Checked oil specs by engine
2021 BMW M440i oil capacity, type & filter
The 2021 BMW M440i takes 7.6 qt of 0W-20 oil.
Applies to checked engine: 3.0L 6-Cyl Turbo. Also check 2021 BMW M440i xDrive .
PRO-TEC PXL10342 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
Search paths only — confirm your OEM viscosity spec and quantity before checkout.
2021 BMW M440i oil specs: capacity conditions and filter notes
All listed filter part numbers are compatible alternatives for your vehicle. Choose any one brand, then confirm the exact part number at checkout.
With filter means the volume includes a new filter. Service fill is the typical drain-and-fill amount. Dry fill is for a fresh empty engine only.
Retailer fitment tools may use different data. Confirm oil capacity, viscosity, and filter part number before ordering.
Source coverage for the 2021 BMW M440i
Supported by Castrol (Olyslager).
Supported by AMSOIL Lookup and Castrol (Olyslager).
Supported by K&N Filters, Purolator Part Finder, RockAuto, and AMSOIL Lookup.
5 checked source rows for the 2021 BMW M440i.
Before ordering for this 2021 BMW M440i
- Capacity
- 7.6 qt (Service fill)
- Oil type
- 0W-20
- Filter
- PRO-TEC PXL10342
Source check: Last checked 2026-06-27 from RockAuto, K&N Filters, AMSOIL Lookup, Purolator Part Finder, and Castrol (Olyslager).
BMW M440i oil specs by year
This table includes checked BMW M440i model years available in our database.
| Year | Capacity | Oil type | Filter |
|---|---|---|---|
| 2024 | 7.6 qt | 0W-20 | WIX 51032 |
| 2023 | 7.6 qt | 0W-20 | WIX 51032 |
| 2022 | 7.6 qt | 0W-20 | WIX 51032 |
| 2021 Current page | 7.6 qt | 0W-20 | PRO-TEC PXL10342 |
How we verified 2021 BMW M440i oil data
How we verify fitmentChecked fitment data. Last checked: 2026-06-27.
This page checked 5 sources for the 2021 BMW M440i. The table lists which checked source contributed capacity, oil type, or filter evidence.
We checked leading oil brands and aftermarket filter catalogs so you don't have to.
- Confidence
- Cross-check pending
- Sources checked
- 5
- Last checked
- 2026-06-27
- Capacity: Castrol (Olyslager)
- Oil type: AMSOIL Lookup and Castrol (Olyslager)
- Filter: K&N Filters, Purolator Part Finder, RockAuto, and AMSOIL Lookup
| Source | Supports | Checked | Link |
|---|---|---|---|
| RockAuto | Filter | 2026-06-27 | Checked source |
| K&N Filters | Filter | 2026-06-27 | Visit brand site |
| AMSOIL Lookup | Oil type, Filter | 2026-06-27 | Visit brand site |
| Purolator Part Finder | Filter | 2026-06-27 | Visit brand site |
| Castrol (Olyslager) | Capacity, Oil type | 2026-06-27 | Visit brand site |
2021 BMW M440i oil FAQ
Is the oil capacity measured with or without the filter?
Capacity condition matters. With filter includes a new filter. Service fill is the typical drain-and-fill amount. Dry fill is for a fresh empty engine only.
Why should I confirm before buying?
Retailer catalogs can update separately. Confirm the exact 2021 BMW M440i selector at checkout before you buy.
Do I also need to match the OEM oil approval?
Yes. Viscosity is only one part of the oil spec. Match the oil approval listed in your owner's manual or on the bottle before checkout.
How often should I change the oil on a 2021 BMW M440i?
Use the oil-life monitor or the interval in your owner's manual for this engine. Severe service can require a shorter interval.
Do I need a new drain plug gasket?
Replace it when your vehicle uses a serviceable gasket or crush washer. Confirm the gasket size and drain plug torque from the service manual or parts counter.
2021 BMW M440i maintenance checklist
One part checked. Look up the rest while you're here.
- Cabin air filter 2021 BMW M440i cabin filter part numbers
- Engine air filter 2021 BMW M440i engine filter part numbers
- Wiper blade size 2021 BMW M440i driver & passenger blade sizes
- Oil type & capacity 0W-20 · 7.6 qt Checked
Where to buy
These are retailer search paths for your vehicle. The specs above are checked — use the retailer's vehicle selector at checkout to confirm before ordering.
This section may include affiliate or sponsored retailer links. They are purchase paths, not fitment evidence.
Walmart
Compare oil and filter listings for the 2021 BMW M440i. Confirm capacity, viscosity, and filter part number before checkout.
Search 2021 BMW M440i oil & filter →AutoZone
Use AutoZone's vehicle selector for the 2021 BMW M440i before checkout to confirm oil capacity, viscosity, and filter fitment.
Search 2021 BMW M440i oil & filter →Amazon
Search Amazon listings for the 2021 BMW M440i and check listing fitment notes against the specs above.
Search 2021 BMW M440i oil & filter →O'Reilly
Open O'Reilly's fitment search for the 2021 BMW M440i and verify oil capacity, viscosity, and filter part number before ordering.
Search 2021 BMW M440i oil & filter →Look up another vehicle
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