2020 BMW M550i xDrive 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
Engines covered
- 4.4L 4395CC V8 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 2020-2021 X3 sDrive 30i, X3 xDrive 30i, X3M 40i, X3 xDrive 30e, X4 xDrive 30i, X4M 40i, 530i, 540i, 540i xDrive, M550i xDrive, M5, 550e, 550e xDriv
If the driver relies on only the rearview camera image, the reduced rearview image view can increase
BMW will notify owners, and dealers will inspect and, if necessary, program the rearview camera with
BMW of North America, LLC (BMW) is recalling certain 2018 540d, 2018-2020 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 530e, 530e xDrive, X3 sDrive, X3 xDrive, X3 M40i, X3 M, and 2019-2020
The lack of an image in the back-up camera display increases the risk of a crash.
BMW will notify owners, and dealers will update the back-up camera software, free of charge. The re
BMW of North America, LLC (BMW) is recalling certain 2019-2020 M5 and 2020 M8 Gran Coupe, M8 Coupe, and M8 Convertible vehicles. The transmission wiring harness can become damaged, resulting in an el
An electrical short circuit can cause the transmission to shift to neutral resulting in a loss of pr
BMW will notify owners, and dealers will replace any damaged transmission harnesses. All harnesses
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
BMW of North America, LLC (BMW) is recalling certain 2020-2021 530i xDrive, 540i xDrive and 2021 740Li xDrive vehicles. The output shafts (left/right) which transfer power from the driveshaft to the
A broken output shaft can lead to a loss of drive power or a rollaway condition in a parked vehicle
BMW will notify owners, and dealers will replace the output shaft(s), free of charge. The recall be
BMW of North America, LLC (BMW) is recalling certain 2020 M340i, M340i xDrive, 540i, 540i xDrive, X3 M40i, 2020-2021 X4 M40i, 745Le xDrive, 2019-2021 Z4 M40i, and 2020-2021 Toyota Supra vehicles. Dur
Loss of braking assist can increase the risk of a crash.
Dealers will update the engine management software, free of charge. Owner notification letters were
The Fuel Injector Condition-Specific Repair Coverage Program applies to qualifying repairs for the required replacement of one or more the fuel injectors which were determined to have failed due to a buildup of external corrosion in the eng
The Fuel Injector Condition-Specific Repair Coverage Program applies to qualifying repairs for the required replacement of one or more the fuel injectors which were determined to have failed due to a buildup of external corrosion in the eng
The Fuel Injector Condition-Specific Repair Coverage Program applies to qualifying repairs for the required replacement of one or more the fuel injectors which were determined to have failed due to a buildup of external corrosion in the eng
the Fuel Injector Condition-Specific Repair Coverage Program applies to qualifying repairs for the required replacement of one or more the fuel injectors which were determined to have failed due to a buildup of external corrosion in the eng
One or more of the LED daytime running lights are dim or discolored.
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
The basic conditions for initializing the power windows are not met.
Functional noises (squealing/honking) when braking shortly before the vehicle comes to a stop. CAUSE Material-
Showing the 8 most recent of 241 technical service bulletins on file with NHTSA.
Coolant expansion tank is leaking on fuel injectors, coils and plugs on engine below causing âdrivetrain malfunctionâ which puts vehicle into Limp Mode. Car can begin to shudder, misfire and stall
I am reporting a potential safety concern with my engine. The oil pumps are known to fail due to plastic internal components. BMW has issued a new pump with metal parts, but existing engines are not b
Component: Engine Oil Pump (Plastic Internal Variant) Safety Risk: Sudden Loss of Motive Power / Engine Seizure Defect Description: The oil pump in the BMW B58 engine utilizes a plastic tensioning/ad
Showing the 3 most serious of 4 complaints filed with NHTSA.
