| Variant | Engine | Drivetrain | Transmission | City | Highway | Combined | EV Range | Est. Annual Fuel Cost |
| X4 xDrive30i | 2L 4-Cyl | All-Wheel Drive | Automatic (S8) | 23 MPG | 28 MPG | 25 MPG | — | $3,050 / yr |
| X4 M40i | 3L 6-Cyl | All-Wheel Drive | Automatic (S8) | 21 MPG | 27 MPG | 23 MPG | — | $3,300 / yr |
| X4 M | 3L 6-Cyl | All-Wheel Drive | Automatic (S8) | 14 MPG | 19 MPG | 16 MPG | — | $4,750 / yr |
| X4 M Competition | 3L 6-Cyl | All-Wheel Drive | Automatic (S8) | 14 MPG | 19 MPG | 16 MPG | — | $4,750 / yr |
Data Boundary Note: EPA specifications are shown by certified vehicle configuration. NHTSA complaints and recall totals are recorded at the model-year level across all configurations.
| Tested Drivetrain / Cab Variant | Overall Rating | Frontal Crash | Side Crash | Rollover Rating | Rollover Risk |
| SUV AWD | Not Rated | Not Rated | Not Rated | Not Rated | — |
Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Standard and Lane Departure Warning (LDW) is documented as Optional in official NHTSA records for tested 2020 BMW X4 models.
View complete 2020 BMW X4 crash test & safety breakdown →
Top Reported Problem Categories
Ranked by total consumer complaint submissions recorded by NHTSA
Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.
View all 2020 BMW X4 problems & component breakdown (14 categories) →
Affected Component: SUSPENSION:FRONT
Defect Summary: BMW of North America, LLC (BMW) is recalling certain 2020 X3 sDrive30i, X3 xDrive30i, and X3 M40i vehicles, X4 xDrive30i, and X4 M40i vehicles. The front axle swivel bearings may not have been properly heat treated during manufacturing, reducing their strength and possibly causing them to break.
Free Manufacturer Remedy: BMW has notified owners and instructed them to not drive their vehicles. Dealers will replace the front axle swivel bearings, free of charge. Owners may contact BMW customer service at 1-800-525-7417.
Affected Component: ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
Defect 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.
Free Manufacturer 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.
Affected Component: ENGINE
Defect 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.
Free Manufacturer 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.
View all 2020 BMW X4 recalls & campaign history (10 campaigns) →
