What is the method for replacing the cabin air filter in a BMW 320i?
4 Answers
Method for replacing the cabin air filter in a BMW 320i: 1. Remove the dampers on both sides of the glove box, then take out the glove box; 2. After removing the glove box, you will see the blower motor and the cabin air filter; 3. Release the clip on the right side of the cabin air filter cover and remove the old filter; 4. When installing the new cabin air filter, pay attention to ensure the arrow on the filter faces upward; 5. Replace the cabin air filter cover and secure the right-side clip; 6. Reinstall the glove box to its original position and attach the left and right dampers to their corresponding positions on the glove box. The BMW 320i has body dimensions of 4719mm in length, 1827mm in width, and 1459mm in height, with a wheelbase of 2851mm. The front suspension type is a double-joint spring strut front axle, and the rear suspension type is a multi-link independent suspension.
I just learned how to replace the cabin air filter for my BMW 320i, and it turned out to be much simpler than I expected. Doing it myself saved me a good amount of money. The filter is hidden in the footwell area on the passenger side—you just need to remove the glove compartment by taking out those clips or screws, but avoid using excessive force to prevent damaging the plastic parts. When removing the old filter, pay attention to the airflow direction arrow, usually pointing toward the front of the car, and make sure the new filter is installed in the correct orientation. The whole process takes no more than 20 minutes, and all you need is a Phillips screwdriver and a pair of disposable gloves. Remember to choose the filter model C28005 or check the manual for the right match to avoid buying the wrong one. Replacing it once a year keeps the cabin air fresh, especially during summer when the AC is used frequently—dust and pollen buildup can cause unpleasant odors. After doing it myself, I discovered a small joy in car maintenance and felt a real sense of accomplishment.
As someone who frequently helps friends with car maintenance, replacing the BMW 320i's cabin air filter is one of the quickest jobs. Located in the passenger footwell, make sure the engine is off and the key is removed before dismantling the glove box to avoid accidentally triggering the electronic systems. It's recommended to have a small Phillips screwdriver and anti-slip gloves ready, applying gentle force when removing panels or clips. After taking out the old filter, check if it's dirty – if it's blackened, it means it should've been replaced long ago. Install the new filter with the arrow pointing forward or refer to the manual's diagram. The whole process takes 10-15 minutes, and doing it annually ensures odor-free airflow. If the glove box is tricky to remove, search for video tutorials on YouTube for assistance. I also suggest testing the AC after replacing the filter – if the air circulates normally, you're good to go. DIY saves money and is convenient; beginners can take it step by step.
When I changed the BMW 320i's cabin air filter for the first time, I was a bit flustered, but later realized it's actually quite simple. Locate the area under the front passenger seat, lift the floor mat to reveal a small panel. After unscrewing the fastener, you can reach inside to feel the filter housing. Pull out the old one while noting its orientation, and when inserting the new filter, ensure the arrow points forward to avoid incorrect installation. The whole process doesn't require professional tools – a regular screwdriver and some tissue for dust cleaning are sufficient at home. Beginners are advised to purchase a compatible filter matching the model, such as OEM or aftermarket parts, which only costs around tens of RMB. If installed correctly, the AC will blow fresh air immediately. Replace it annually to prevent dust accumulation affecting respiratory health. Try this method, and it'll save you trips to the repair shop.
