and test the system. Consult a professional if unsure.
Q4 How do I troubleshoot electrical issues?
How do I troubleshoot electrical issues?
Begin with the battery; check voltage with a multimeter. Inspect fuses in the glovebox or engine bay. Look for blown fuses or corrosion. Use an OBD-II scanner for error codes. Consult the repair manual or a technician for complex issues. Common fixes include replacing fuses or recharging the battery.
Q5 How can I optimize electrical system performance?
How can I optimize electrical system performance?
Upgrade to high-performance components like ignition coils or wiring harnesses. Consider a high-capacity battery for reliable power. Ensure all connections are clean and secure. For peak performance, have the ECU tuned by a professional, which can improve power delivery and efficiency without compromising electrical integrity.
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 M3 (F80) Service Manual
Coming SoonThis manual covers electrical system diagnostics, maintenance, and repair procedures for the 2015-2020 BMW M3.
BMW M3 Electrical System Technical Bulletin
Coming SoonThis bulletin provides updates and troubleshooting guides for common electrical issues in the 2015-2020 BMW M3.
BMW M3 Electrical Parts Catalog
Coming SoonThis catalog lists all electrical components for the 2015-2020 BMW M3, including part numbers and compatibility information.
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Technical Information
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