BMW i8 2014-2020

BMW i8 2014-2020 Drivetrain Specifications

Detailed technical specifications and documentation for the 2014-2020 BMW i8 drivetrain system, including hybrid synchronous motor, TwinPower Turbo engine, eDrive technology, and AWD system.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the drivetrain specifications for the 2014-2020 BMW i8, including key features, measurements, and technical details

How to Use

Use the search function to locate specific drivetrain components or specifications by entering keywords such as 'electric motor', 'transmission', or 'battery'.

Navigate through the drivetrain documentation using the table of contents or by scrolling through the sections. Each section is labeled with a title and contains detailed subsections.

Key Specifications

Combustion Engine Power

231 hp (170 kW)

Electric Motor Power

131 hp (96 kW)

Total System Output

369 hp (271 kW)

Battery Capacity

11.6 kWh

0-60 mph Acceleration

4.2 seconds

Available Specifications

Hybrid Powertrain System

Details about the hybrid powertrain system, including the combination of internal combustion engine and electric motors

Combustion Engine Specifications

1.5L 3-cylinder turbocharged gasoline engine
Output: 231 hp (170 kW) at 5,800 rpm
Torque: 236 lb-ft (320 Nm) at 3,700 rpm
Direct fuel injection system
Integrated with a 6-speed automatic transmission

Electric Motor Specifications

Front-mounted electric motor
Output: 131 hp (96 kW)
Torque: 184 lb-ft (250 Nm)
2-speed automatic transmission
Lithium-ion battery capacity: 11.6 kWh

Note: The electric motor is primarily responsible for front-wheel drive, while the combustion engine powers the rear wheels.

Transmission and Drivetrain

Technical details about the transmission and drivetrain configuration

Transmission System

Combination of 6-speed automatic (rear) and 2-speed automatic (front)
All-wheel drive (AWD) capability
Hybrid-specific gear ratios for optimized efficiency
Seamless power transition between electric and combustion modes

Drivetrain Configuration

Front axle powered by electric motor
Rear axle powered by combustion engine
Intelligent torque distribution system
Total system output: 369 hp (271 kW)

Note: The drivetrain is designed for optimal performance and efficiency in both electric and hybrid modes.

Battery and Charging System

Information about the lithium-ion battery and charging capabilities

Battery Specifications

Lithium-ion high-voltage battery
Capacity: 11.6 kWh
Voltage: 355 V
Cooling system: Liquid-cooled
Weight: 264 lbs (120 kg)

Charging System

AC charging time (3.7 kW): ~3 hours
DC fast charging (7.4 kW): ~1.5 hours
Regenerative braking system
Charging port located on the front fender

Note: The charging system supports both standard and fast charging options.

Performance and Efficiency

Performance metrics and efficiency details of the drivetrain

Performance Metrics

0-60 mph acceleration: 4.2 seconds
Top speed: 155 mph (250 km/h)
Electric-only range: 18 miles (29 km)
Combined fuel economy: 69 MPGe

Efficiency Features

Aerodynamic design for reduced drag
Energy recuperation system
Eco Pro mode for optimized efficiency
Hybrid-specific start-stop system

Note: The drivetrain is optimized for both performance and environmental efficiency.

Search Specifications

Search by specification name, value, or description

Component Specifications

Engine

Type: Hybrid Electric Motor and Internal Combustion Engine

Power Output: 261 kW

Torque: 265 Nm

Engine Part Number: BMW-ENG-2014-2020-I8

Transmission

Type: Automatic

Gears: 8-speed

Transmission Part Number: BMW-TRANS-2014-2020-I8

Electric Motor

Power Output: 96 kW

Torque: 120 Nm

Battery Type: Lithium-ion

Battery Capacity: 18 kWh

Drive Type

Configuration: Rear-wheel drive

Differential Type: Electronic

Drive Part Number: BMW-DRIVE-2014-2020-I8

Fuel System

Fuel Type: Petrol

Fuel Capacity: 40 liters

Fuel injection Type: Direct Injection

Cooling System

Coolant Type: Water-based

Coolant Capacity: 5 liters

Cooling Part Number: BMW-COOL-2014-2020-I8

Lubrication System

Oil Type: Synthetic

Oil Capacity: 4 liters

Oil Change interval: 5000 miles or 6 months

Operational Parameters

Max Speed: 250 km/h

Acceleration 0 To 100: 4.4 seconds

Max Torque Output: 265 Nm

Maintenance Specifications

Service intervals

Miles: 5000, Months: 6, Items: Oil change,Coolant check,Transmission fluid check, Note: Regular maintenance required for optimal performance

Diagnostic Specifications

Name: Engine diagnostics, Value: Every 5000 miles, Notes: Use BMW diagnostic tools for accurate readings
Name: Electric motor diagnostics, Value: Every 5000 miles, Notes: Check battery health and motor performance

Safety information

Max Load: 500 kg

Safety Checks

Regular brake checks
Tire pressure monitoring
System diagnostics

Note: Ensure all safety checks are performed regularly

Service Information Service

Detailed service requirements and schedules

5000

Oil change
Coolant check
Transmission fluid check

Regular maintenance required for optimal performance

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of drivetrain does the 2014-2020 BMW i8 use?

The BMW i8 features a hybrid all-wheel-drive (AWD) system. It combines a 1.5-liter turbocharged 3-cylinder gasoline engine driving the rear wheels (228 hp) with an electric motor driving the front wheels (131 hp), delivering a combined output of 369 hp.

What is the torque output of the BMW i8 drivetrain?

The gasoline engine produces 236 lb-ft of torque, while the electric motor generates 184 lb-ft. The combined torque output is optimized for performance and efficiency, with peak torque available at low RPMs for instant acceleration.

How does the BMW i8's drivetrain manage power distribution?

The i8 uses an intelligent power management system to distribute torque between the front and rear axles. The system prioritizes electric power for the front wheels during low-speed driving and seamlessly integrates the gasoline engine for high-speed or high-demand scenarios.

What is the 0-60 mph acceleration time for the BMW i8?

The BMW i8 accelerates from 0 to 60 mph in approximately 4.2 seconds, thanks to the combined power of its hybrid drivetrain and precise torque distribution.

Can the BMW i8 operate in electric-only mode?

Yes, the BMW i8 can operate in electric-only mode for up to 23 miles, with a top speed of 75 mph. This mode is ideal for short commutes and urban driving, reducing emissions and fuel consumption.

What type of transmission is used in the BMW i8?

The BMW i8 uses a 6-speed automatic transmission for the gasoline engine and a 2-speed automatic transmission for the electric motor, ensuring smooth power delivery and optimal efficiency.

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 i8 Drivetrain Technical Overview

Coming Soon

A detailed guide to the hybrid drivetrain system, including specifications, power distribution, and performance metrics.

BMW i8 Maintenance and Service Procedures

Coming Soon

Step-by-step instructions for maintaining and servicing the hybrid drivetrain, including safety precautions and recommended tools.

BMW i8 Warranty and Drivetrain Coverage

Coming Soon

Information on warranty coverage for the drivetrain components, including terms, conditions, and exclusions.

BMW i8 Genuine Parts Catalog

Coming Soon

A catalog of genuine BMW parts for the i8 drivetrain, ensuring compatibility and optimal performance.

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