Checked oil specs by engine
2018 BMW M240i oil capacity, type & filter
The 2018 BMW M240i takes 6.5 qt of 0W-20 oil. Supported by 4 checked sources.
Applies to checked engine: 3.0L 6-Cyl Turbo. Also check 2018 BMW M240i xDrive .
Catalog selectors list the 2018 BMW M240i as its own oil row, separate from nearby BMW model rows. In the checked rows, the checked capacity, viscosity, and filter pattern is not identical to 2018 BMW M240i xDrive. Confirm the exact model name before buying oil or a filter; similar model names can share or split catalog rows. Current-row label: model qualifier absent. Nearby catalog rows add xDrive; use the seller row without that qualifier.
PRO-TEC PXL10342 is copied into the checkout checklist as the first source-backed candidate for the 3.0L 6-Cyl Turbo. 5 other candidate numbers are kept for cross-checking; confirm the exact filter in the retailer selector before buying.
Oil specs changed across adjacent model years (2017 and 2019) compared with this 2018 page — confirm this is the correct model year before ordering.
Search paths only — confirm the bottle matches your viscosity, API/OEM approval requirements, and purchase quantity before checkout.
2018 BMW M240i oil specs: capacity conditions and filter notes
The filter part numbers listed above come from checked source rows for this vehicle and engine. Use them as candidates, then confirm the exact part number at checkout; do not substitute across engine rows.
Retailer fitment tools may use different data. Confirm oil capacity, viscosity, and filter part number before ordering.
Quick reference for this 2018 BMW M240i
- Capacity
- 6.5 qt
- Oil type
- 0W-20
- Interval
- Check owner's manual / oil-life monitor
- Filter
- PRO-TEC PXL10342
Source check: Last checked 2026-06-23 from Pennzoil oil application database, RockAuto parts catalog, AMSOIL fitment lookup, and Purolator fitment catalog.
BMW M240i oil specs by year
The 2018 page is the seventh-newest M240i oil record. Oil specs changed in the 2019 and 2017 model years — confirm you are on the correct year before buying oil or a filter.
| Year | Capacity | Oil type | Filter |
|---|---|---|---|
| 2025 | 6.9 qt | 0W-20 | WIX 51032 |
| 2024 | 7.1 qt | 0W-20 | PRO-TEC PXL10342 |
| 2023 | 7.6 qt | 0W-20 | WIX 51032 |
| 2021 | 6.5 qt | 0W-20 | Purolator PL41404 |
| 2020 | 6.9 qt | 0W-20 | WIX 51032 |
| 2019 | 6.9 qt | 0W-20 | WIX 51032 |
| 2018 Current page | 6.5 qt | 0W-20 | PRO-TEC PXL10342 |
| 2017 | 6.9 qt | 0W-20 | WIX 51032 |
How we verified 2018 BMW M240i oil data
How we verify fitmentChecked fitment data. Last checked: 2026-06-23.
This page checked 4 sources for the 2018 BMW M240i. Capacity: Pennzoil oil application database; oil type: Pennzoil oil application database and AMSOIL fitment lookup; filter: Purolator fitment catalog, AMSOIL fitment lookup, and RockAuto parts catalog.
- Confidence
- Cross-check pending
- Sources checked
- 4
- Last checked
- 2026-06-23
- Capacity: Pennzoil oil application database
- Oil type: Pennzoil oil application database and AMSOIL fitment lookup
- OEM oil spec: Not source-backed on this page
- Filter: Purolator fitment catalog, AMSOIL fitment lookup, and RockAuto parts catalog
- Change interval: Not source-backed on this page
| Source | Supports | Checked | Link |
|---|---|---|---|
| Pennzoil oil application database | Capacity, Oil type | 2026-06-23 | Visit brand site |
| RockAuto parts catalog | Filter | 2026-06-23 | Checked source |
| AMSOIL fitment lookup | Oil type, Filter | 2026-06-23 | Visit brand site |
| Purolator fitment catalog | Filter | 2026-06-23 | Visit brand site |
2018 BMW M240i oil — questions before buying
- Can I use 5W-20 or 5W-30 instead of 0W-20 in my 2018 BMW M240i?
- The checked source rows on this page list 0W-20 for the 2018 BMW M240i. Use 0W-20 unless your owner's manual, oil cap, or service information for your exact engine allows another grade. If a retailer suggests 5W-20 or 5W-30, match the engine row first and confirm the grade before buying.
2018 BMW M240i maintenance checklist
One part checked. Look up the rest while you're here.
- Cabin air filter 2018 BMW M240i cabin filter part numbers
- Engine air filter 2018 BMW M240i engine filter part numbers
- Wiper blade size 2018 BMW M240i driver & passenger blade sizes
- Oil type & capacity 0W-20 · 6.5 qt Checked
Where to buy
These are retailer search paths for listed specs on this page. Use the retailer's vehicle selector at checkout to confirm before ordering.
This section may include affiliate or sponsored retailer links. They are search paths, not fitment evidence.
Walmart
Search Walmart for 2018 BMW M240i oil and filter, then match the listing specs against the capacity and viscosity shown above before adding to cart.
Search 2018 BMW M240i oil & filter →AutoZone
Use AutoZone's vehicle selector for the 2018 BMW M240i to confirm oil capacity, viscosity, and filter fitment before checkout.
Search 2018 BMW M240i oil & filter →Amazon
Search Amazon for the 2018 BMW M240i oil and filter and verify the listing's engine fit note matches your engine before ordering.
Search 2018 BMW M240i oil & filter →O'Reilly
Open O'Reilly's fitment search for the 2018 BMW M240i oil and filter and cross-check capacity, viscosity, and filter part number against the specs above.
Search 2018 BMW M240i oil & filter →Look up another vehicle
Find checked oil capacity, type, and filter data by exact year, make, and model.