2018 BMW i3 Service and Repair Manual

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Factory-Grade Data

2018 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

  • s Sedan 4-Door
  • Base Hatchback 4-Door
  • Range Extender 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

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Vehicle Safety Data

2018 BMW i3 Recalls & Complaints

NHTSA #19V31000017/04/2019Component: HYBRID PROPULSION SYSTEM

BMW of North America, LLC (BMW) is recalling certain 2018 i3 BEV and i3 REx hybrid electric vehicles. A circuit board problem within the Electric Motor Electronics (EME) module may shutdown the suppl

Consequence

A shut down of high-voltage electrical power would result in a loss of propulsion, increasing the ri

Remedy

BMW will notify owners, and dealers will replace the EME module, free of charge. The recall began J

TSB #11032732

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.

TSB #11012073

the High-Voltage (HV) Battery Assembly Cell Modules Temperature Sensors (Internal NTC repair kit-specific) limited warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original

TSB #11012072

The High-Voltage (HV) Battery Assembly Cell Modules Temperature Sensors (Internal NTC repair kit-specific) limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the origina

TSB #10253322

For this vehicle, 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 in-service date. This coverage is subject to th

TSB #10249027

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

TSB #10225129

Due to a production error, the telematics control units were delivered without an IMS configuration.

TSB #10214990

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

TSB #10214256

The quick disconnect coupling on the cylinder head coolant vent line could break at the cylinder head. This would lead to loss of coolant from the engine.

Showing the 8 most recent of 143 technical service bulletins on file with NHTSA.

20240812Component: STRUCTURE:BODY

Roof delaminating and is danger of flying off

20240724Component: FUEL/PROPULSION SYSTEM

This isn't a safety issue, rather it's a known problem with the factory AC compressor inside of BMW i3s and i8s that seem to constantly fail. I had a replacement under the car's factory warranty and

20240416Component: STRUCTURE:BODY

My car has a problem with the carbon fiber roof panel. In the sun, the clear epoxy of the roof is de laminating from the carbon fiber beneath it. This is a safety issue because as it delaminates the

20230818Component: STRUCTURE:BODY

The roof is cracking, yellowing and bubbling. I have heard that this is the beginning of roof failure and de-lamination. There have been reports and incidents of others roofs delaminating and having

20230701Component: STEERING

On two occasions the power steering failed while i was driving, once several months ago and again last Wednesday. Fortunately i was driving on surface streets close to home. i parked the car for twe

Showing the 5 most serious of 16 complaints filed with NHTSA.

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