VehicleVerdict

2021 BMW X4 problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 7 complaints on file for the 2021 BMW X4 — too few to judge reliability from owner reports alone — but 7 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work.

7

NHTSA complaints

7

Recalls

0

Investigations

0

Crash-involved

0

Fires reported

0

Injuries

0

Deaths

NCAP overall

How does 2021 compare to other X4 years?

X4 NHTSA complaints by model year, 2021 highlighted30 complaints2014: 0 complaints2015: 30 complaints2016: 16 complaints2017: 8 complaints2018: 19 complaints2019: 12 complaints2020: 23 complaints2021: 7 complaints2022: 4 complaints2023: 10 complaints2024: 3 complaints2025: 0 complaints2026: 0 complaints
X4 NHTSA complaints by model year, 2021 highlighted. Red bars are years to avoid.

See all X4 years to avoid →

What are the most common 2021 BMW X4 problems?

ComponentComplaintsShare
Engine229%
Seat Belts229%
Other114%
Suspension114%
Transmission114%

Does the 2021 BMW X4 have recalls?

7 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

26V056000Electrical SystemJanuary 30, 2026 · 87,394 units

Defect

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. A letter informing owners of the safety risk was mailed on March 27, 2026. Owners will receive another letter once the remedy is available. 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.

25V636000Electrical SystemSeptember 23, 2025 · 199,674 units

Defect

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 will be searchable on NHTSA.gov beginning November 14, 2025.

23V211000SeatsMarch 29, 2023 · 51 units

Defect

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.

21V598000EngineAugust 2, 2021 · 50,024 units

Defect

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.

21V199000Fuel SystemMarch 24, 2021 · 17 units

Defect

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.

21V096000Driver AssistanceFebruary 19, 2021 · 13,858 units

Defect

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.

20V598000Driver AssistanceSeptember 30, 2020 · 312 units

Defect

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.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

The contact owns a 2021 BMW X4. The contact received notification of NHTSA Campaign Number: 25V636000 (Electrical System). While the vehicle was in park(P), there were abnormal sounds coming from the engine. The contact stated that when the vehicle was shifted into drive(D) and the brake pedal was…

Complaint filed with NHTSA · Engine · December 15, 2024

BOTH rear seat belts have broken off in the same spot. Went to use the driver's side rear seat belt and found it had been broken (frayed off). Moved to the passenger side and found the exact same thing. This could have been a bad situation if in an accident had occurred where they had not…

Complaint filed with NHTSA · Seat Belts · January 10, 2026

transfer case AWD/xDrive system drivetrain components The dealer diagnosed a transfer case failure on the BMW X4 xDrive. Vehicle displayed drivetrain malfunction warning. Repair estimate exceeds $20,000. The vehicle has under 50,000 miles. The issue appears consistent with known xDrive transfer…

Complaint filed with NHTSA · Other · January 7, 2026

I am reporting a safety concern regarding BMW vehicles equipped with the B58 Technical Update (B58TU) engine, commonly found on models from 2019 to 2021. The oil pump in these vehicles is failing prematurely. I was told this by service technicians at BMW and confirmed it through my own research.…

Complaint filed with NHTSA · Transmission · March 27, 2026

What component or system failed or malfunctioned, and is it available for inspection upon request? - Suspension How was your safety or the safety of others put at risk? - Its giving head ache and body pain, driver & passengers are jumping / shaking / feeling very uncomfortable Has the problem been…

Complaint filed with NHTSA · Suspension · January 2, 2023

2021 BMW X4 — common questions

Is the 2021 BMW X4 reliable?

The record is thin — 7 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 7 recalls should be verified as completed.

Does the 2021 BMW X4 have recalls?

Yes — NHTSA lists 7 recall campaigns affecting the 2021 BMW X4. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Which BMW X4 years should you avoid?

Based on complaint rates and open investigations, the X4 years to avoid are 2015, 2018, 2016, 2017. The cleanest record among X4 years belongs to 2026.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.