2018 Bmw M240i
The Verdict
The 2018 Bmw M240i has 2 owner complaints filed with NHTSA. The most reported issue is electrical (2 complaints). With a Klunk Score of 100/100, it earns a "Smooth Ride" rating. If you're shopping for a Bmw M240i, consider the 2025 model year which has 50% fewer complaints.
Safe Bet
The 2025 has 50% fewer complaints
View the 2025 Bmw M240i dashboard →
Klunk Score: Smooth Ride
This vehicle year has significantly fewer complaints than average. A reliable choice.
How is this calculated?
The Klunk Score ranks this vehicle year against all others in our database based on total owner complaints filed with NHTSA. 100 = fewest complaints (top tier), 0 = most complained-about. Scores above 60 are better than average; below 40 means more problems than most.
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Under the Hood
Each number is a complaint. Darker = bigger problem.
By Category
By Severity
Worst Problems
Complaints
2018 BMW M240i - no sound from radio, or any aux input. May be blown amplifier. Extremely loud crackling sound, intermitent sound.
Each of the two LED taillights have failed. The right rear LED turn signal failed in the Spring of 2022 when the car had approximately 12,000 miles of use and the left rear LED turn signal failed in the Fall of 2023 when the car had approximately 15,000 miles of use.