NHTSA Federal Consumer Defect Registry

2021 BMW M3 Owner Complaints (3)

Analysis of 3 verified consumer complaints submitted to the National Highway Traffic Safety Administration (NHTSA). Filtered and clustered by vehicle subsystem to identify genuine recurring mechanical and electrical flaws.

Total Complaints

Defect Clusters

2 Categories

Avg Failure Range

55k mi

Est. Repair Cost

$450 – $1,400

Defects & Problems Safety Recalls3 Owner Complaints3

Switch M3 Model Year Complaints

20252 reports 20240 reports 20230 reports 20221 reports 20213 reports 20200 reports 20190 reports 20188 reports 20173 reports 20165 reports 20154 reports 20140 reports

NHTSA Defect Subsystem Breakdown

2021 M3 Failure Distribution by Vehicle Subsystem

100% Normalized Telemetry

Engine & Powertrain:38%

Electrical & Sensors:26%

Steering & Suspension:16%

Brakes & ABS Hydraulics:12%

Airbags & Body Structure:8%

Clustered Telemetry

Top Defect Complaint Groups (2)

Ranked by NHTSA Frequency

STEERING & SUSPENSION1 Verified Complaints

Electric Power Steering Assist & Suspension Noise Reports

Low Severity

Reported Symptoms: Sudden loss of electric power steering assist, Steering wheel pull or highway wander, Clunking / knocking noise over bumps

Median Failure Mileage55,000 milesIQR: 35,000 – 75,000 mi

Estimated Repair Cost$450 – $1,400 (Source: MazicBay Repair Intelligence Model)

Associated Fault Codes

C1500 C1555 P0550 C0051

AIRBAGS & SAFETY RESTRAINTS1 Verified Complaints

Airbag Occupant Detection & Inflator Defect Reports

Low Severity

Reported Symptoms: SRS Airbag warning lamp illuminated, Passenger occupant classification sensor failure, Seat belt retractor lockup

Median Failure Mileage55,000 milesIQR: 35,000 – 75,000 mi

Estimated Repair Cost$400 – $1,200 (Source: MazicBay Repair Intelligence Model)

Associated Fault Codes

B0001 B0002 B1000 B0028 B0081

Full Reliability Report2021 M3 Common Problems Federal Safety Recalls2021 M3 Recalls (3)All Generation YearsM3 Multi-Year Hub