BMW 340i Cabin Air Filter by Year
The BMW 340i (2016–2018) uses a consistent filter part number across all 3 checked model years. Select a year below to open the exact page with source notes before ordering.
| Year | Filter | Source coverage | Page |
|---|---|---|---|
| 2018 | WIX 24255 / Purolator C31382 | Verified fit | Open record → |
| 2017 | WIX 24255 / Purolator C31382 | Verified fit | Open record → |
| 2016 | WIX 24255 / Purolator C31382 | Verified fit | Open record → |
Filter part number
WIX 24255 / Purolator C31382
Same across all 3 listed years
BMW 340i cabin air filter — frequently asked questions
- What cabin air filter fits the BMW 340i?
- Checked catalogs list WIX 24255 / Purolator C31382 as a compatible cabin air filter for the BMW 340i (2016–2018). Confirm this part number in the seller's vehicle selector before ordering.
- How many years of BMW 340i cabin air filter data do you have?
- Our checked records cover 3 model years for the BMW 340i (2016–2018). Select a year in the table above to open the exact fitment record.
- How often should I replace the BMW 340i 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 340i owner's manual for the exact interval and inspect it at every oil change.
Look up a specific BMW 340i year
Select a model year to open the exact checked cabin air filter fitment record before ordering.