FaultScore

Worst years for a BMW X4

Owners have filed 137 complaints about the BMW X4 with NHTSA across model years 2015 to 2025. More of them are about the engine & cooling than anything else.

Avoid

2015 BMW X4

30 complaints — the highest FaultScore of any year, mostly engine & cooling.

Cleanest on record

2016 BMW X4

16 complaints — the lowest FaultScore of the graded years.

Every BMW X4 year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2025 1 0 0 Engine & Cooling
2024 4 2 0 Transmission & Drivetrain
2023 C 11 6 1 Driver Assist & Collision Avoidance
2022 4 0 0 Brakes
2021 7 0 0 Engine & Cooling
2020 D 23 2 0 2,000 Electrical System
2019 C 14 0 1 7,600 Electrical System
2018 D 19 2 3 Engine & Cooling
2017 8 0 0 73,000 Electrical System
2016 C 16 1 0 69,777 Engine & Cooling
2015 F 30 4 3 36,500 Engine & Cooling

What breaks on a BMW X4

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Engine & Cooling 27 19.7%

Worst in 2018

Worst in 2018

Brakes 14 10.2%

Worst in 2015

Other & Unspecified 14 10.2%

Worst in 2015

Transmission & Drivetrain 11 8.0%

Worst in 2015

Driver Assist & Collision Avoidance 8 5.8%

Worst in 2023

Airbags 7 5.1%

Worst in 2020

Suspension 6 4.4%

Worst in 2020

Fuel & Propulsion 5 3.6%

Worst in 2015

Seat Belts 4 2.9%

Worst in 2020

Steering 2 1.5%

Worst in 2020

Body & Structure 2 1.5%

Worst in 2020

Acceleration & Cruise Control 2 1.5%

Worst in 2015

Lights 2 1.5%

Worst in 2015

Complaints filed over time

Every complaint about every BMW X4, by the month it reached NHTSA.

Jun 2015 peak 7 Aug 2026

Compare the BMW X4

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.