BMW 645 owners have reported a total of 59 problems for their cars built in the 3 model years listed in the chart below. The chart shows the number of problems reported across all service years for each given model year of the BMW 645. The 2005 BMW 645 cars have the most problems reported (43 problems).
The following chart shows the 13 most common problems for BMW 645 cars. The number one most common problem is related to the vehicle's air bags (14 problems). The second most common problem is related to the vehicle's seat belts (8 problems).