Recalls (7)
NHTSA lists 7 recall campaigns for the 2021 BMW X4. Check whether yours was repaired with NHTSA's free VIN lookup ↗
Only NHTSA and your automaker know whether your specific car was repaired. PlainVIN shows every recall campaign listed for a model year, with the official text and how many cars have been fixed so far.
Check on NHTSA ↗Starter Motor May Overheat and Cause a Fire
- Summary
- BMW of North America, LLC (BMW) is recalling certain 2021-2023 Toyota Supra, 2022-2023 2 Series Coupe, 2021-2024 5 Series (xDrive), 2021-2022 Z4, 2022-2024 4 Series (Gran Coupe), 2021-2024 4 Series (Convertible and xDrive Convertible), 2021-2023 4 Series (Coupe), 2021-2024 3 Series, 2021-2023 X4, 2021-2024 X3 vehicles. Please see the recall report for a complete list of all models. The engine starter may overheat and catch fire due to wear on an internal component.
- Consequence
- Fire increases the risk of injury.
- Remedy
- Dealers will replace the engine starter, free of charge. Owner notification letters were mailed July 21, 2026. Owners may contact BMW customer service at 1-800-525-7417 or Toyota's customer service at 1-800-331-4331. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning March 24, 2026.
Engine Starter May Corrode and Overheat
- Summary
- 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. The engine starter relay may corrode, causing the relay to overheat and short circuit.
- 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 complete. Dealers will replace the engine starter, free of charge. Owner notification letters were mailed February 6, 2026. Owners may contact BMW customer service at 1-800-525-7417. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov November 14, 2025.
Front Seats Not Properly Welded
- Summary
- 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. The seat frame may not have been welded properly to the seat rails.
- Consequence
- An improperly welded seat frame may not properly restrain the occupant during a crash, increasing the risk of injury.
- Remedy
- Dealers will replace the seat frame and back rest, free of charge. Owner notification letters were mailed May 22, 2023. Owners may contact BMW customer service at 1-800-525-7417.
Loss of Braking Assist
- Summary
- 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. During engine start, the engine management software may cause loss of braking assist. Full mechanical braking (without assist) remains available.
- Consequence
- Loss of braking assist can increase the risk of a crash.
- Remedy
- Dealers will update the engine management software, free of charge. Owner notification letters were mailed on September 17, 2021. Owners may contact BMW customer service at 1-800-525-7417.
Fuel Tank Weld may Fail and Allow Fuel Leak
- Summary
- 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 pipe to separate from the fuel tank.
- 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 scheduled to begin May 17, 2021. Owners were also contacted by telephone. To date, all repairs have been done. No further owner notification letters will be sent. Owners may contact BMW customer service at 1-800-525-7417.
Rearview Camera Image Malfunction/FMVSS 111
- Summary
- 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 xDrive40i, X7 xDrive50i, X7 M50i, Alpina XB7, 330i, 330i xDrive, M340i, M340i xDrive, and 8 Series Coupe, Convertible and Grand Coupe, 840i, 840i xDrive, M850i xDrive, M8, 2020-2021 530e, 530e xDrive, 330e, 330e xDrive, 745Le, 745Le xDrive, X5 xDrive45e, X3 xDrive30e, X6 sDrive40i, X6 xDrive40i, X6 xDrive50i, X6 M50i, X6M, 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 740i, 740Li, 740Li xDrive, M760i Drive, M760Li xDrive, 750Li xDrive Alpina, Alpina B7 xDrive, and 2021 4 Series Coupe 430i, 430i xDrive, M440i xDrive vehicles. When shifting into Reverse, a small portion of the rearview image may be obscured, or the screen may not illuminate. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
- Consequence
- If the driver relies on only the rearview camera image, the missing or reduced rearview image view can increase the risk of a crash or injury.
- Remedy
- BMW will notify owners, and dealers will inspect the rearview camera software and update it if necessary, free of charge. The recall began April 16, 2021. Owners may contact BMW customer service at 1-800-525-7417.
Rearview Camera Image Obscured/FMVSS 111
- Summary
- 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 xDrive, and 550e iPerformance vehicles. A small portion of the rearview image may be slightly obscured. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
- Consequence
- If the driver relies on only the rearview camera image, the reduced rearview image view can increase the risk of a crash or injury.
- Remedy
- BMW will notify owners, and dealers will inspect and, if necessary, program the rearview camera with updated software. The recall began November 18, 2020. Owners may contact BMW customer service at 1-800-525-7417.
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Owner complaints (6)
6 complaints filed with NHTSA (owner reports, not verified findings). The engine is mentioned most often.
