The catalytic converter helps to minimize the level of exhaust emission in a vehicle. A clogged or damaged catalytic converter fails to do its job as a result of which your BMW X1 might fail an emission test. Moreover, a defective catalytic also adversely affects the performance of your vehicle. So, signs of a failing catalytic converter should not be overlooked. Moreover, factors responsible for the failure of the catalytic converter should be identified and repaired as soon as possible. To know more, have a look at the video.