How to Replace a BMW E46 A/C cabin air filter

Just like at home, your A/C unit needs its filter to be replaced on a consistent basis. Not doing so will result in a poor performing unit and bad air quality for you and others. The same goes for car A/Cs as well. Not changing it can affect how your A/C will perform. So in this tutorial, you'll be finding out how to replace a BMW E46 A/C cabin filter easily. So check it out and enjoy!