Question: are used bmw m3 reliable?
Answer: The BMW M3 Reliability Rating is 2.0 out of 5.0, which ranks it 29th out of 31 for luxury midsize cars. The average annual repair cost is $1,161 which means it has poor ownership costs. Repairs are more frequent and more lkely to be severe than the average car, which means you can expect more major repairs for the M3.