2021 BMW i3 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- Base Hatchback 4-Door
- Range Extender Hatchback 4-Door
- Mobility Hatchback 4-Door
Engines covered
- BATTERY EV (EV/BEV)
- 0.6L 647CC l2 BATTERY W/RANGE EXT (BEV REX) SOHC Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date.
The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on ho
Due to a production error, the telematics control units were delivered without an IMS configuration.
The Headunit High (HU-H), also called NBT, began replacing the Car Information Computer (CIC) on certain MY2013 vehicles with option 609 (as of 7/2012 production). This uses map North America NEXT. The Headunit High 2 (HU-H2), also called N
For the eligible vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle's Fuel Injectors to: 15 years/150,000 miles as determined by the vehicle's original in-service date.
Different air temperatures are felt from left to right out of the front fresh air grilles (air vents).
The Headunit High (HU-H), also called NBT, began replacing the Car Information Computer (CIC) on certain MY2013 vehicles with option 609 (as of 7/2012 production). This uses map North America NEXT. The Headunit High 2 (HU-H2), also called N
Different air temperatures are felt from left to right out of the front fresh air grilles (air vent). The following fault code is saved in the IHKA (integrated automatic heating/air conditioning system) control unit: 801189 - Engine mixed a
Showing the 8 most recent of 21 technical service bulletins on file with NHTSA.
