2020 BMW 740i 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
- Excellence Sedan 4-Door
- Base Sedan 4-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
BMW of North America, LLC (BMW) is recalling certain 2019-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, X4 xDrive30i, X4 M40i, M550i, X4M, X5 sDrive40i, X5 xDrive40i, X5 xDrive50i, X5M, X5 M50i, X7 x
If the driver relies on only the rearview camera image, the missing or reduced rearview image view c
BMW will notify owners, and dealers will inspect the rearview camera software and update it if neces
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.
THE FRONT AND REAR AIR SUSPENSION STRUT ASSEMBLIES LIMITED WARRANTY FOR DEFECTS IN MATERIALS OR WORKMANSHIP HAS BEEN EXTENDED TO 8 YEARS /80,000 MILES AS DETERMINED FROM THE ORIGINAL IN-SERVICE DATE.
It was found that a radio IHKA control panel without a CD slide compartment has been installed due to a logistics error in production. A CD cannot be inserted and the radio IHKA control panel should therefore be replaced.
Service Action: Starter MotorHigh impact energy may cause the circlip for the starter motor pinion positioning to break which may cause the pinion to move in the direction of the starter jaw, causing damage of the starter motor. Also, conse
One or more of the LED daytime running lights are dim or discolored.
There is a jerking or shuddering during either or both of the following: Cornering or accelerating from low speeds Driving with low to medium loads There are no warning lights or Check Control messages.
Bearing Shell Return
A check control message is displayed, indicating that the parking assistance systems have limitedfunctionality due to errors detected within PDC sensors. The warning indicates parking assistance featureshave limited functionality while the
Showing the 8 most recent of 235 technical service bulletins on file with NHTSA.
