Bmw M4 years to avoid

Every Bmw M4 model year on file (2015-2016), ranked worst to best by severity index - the share of owner complaints that report a crash, fire, injury or fatality.

2016
Worst year on file
73.5
Severity index
Engine
Most-reported system
2015
Cleanest year on file

Ranked worst to best

#Model yearSeverityComplaintsMost-reported system
12016 Bmw M473.5 Medium21Engine
22015 Bmw M459.8 Medium12Engine
A high rank here means a larger share of this year's complaints described a crash, fire or injury - not that the vehicle is unsafe to drive, and not a reliability or repair-cost rating. Complaint counts are not normalised by units sold.

Bmw M4 complaints and recalls by year

Model yearComplaintsRecallsCrashesFiresSeverityMost-reported system
20151230159.8 MediumENGINE
20162130273.5 MediumENGINE
Source. NHTSA public complaint and recall APIs. Complaint counts are not normalised by units sold; a high-volume seller will attract more filings than a rare trim.