FaultScore

Worst years for a BMW 540I

Owners have filed 340 complaints about the BMW 540I with NHTSA across model years 1994 to 2025. More of them are about the engine & cooling than anything else.

Avoid

2018 BMW 540I

57 complaints — the highest FaultScore of any year, mostly airbags.

Cleanest on record

1994 BMW 540I

12 complaints — the lowest FaultScore of the graded years.

Every BMW 540I 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 Wheels
2024 C 10 2 0 Driver Assist & Collision Avoidance
2023 7 4 0 Brakes
2022 7 3 0 Fuel & Propulsion
2021 C 13 3 0 Brakes
2020 3 0 0 Engine & Cooling
2019 D 14 3 0 16,048 Acceleration & Cruise Control
2018 F 57 6 0 6,500 Airbags
2017 C 33 0 0 21,000 Airbags
2003 9 0 0 92,000 Airbags
2002 B 17 1 0 98,000 Electrical System
2001 B 18 1 0 93,500 Electrical System
2000 D 36 1 3 95,010 Engine & Cooling
1999 B 29 1 0 71,000 Engine & Cooling
1998 B 28 0 0 52,936 Engine & Cooling
1997 C 31 0 2 75,000 Engine & Cooling
1995 C 15 1 2 84,000 Engine & Cooling
1994 A 12 0 0 82,000 Engine & Cooling

What breaks on a BMW 540I

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

Engine & Cooling 70 20.6%

Worst in 1998

Airbags 49 14.4%

Worst in 2018

Worst in 2000

Transmission & Drivetrain 23 6.8%

Worst in 1994

Brakes 21 6.2%

Worst in 1999

Steering 17 5.0%

Worst in 2002

Seats 17 5.0%

Worst in 2018

Seat Belts 16 4.7%

Worst in 2018

Other & Unspecified 14 4.1%

Worst in 2018

Driver Assist & Collision Avoidance 13 3.8%

Worst in 2024

Acceleration & Cruise Control 8 2.4%

Worst in 2019

Lights 8 2.4%

Worst in 2000

Tires 8 2.4%

Worst in 2017

Windows, Mirrors & Wipers 7 2.1%

Worst in 1997

Exactly what failed on a BMW 540I

The named sub-assemblies behind those complaints, across every model year.

Radiator Assembly 24 35.8%
Cooling System 9 13.4%
Automatic Transmission 9 13.4%
Occupant Classification 5 7.5%
Gasoline 4 6.0%
Antilock/Traction Control/Electronic Limited Slip 4 6.0%
Rearview System Braking 3 4.5%
Automatic Emergency Braking 3 4.5%
Side/Window 3 4.5%
Catalytic Convertor 3 4.5%

Complaints filed over time

Every complaint about every BMW 540I, by the month it reached NHTSA.

Jan 1999 peak 9 Jul 2026

Compare the BMW 540I

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