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2005 BMW 325i oil capacity, type & filter

The 2005 BMW 325i takes 6.9 qt of 5W-30 oil.

Applies to checked engine: 2.5L 6-Cyl.

Capacity 6.9 qt i Based on 1 checked source: AMSOIL Lookup. 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 5W-30 OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout. Verified fit
Oil Filters Options cross-checked
AMSOIL Shown first EA15K08 Search EA15K08 AMSOIL EA15K01 Search EA15K01 AMSOIL EA15K02 Search EA15K02 AMSOIL EA15K03 Search EA15K03 R85223MP Search R85223MP

AMSOIL EA15K08 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

3 sources checked Last checked: 2026-06-26 How we verify →

Where to Buy View Data Sources
Buy oil & filters:
Walmart → AutoZone → Amazon → O'Reilly →
Full synthetic options for 5W-30
Mobil 1 Extended Performance 5W-30 → Castrol Edge 5W-30 → Pennzoil Platinum 5W-30 →

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

2005 BMW 325i oil specs: capacity conditions and filter notes

Filter part numbers

All listed filter part numbers are compatible alternatives for your vehicle. Choose any one brand, then confirm the exact part number at checkout.

Verify before checkout

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

Source coverage for the 2005 BMW 325i

Capacity sources

Supported by AMSOIL Lookup.

Oil type sources

Supported by Pennzoil OATS and AMSOIL Lookup.

Filter sources

Supported by RockAuto and AMSOIL Lookup.

Source coverage

3 checked source rows for the 2005 BMW 325i.

Before ordering for this 2005 BMW 325i

Checkout verification checklist
2.5L 6-Cyl Buy →
Capacity
6.9 qt
Oil type
5W-30
Filter
AMSOIL EA15K08

Source check: Last checked 2026-06-26 from AMSOIL Lookup, Pennzoil OATS, and RockAuto.

BMW 325i oil specs by year

This table includes checked BMW 325i model years available in our database.

No other published BMW 325i years are available yet.

How we verified 2005 BMW 325i oil data

How we verify fitment

Checked fitment data. Last checked: 2026-06-26.

This page checked 3 sources for the 2005 BMW 325i. 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: 2.5L 6-Cyl capacity. 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
3
Last checked
2026-06-26
Field-level source support
  • Capacity: AMSOIL Lookup
  • Oil type: Pennzoil OATS and AMSOIL Lookup
  • Filter: RockAuto and AMSOIL Lookup
Source Supports Checked Link
AMSOIL Lookup Capacity, Oil type, Filter 2026-06-26 Visit brand site
Pennzoil OATS Oil type 2026-06-26 Visit brand site
RockAuto Filter 2026-06-26 Checked source

2005 BMW 325i 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 2005 BMW 325i 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 2005 BMW 325i?

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.

2005 BMW 325i 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.

Other 2005 BMW 325i lookups: Cabin air filter · Engine air filter