As reported by owners in their complaints. These are reports, not NHTSA findings.
Most-reported components
| Component | Complaints | % of 6 |
|---|---|---|
| Engine | 2 | 33.3% |
| Seat belts | 2 | 33.3% |
| Power train | 1 | 16.7% |
| Suspension | 1 | 16.7% |
| Unknown or other | 1 | 16.7% |
How 2021 compares with other X4 years
Best and worst X4 years →| Model year | Complaints | Recall campaigns |
|---|---|---|
| 2016 | 10 | 2 |
| 2017 | 3 | 2 |
| 2018 | 11 | 1 |
| 2019 | 10 | 7 |
| 2020 | 15 | 10 |
| 2021 | 6 | 7 |
| 2022 | 4 | 5 |
| 2023 | 8 | 2 |
| 2024 | 3 | 1 |
| 2025 | 4 | 1 |
Counts are owner reports, not failure rates. Higher sales years tend to draw more reports. Owners are still filing reports for recent model years, so these counts will grow. Source: NHTSA ODI, retrieved Oct 6, 2026.
Fuel economy: up to 25 mpg combined
- EPA annual fuel cost
- $3,300
- CO₂ tailpipe
- 351 g/mi
- EPA class
- Small Sport Utility Vehicle
What it costs you to run
Miles ÷ 25 mpg × $4.354 (EIA US average regular, week of Oct 5, 2026, all taxes included). Source: EPA · EIA.
EPA label estimates from lab tests; your mileage will vary.
Specs by configuration
| Engine · transmission | Drive | City / Hwy / Comb | EPA $/yr | CO₂ g/mi |
|---|---|---|---|---|
| 2 L 4-cyl · 8-speed automatic | All-Wheel Drive | 23 / 29 / 25 | $3,300 | 351 |
| 3 L 6-cyl · 8-speed automatic | All-Wheel Drive | 21 / 27 / 23 | $3,550 | 379 |
| 3 L 6-cyl · 8-speed automatic | All-Wheel Drive | 14 / 19 / 16 | $5,150 | 546 |
| 3 L 6-cyl · 8-speed automatic | All-Wheel Drive | 14 / 19 / 16 | $5,150 | 546 |
Source: EPA fuel economy data, retrieved Oct 6, 2026. Configurations are listed when EPA and NHTSA records match.

Looking at a 2021 X4 for sale?
Print a one-page buyer's checklist: each recall campaign with a box to tick when the seller shows proof of repair, the top complaint areas to inspect, crash stars, MPG, and a link back to this page.
Where to next
2021 BMW X4 FAQ
How many recalls does the 2021 BMW X4 have?
NHTSA lists 7 recall campaigns: 26V056000 (electrical), 25V636000 (electrical), 23V211000 (seat), 21V598000 (engine), 21V199000 (fuel system), 21V096000 (rear camera), 20V598000 (rear camera). Use NHTSA's VIN lookup to see whether a specific car was repaired.
What are the most common 2021 BMW X4 problems?
Owners filed 6 complaints with NHTSA. Engine (2), Seat belts (2), Power train (1) are mentioned most. These are owner reports, not verified findings.
What mpg does the 2021 BMW X4 get?
EPA rates the 2 L 4-cyl · 8-speed automatic version at 23 city, 29 highway and 25 combined mpg. Other configurations are listed in the fuel economy section.
How does the 2021 X4 compare with other years?
Among the 2016–2021 BMW X4 model years at least five years old, the 2017 drew the fewest complaints (3) and the 2020 the most (15). The 2021 drew 6. Counts are owner reports, not failure rates.
How this page was madeSources, processing, limits, review and changes
Data sources
- NHTSA recalls by vehicle
Retrieved Oct 6, 2026 - US DOT recall completion rates (data.transportation.gov)
Retrieved Oct 6, 2026 - NHTSA ODI owner complaints
Retrieved Oct 6, 2026 - NHTSA NCAP 5-Star Safety Ratings
Retrieved Oct 6, 2026 - EPA fuel economy data (licence confirmation pending)
Retrieved Oct 6, 2026 - EIA weekly retail gasoline prices
Weekly, all taxes included
Processing
- Complaints are counted per component. One complaint can list several, so component totals add up to more than the total.
- Fuel cost = miles per year ÷ EPA combined mpg × EIA weekly price for your region.
Limitations
- Complaint counts are owner reports, not verified findings or failure rates. There is no sales denominator.
- Recall campaigns are listed for the model year. Only NHTSA and the automaker know whether a specific car was repaired.
- Recent model years are still collecting reports.
Review
Data compiled automatically from the official files listed here.
Changelog
- 2026-10-06 Data refreshed from the official files.