2021 BMW M240i Service and Repair Manual

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Factory-Grade Data

2021 BMW M240i 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 Convertible 2-Door
  • Convertible Coupe 2-Door
  • Base Coupe 2-Door
  • Coupe Coupe 2-Door

Engines covered

  • 3.0L 2998CC l6 GAS DOHC Turbocharged

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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Payment methods

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Vehicle Safety Data

2021 BMW M240i Recalls & Complaints

NHTSA #21V55400021/07/2021Component: SEAT BELTS

BMW of North America, LLC (BMW) is recalling certain 2021 2 Series (230i, 230i xDrive, M240i, M240i xDrive), 330e, 330e Xdrive, 4 Series Coupe (430i, 430i xDrive, M440i xDrive) M4 Coupe, M4 Competitio

Consequence

During a crash, a seat belt retractor that does not function as intended increases the risk of injur

Remedy

Dealers will inspect the seat belt retractors (including the seat belts) and, if necessary, replace

NHTSA #21V34200012/05/2021Component: STRUCTURE:BODY:ROOF AND PILLARS

BMW of North America, LLC (BMW) is recalling certain 2021 BMW 230i and M240i vehicles. Supports within the roof liner may be insecurely attached.

Consequence

The support may separate from the roof liner and fall into the passenger compartment, increasing the

Remedy

Dealers will inspect and repair or replace the roof liner as necessary, free of charge. Owner notif

TSB #11032730

The EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date.

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 #10245365

PRESSURE CONTROL VALVE (PCV) EXTENDED LTD WTY 15 YEARS/150,000 MILES

TSB #10244237

Functional noises (squealing/honking) when braking shortly before the vehicle comes to a stop. CAUSE Material-

TSB #10238090

After programming the head unit (HU-H2), activating the FSC (German word Freischaltcode) Enabling Codes repeatedly fails.

TSB #10235205

The 3G network in the US has been shut down. This means that only the 4G network will be available. In the 4G network, voice calls will be transferred via the Voice over LTE (VoLTE) function. For this purpose, the SIM card must perform an I

TSB #10230722

After an automatic engine start (MSA start), the transmission intermittently goes into the Park "P" or Neutral "N" position without any customer influence.

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

Showing the 8 most recent of 26 technical service bulletins on file with NHTSA.

No complaints filed No consumer complaints on file with NHTSA for the 2021 BMW M240i.
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