BMW 440i Cabin Air Filter by Year
The BMW 440i (2017–2020) uses a consistent filter part number across all 4 checked model years. Select a year below to open the exact page with source notes before ordering.
| Year | Filter | Source coverage | Page |
|---|---|---|---|
| 2020 | WIX 24255 / Purolator C31382 | Verified fit | Open record → |
| 2019 | WIX 24255 / Purolator C31382 | Verified fit | Open record → |
| 2018 | WIX 24255 / Purolator C31382 | Verified fit | Open record → |
| 2017 | WIX 24255 / Purolator C31382 | Verified fit | Open record → |
Filter part number
WIX 24255 / Purolator C31382
Same across all 4 listed years
BMW 440i cabin air filter — frequently asked questions
- What cabin air filter fits the BMW 440i?
- Checked catalogs list WIX 24255 / Purolator C31382 as a compatible cabin air filter for the BMW 440i (2017–2020). Confirm this part number in the seller's vehicle selector before ordering.
- How many years of BMW 440i cabin air filter data do you have?
- Our checked records cover 4 model years for the BMW 440i (2017–2020). Select a year in the table above to open the exact fitment record.
- How often should I replace the BMW 440i cabin air filter?
- Most manufacturers recommend replacing the cabin air filter every 15,000–25,000 miles or once a year, whichever comes first. Check your BMW 440i owner's manual for the exact interval and inspect it at every oil change.
Look up a specific BMW 440i year
Select a model year to open the exact checked cabin air filter fitment record before ordering.