Sometimes bad things happen to good cars. In this case, an electric power steering system caught fire and died while the car was in motion. But there’s a positive side to this, since thankfully no one was injured and it gave the M3 Product Teardown Team a chance to find out how the system operates (and maybe a chance to figure out why it caught fire).
Most interestingly, though, was the fact that when the failure happened, the car was still steerable even though the power steering unit was toast. How is it possible that when the electric motor that moved the front wheels was not working, the car was still drivable? Let’s find out, shall we?
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