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2021 BMW X4 M oil capacity, type & filter

The 2021 BMW X4 M takes 7.6 qt of 0W-20 oil.

Applies to checked engine: 3.0L 6-Cyl Turbo. Also check 2021 BMW X4 .

Capacity 7.6 qt i Based on 1 checked source: Pennzoil OATS. Additional cross-check is still pending: a second checked capacity source and capacity condition (service fill / with filter vs dry fill). Use it as a reference, then confirm the service-fill / with-filter amount before adding oil. See how we verify. Learn how we verify fitment
Oil type 0W-20 i Based on 1 checked source: Pennzoil OATS. Additional cross-check is still pending: a second checked oil-type source. Use it as a reference, then confirm the viscosity grade for this engine before checkout. See how we verify. Learn how we verify fitment OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout.
Oil Filters
Purolator Shown first PL31791 Search PL31791

Confirm Purolator PL31791 in the retailer selector before checkout.

i Based on 1 checked source: Purolator Part Finder. Additional cross-check is still pending: another filter catalog cross-check and alternate part-number support. Use it as a reference, then confirm the exact filter part number at checkout. See how we verify. Learn how we verify fitment

2 sources checked Last checked: 2026-06-27 How we verify →

Where to Buy View Data Sources
Buy oil & filters:
Walmart → AutoZone → Amazon → O'Reilly →
Full synthetic options for 0W-20
Mobil 1 Extended Performance 0W-20 → Castrol Edge 0W-20 → Pennzoil Platinum 0W-20 →

Search paths only — confirm your OEM viscosity spec and quantity before checkout.

2021 BMW X4 M oil specs: capacity conditions and filter notes

Verify before checkout

Retailer fitment tools may use different data. Confirm oil capacity, viscosity, and filter part number before ordering.

Source coverage for the 2021 BMW X4 M

Capacity sources

Supported by Pennzoil OATS.

Oil type sources

Supported by Pennzoil OATS.

Filter sources

Supported by Purolator Part Finder.

Source coverage

2 checked source rows for the 2021 BMW X4 M.

Before ordering for this 2021 BMW X4 M

Checkout verification checklist
3.0L 6-Cyl Turbo Buy →
Capacity
7.6 qt
Oil type
0W-20
Filter
Purolator PL31791

Source check: Last checked 2026-06-27 from Pennzoil OATS and Purolator Part Finder.

Same oil specs on other 2021 BMW models

X4 M40i

BMW X4 M oil specs by year

This table includes checked BMW X4 M model years available in our database.

Year Capacity Oil type Filter
2025 6.9 qt 0W-20 Purolator PL41404
2021 Current page 7.6 qt 0W-20 Purolator PL31791
2020 7.6 qt 0W-20 Purolator PL31791

How we verified 2021 BMW X4 M oil data

How we verify fitment

Checked fitment data. Last checked: 2026-06-27.

This page checked 2 sources for the 2021 BMW X4 M. 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 i Some oil fields are based on checked source data but still need stronger cross-check evidence. Review area: 3.0L 6-Cyl Turbo capacity, 3.0L 6-Cyl Turbo oil type, and 3.0L 6-Cyl Turbo oil filter. Use the listed values as references and confirm the exact engine before ordering or adding oil. See how we verify. Learn how we verify fitment
Sources checked
2
Last checked
2026-06-27
Field-level source support
  • Capacity: Pennzoil OATS
  • Oil type: Pennzoil OATS
  • Filter: Purolator Part Finder
Source Supports Checked Link
Pennzoil OATS Capacity, Oil type 2026-06-27 Visit brand site
Purolator Part Finder Filter 2026-06-27 Visit brand site

2021 BMW X4 M 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 X4 M 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 X4 M?

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 X4 M maintenance checklist

One part checked. Look up the rest while you're here.

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.

Look up another vehicle

Find checked oil capacity, type, and filter data by exact year, make, and model.

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