2021 BMW X4 problems, complaints & recalls

Updated from NHTSA data · How we count

Owners have filed 6 complaints with NHTSA about the 2021 BMW X4, most often about seats & seat belts. There are 7 recalls for this model year.

Complaints
6
Recalls
7
Crashes
0
Fires
0
Injuries
0
Median mileage
70,000 mi
at time of problem

Safety warning: at least one recall for this vehicle tells owners to park outside until it is repaired. Check your VIN at nhtsa.gov/recalls.

Key facts

  • Engine is the most-reported problem area, named in 2 of 6 complaints (33%).
  • Seats & Seat Belts (2) and transmission & drivetrain (1) follow.
  • Half of the complaints that list mileage happened before 70,000 mi.
  • The 2021 BMW X4 has 7 recalls on file.
  • It ranks 8th of 11 BMW X4 model years by our severity-weighted complaint score (1st = worst).
  • That is 57% fewer complaints than the 2020 model year (14).

2021 BMW X4 problems by category

  • Engine
    2 complaints
  • Seats & Seat Belts
    2 complaints
  • Transmission & Drivetrain
    1 complaints
  • Other / Unknown
    1 complaints
  • Suspension
    1 complaints

A complaint can mention more than one problem area, so categories add up to more than the total.

Most-reported components

Component (as filed with NHTSA)Complaints
Engine2
Seat belts2
Power train1
Suspension1
Unknown or other1

When problems happen (mileage)

Under 10k10k–30k30k–60k160k–100k100k–150k150k+
Mileage at the time of the problem, for 2021 BMW X4 complaints that list mileage.

2021 BMW X4 recalls (7)

  • Recall 26V056000Jan 30, 202687,394 vehicles
    ELECTRICAL SYSTEM:STARTER ASSEMBLY

    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.

    Risk: 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.

  • Recall 25V636000Sep 23, 2025199,674 vehiclesPark outside
    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. The engine starter relay may corrode, causing the relay to overheat and short circuit.

    Risk: 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.

  • Recall 23V211000Mar 29, 202351 vehicles
    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. The seat frame may not have been welded properly to the seat rails.

    Risk: 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.

  • Recall 21V598000Aug 2, 202150,024 vehicles
    ENGINE

    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.

    Risk: 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.

  • Recall 21V199000Mar 24, 202117 vehicles
    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 pipe to separate from the fuel tank.

    Risk: 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.

  • Recall 21V096000Feb 19, 202113,858 vehicles
    BACK OVER PREVENTION: SENSING SYSTEM: CAMERA · BACK OVER PREVENTION:SOFTWARE

    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."

    Risk: 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.

  • Recall 20V598000Sep 30, 2020312 vehicles
    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 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."

    Risk: 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.

Recent 2021 BMW X4 complaints

Excerpts of the newest owner complaints, lightly cleaned of personal details. Complaints are unverified owner reports.

  1. Filed Apr 7, 2026TXEngineTransmission & Drivetrain
    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. The oil pump failure is due to a plastic adjusting ring breaking. The result is severe oil pressure loss and engine failure. This is uncommon for a vehicle that has 65k miles. The…
    NHTSA complaint #11729655 · source
  2. Filed Feb 11, 202670,000 miCAEngine
    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 depressed, there was an abnormal sound coming from the front of the vehicle. The vehicle was taken to a dealer on several occasions, but the failure was not duplicated. The vehicle…
    NHTSA complaint #11717328 · source
  3. Filed Feb 3, 2026CASeats & Seat Belts
    Went to sit in driver rear seat and put on my seat belt and found it frayed apart. Thought this was od and tried the rear passenger side only to find the exact same thing. Took it to the dealer in Visalia, CA. They said that they have never seen anything like that before. After discovering that both belts were broken in the same spot, they concluded it must be caused by wear in the retracting mechanism, but because the car was out of manufacturer's warranty they could only…
    NHTSA complaint #11715323 · source
  4. Filed Jan 26, 2026CASeats & Seat Belts
    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 completely frayed but would have failed. Took it to my local dealer and they had no answers as to how this could have happened but suggesting that it most likely happened inside the recoil…
    NHTSA complaint #11713399 · source
  5. Filed Jan 9, 2026OHOther / Unknown
    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 case complaints. The warning light came on on January 7, 2026, at approximately 6 pm.
    NHTSA complaint #11709969 · source
  6. Filed Feb 16, 2023TXSuspension
    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 reproduced or confirmed by a dealer or independent service center? - Dealer mentioned all good, it designed this way Has the vehicle or component been inspected by the…
    NHTSA complaint #11507631 · source

Compare the 2021 BMW X4 with another vehicle →

Other 2021 BMW models

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data, as of Oct 11, 2026. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology