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2021 BMW M3 Service and Repair Manual
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$29.99 USD
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Covers all 2021 M3 trims — Base Sedan 4-Door, Competition Sedan 4-Door ·
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2021 BMW M3 Service and Repair Manual
Regular price
$29.99 USD
Unit price
2021 BMW M3 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 Sedan 4-Door
- Competition Sedan 4-Door
Engines covered
- 3.0L 2993CC 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
BMW of North America, LLC (BMW) is recalling certain 2021 330i, 330i xDrive, M340i, M3, and 330e xDrive vehicles. The bolt securing the seat belt assembly to the frame was not tightened to specifica
Consequence
An improperly installed seat belt assembly may not restrain an occupant as expected, increasing the
Remedy
BMW will notify owners, and dealers will inspect the front seat belt buckle assembly connection and,
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
BMW of North America, LLC (BMW) is recalling certain 2020-2021 8 Series Coupe, Grand Coupe and convertible 840i, 840i xDrive, M850i xDrive, M8 and 740 Li, 740 Li xDrive, 750 Li xDrive, M760 Li xDrive,
Consequence
A loss of ABS and a reduction in braking assistance can increase the risk of a crash.
Remedy
BMW will notify owners, and dealers will replace the integrated brake system, free of charge. Owner
While driving on a smooth and/or unevenroad, a cracking sound is heard from therear wheel arch area (highlighted in orange) on either the right or left side.
While driving on a smooth and/or uneven road, a cracking sound is heard from the rear wheel arch area (highlighted in orange) on either the right or left side.
With the vehicle is on a lift and the front struts are in the extended position, there may be a cracking and orclicking type noise when turning the steering wheel left/right. See attached video V31 01 24. The sound can reoccur when the vehi
A vehicle arrives at your center to be diagnosed for a micro-leak in the fuel evaporative (EVAP) system(NVLD natural vacuum leak detection). For this condition, the following fault is stored in the DME: 190302 - fuel tank ventilation and sc
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
Functional noises (squealing/honking) when braking shortly before the vehicle comes to a stop. CAUSE Material-
Headlight check control (CC) message 128 "High beam headlight failure" is displayed. The following fault codes are stored during a vehicle test: 80419A - Left high-beam headlight: Short circuit and/or 8041A5 - light outputs: Number of permi
Condensation is present on the inner surfaces in one or both taillights (circled).
Showing the 8 most recent of 64 technical service bulletins on file with NHTSA.
Sunroof shattered while driving, no impact from outside.
Loud clunking and creaking noise from front suspension when driving on uneven or bumpy road surfaces.
Loud clunking and creaking noise from front suspension when driving on uneven or bumpy road surfaces.
Showing the 3 most serious of 5 complaints filed with NHTSA.
Other Years of the BMW M3
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