Table 1 shows one common engine and engine cooling related problems of the 2015 BMW M3.
| Problem Category | Number of Problems |
|---|---|
| Engine Failure problems |
Crank hub spun timing sprocket causing valves to impact piston and catastrophic engine failure. Quoted more than $10k out of pocket to repair. This is caused due to poor crank hub design. Car companies have been using keyed crankhubs for generations but BMW decided to not used a keyed hub. . This is very negligent considering how many of these vehicles have engine failure due to this.