2021 BMW 330e engine air filter: Sizes & Replacement Parts
I4 turbo: WIX WA11226; I4 turbo: Purolator A31773. Pick the engine tab that matches your car before ordering.
Looking for the cabin / A/C air filter instead? 2021 BMW 330e cabin air filter →
Choose your engine size
The 2021 BMW 330e uses different engine air filter part numbers by engine. Select your engine, then use the part numbers in that panel.
Not sure which engine you have?
Check the sticker on the driver's door jamb (open the door and look at the door frame) — it lists the engine displacement. You can also look at the rear of the car: a V6 badge means the larger engine; no engine badge typically indicates the base 4-cylinder (I4). When in doubt, check your owner's manual or the underhood emissions sticker.
I4 turbo
Main catalog answer: WIX WA11226
- Filter type
- Basic
- Sources
- WIX Filters
Links search this exact part number. Confirm 2021 BMW 330e and the I4 turbo engine in the seller's vehicle selector before checkout.
I4 turbo
Main catalog answer: Purolator A31773
- Filter type
- Basic
- Sources
- Purolator Now
Links search this exact part number. Confirm 2021 BMW 330e and the I4 turbo engine in the seller's vehicle selector before checkout.
Fitment scope and limits
The 2021 BMW 330e can use different engine air filters by engine size. Use the row for I4 turbo, I4 turbo, then confirm that same engine in the seller's vehicle selector.
The checked catalogs did not provide source-backed replacement interval for this exact record, so this page does not publish those fields.
Catalogs can list more than one part number for the same vehicle. Use this page to compare the listed numbers, then use the seller's vehicle selector before ordering.
Source notes
Listed in 2 catalogs. These part numbers come from filter manufacturer catalogs. Use the source trail below to see which catalog supported this page.
| Source | Role | Supports | Checked |
|---|---|---|---|
| Purolator Now | Primary | Filter for I4 turbo | 2026-06-26 |
| WIX Filters | Corroboration | Filter for I4 turbo | 2026-06-26 |
Checked catalogs: Purolator Now, WIX Filters. Replacement interval is not listed unless a source provides it for this exact vehicle and engine row.
2021 BMW 330e maintenance checklist
One part checked. Look up the rest while you're here.
- Cabin air filter 2021 BMW 330e cabin filter part numbers
- Engine air filter Match engine row Checked
- Wiper blade size 2021 BMW 330e driver & passenger blade sizes
Questions this page answers
What engine air filter fits the 2021 BMW 330e I4 turbo?
Checked catalogs list WIX WA11226 for the 2021 BMW 330e I4 turbo. The primary listing is WIX WA11226. Confirm this part number in the seller's vehicle selector before ordering.
What engine air filter fits the 2021 BMW 330e I4 turbo?
Checked catalogs list Purolator A31773 for the 2021 BMW 330e I4 turbo. The primary listing is Purolator A31773. Confirm this part number in the seller's vehicle selector before ordering.
How do I know which engine my 2021 BMW 330e has?
Check the sticker on the driver's door jamb — it lists the engine displacement. A "V6" badge on the rear of the car means the larger engine. No engine badge typically means the base 4-cylinder (I4). When in doubt, check your owner's manual or the underhood emissions sticker.
Is the 2021 BMW 330e engine air filter the same across all engine options?
The 2021 BMW 330e can use different engine air filters by engine size. Use the row for I4 turbo, I4 turbo, then confirm that same engine in the seller's vehicle selector.
Does this page confirm a replacement interval?
The checked catalogs did not provide source-backed replacement interval for this exact record, so this page does not publish those fields.
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