2023 BMW Alpina XB7 engine air filter: Sizes & Replacement Parts
Catalog-backed engine air filter part numbers for the 2023 BMW Alpina XB7 4.4L V8 turbo include WIX WA11909 / Purolator A31850. Confirm the final part number before checkout.
Looking for the cabin / A/C air filter instead? 2023 BMW Alpina XB7 cabin air filter →
Choose your engine size
The 2023 BMW Alpina XB7 uses different engine air filter part numbers by engine. Select your engine, then use the part numbers in that panel.
4.4L V8 turbo
Main catalog answer: WIX WA11909 / Purolator A31850
- Filter type
- Basic
- Sources
- WIX Filters, Purolator Now
The Direct Fit part is the primary catalog listing for this engine row. WIX WA11910, Purolator A31849 are also listed by checked catalogs for this same engine row.
Links search this exact part number. Confirm 2023 BMW Alpina XB7 and the 4.4L V8 turbo engine in the seller's vehicle selector before checkout.
Fitment scope and limits
This 2023 BMW Alpina XB7 engine air filter page has one checked engine row. Confirm the same vehicle in the seller's selector before checkout.
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 4.4L V8 turbo | 2026-06-26 |
| WIX Filters | Corroboration | Filter for 4.4L V8 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.
2023 BMW Alpina XB7 maintenance checklist
One part checked. Look up the rest while you're here.
- Cabin air filter 2023 BMW Alpina XB7 cabin filter part numbers
- Engine air filter WIX WA11909 / Purolator A31850 Checked
- Wiper blade size 2023 BMW Alpina XB7 driver & passenger blade sizes
- Oil type & capacity 2023 BMW Alpina XB7 oil viscosity & fill amount
Questions this page answers
What engine air filter fits the 2023 BMW Alpina XB7 4.4L V8 turbo?
Checked catalogs list WIX WA11909, WIX WA11910, Purolator A31850, Purolator A31849 for the 2023 BMW Alpina XB7 4.4L V8 turbo. The primary listing is WIX WA11909 / Purolator A31850, with WIX WA11910, Purolator A31849 also listed. Confirm this part number in the seller's vehicle selector before ordering.
Is the 2023 BMW Alpina XB7 engine air filter the same across all engine options?
This 2023 BMW Alpina XB7 engine air filter page has one checked engine row. Confirm the same vehicle in the seller's selector before checkout.
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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