2021 BMW X3 Service and Repair Manual

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Factory-Grade Data

2021 BMW X3 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

  • M40i Sport Utility 4-Door
  • M Competition Sport Utility 4-Door
  • sDrive30i Sport Utility 4-Door
  • M Sport Utility 4-Door
  • sDrive20i Sport Utility 4-Door
  • xDrive30i Sport Utility 4-Door
  • xDrive30i Protection Sport Utility 4-Door
  • xDrive30e Sport Utility 4-Door

Engines covered

  • 3.0L 2998CC l6 GAS DOHC Turbocharged
  • 3.0L 2993CC l6 GAS DOHC Turbocharged
  • 2.0L 1998CC 122Cu. In. l4 GAS DOHC Turbocharged
  • 2.0L 1998CC 122Cu. In. l4 PLUG-IN HYBRID EV-GAS (PHEV) 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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Vehicle Safety Data

2021 BMW X3 Recalls & Complaints

NHTSA #20V59800030/09/2020Component: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

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

Consequence

If the driver relies on only the rearview camera image, the reduced rearview image view can increase

Remedy

BMW will notify owners, and dealers will inspect and, if necessary, program the rearview camera with

NHTSA #20V60100030/09/2020Component: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

BMW of North America, LLC (BMW) is recalling certain 2020-2021 530e, 530e xDrive, 530e iPerformance and X3 xDrive30e and MINI Cooper Countryman All4 SE, 2020 BMW i8, and 2021 330e, 330e xDrive, 745Le

Consequence

The debris could result in a short-circuit, increasing the risk of fire or injury.

Remedy

BMW will inspect and, if necessary, replace the battery module free of charge. The remedy is curren

NHTSA #23V21100029/03/2023Component: SEATS

BMW of North America, LLC (BMW) is recalling certain 2019-2021 330i, 330i xDrive, M340i xDrive, 2020-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, 2021 X3 xDrive30e, X4 xDrive30i, and X4M vehicles.

Consequence

An improperly welded seat frame may not properly restrain the occupant during a crash, increasing th

Remedy

Dealers will replace the seat frame and back rest, free of charge. Owner notification letters were

NHTSA #21V19900024/03/2021Component: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

BMW of North America, LLC (BMW) is recalling certain 2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, and X4, and 2021 X4 xDrive30i vehicles. The inlet check valve weld may fail, allowing the filling p

Consequence

Fuel may leak through the failed weld, increasing the risk of a fire.

Remedy

BMW will notify owners, and dealers will replace the fuel tank, free of charge. The recall is sched

NHTSA #25V63600023/09/2025Component: ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY

BMW of North America, LLC (BMW) is recalling certain 2019-2021 BMW 330i, 2019-2022 BMW Z4, 2020-2022 BMW 530i, X3, X4, Toyota Supra, 2021-2022 BMW 430i, 430i Convertible, and 2022 BMW 230i vehicles. T

Consequence

A short circuit in the starter relay may increase the risk of a fire.

Remedy

Owners are advised to park their vehicles outside and away from structures until the remedy is compl

NHTSA #21V09600019/02/2021Component: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

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

Consequence

If the driver relies on only the rearview camera image, the missing or reduced rearview image view c

Remedy

BMW will notify owners, and dealers will inspect the rearview camera software and update it if neces

NHTSA #20V49000018/08/2020Component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY

BMW of North America, LLC (BMW) is recalling certain 2021 330e and X5 xDrive45e, 2020-2021 X3 xDrive30e, and 2020 MINI Countryman SE ALL4 vehicles. Loose welding beads may form a conductive path betw

Consequence

A short-circuited hybrid battery may increase the risk of a fire.

Remedy

BMW will notify owners, and dealers will inspect and, if necessary, replace the battery modules, fre

TSB #11032731

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 #11017504

The vehicle applies the brakes on its own when reversing onto an inclined roadway or driveway. This appliesonly to the situation where the Active PDC option is activated via the iDrive.

TSB #11013058

The limited warranty for the Knee Air Bag wire harness repair cable procedure for defects in materials and / or workmanship has been extended to 10 years / 120,000 miles as determined from the original first in-service / delivery date.

TSB #11008994

DELIVERY STOP: REAR CARGO RAILS

TSB #10253326

While driving the vehicle on normal roads at10mph and above, a "cracking" sound from the top of the B-pillar(s) is heard.

TSB #10252031

One or more of the LED daytime running lights are dim or discolored.

TSB #10252033

During inspection and/or diagnosis there is noticeable dirt/grease buildup on the axles near the inner and/o router CV boots.

TSB #10250374

An interference noise (groaning noise) can be heard from within the heating and air-conditioning unit in thecenter of the instrument panel. The groaning noise always occurs when either a ventilation flap, air stratification flap or the reci

Showing the 8 most recent of 193 technical service bulletins on file with NHTSA.

20250708Component: AIR BAGSCrash reported1 injured

The contact owned a 2021 BMW X3. The contact stated while parked and occupied in the vehicle, while shifting the gear shift into park, the vehicle accelerated independently and collided with a Tesla o

20230504Component: VEHICLE SPEED CONTROLCrash reported

I was slowly pulling into a parking space and as I applied pressure to the brakes, there was no response. In fact the car seemed to rev up and accelerate, jumping the curb and ramming a tree. I was

20230504Component: SERVICE BRAKESCrash reported

I was slowly pulling into a parking space and as I applied pressure to the brakes, there was no response. In fact the car seemed to rev up and accelerate, jumping the curb and ramming a tree. I was

20230504Component: ENGINECrash reported

I was slowly pulling into a parking space and as I applied pressure to the brakes, there was no response. In fact the car seemed to rev up and accelerate, jumping the curb and ramming a tree. I was

20210507Component: VEHICLE SPEED CONTROLCrash reported

ON APRIL 12, 2021 I WAS DRIVING MY 2021 BMW X3 AND AS I WAS PULLING UP INTO A PARKING STALL, MY VEHICLE ACCELERATED ON ITS OWN CAUSING MY VEHICLE TO COLLIDE WITH A BRICK WALL.

Showing the 5 most serious of 131 complaints filed with NHTSA.

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