Best Year to Buy a Bmw M240i
Reliability rankings across 4 model years, based on NHTSA owner complaints
Based on 4 model years of NHTSA complaint data, the 2017 Bmw M240i is the most reliable year to buy with a Klunk Score of 100/100 ("Smooth Ride") and only 3 owner complaints. The 2025 model year is the least reliable with 1 complaints and a score of 100/100 ("Smooth Ride").