Car Performance Specs

1. Open the hood and take a look inside the engine. The air filter on the 330I is found in the front left side of the engine compartment. It can be mounted vertically or horizontally in the 3 series, and will be in a black housing.
2. Pull on the top of the cover and the filter will come out of the housing.
3. Remove leaves, twigs or other debris in the housing.
4. Unwrap your new filter and slide it back in. Snap the top cover back on.