Did you know that your belts should be changed regularly between 60-90k miles. You will notice them starting to look cracked and worn out. Well, here’s a DIY to help you replace the old ones with new fresh ones!
BMW E-46 1998-2006
There are two different styles of tensioners, hydraulic and spring loaded. Each has a different way of releasing the tension.
Then install the AC belt as well.
Finally, reinstall the radiator fan and you’re done!