# Engine oil — replacement without filter (2005; Mazdaspeed 2004–2005)

Canonical URL: https://miatatorque.com/spec/engine-oil-replacement-capacity-2005/

Applicability: NB 2005 (BP-Z3); NB 2004–2005 (BP-Z3-TURBO, 6MT) — 2004 applicability is inferred from the 2005 owner’s manual; 2004 is not source-year verified.

Confidence: fsm

3.6 L / 3.8 US qt / 3.2 Imp qt

Always confirm against your factory manual. Match every restriction and follow all stages and procedure notes. Disputed claims must not be automatically resolved. The complete record below preserves every printed unit, source claim and procedure.

```json
{
  "id": "engine-oil-replacement-capacity-2005",
  "name": "Engine oil — replacement without filter (2005; Mazdaspeed 2004–2005)",
  "aliases": [
    "Engine oil — replacement without filter"
  ],
  "applies_to": [
    {
      "gen": "NB",
      "years": [
        2005,
        2005
      ],
      "engines": [
        "BP-Z3"
      ]
    },
    {
      "gen": "NB",
      "years": [
        2004,
        2005
      ],
      "engines": [
        "BP-Z3-TURBO"
      ],
      "trans": [
        "6MT"
      ],
      "note": "2004 applicability is inferred from the 2005 owner’s manual; 2004 is not source-year verified."
    }
  ],
  "kind": "capacity",
  "capacity": {
    "l": [
      3.6,
      3.6
    ],
    "qt_us": [
      3.8,
      3.8
    ],
    "qt_imp": [
      3.2,
      3.2
    ]
  },
  "procedure": {
    "notes": "Oil replacement quantity as printed. Verify the oil level with the dipstick after following the manual’s oil-change procedure."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "owners-2005",
      "page": "10-5",
      "as_printed": "Without oil filter\nL  US qt  Imp qt\n3.6  3.8  3.2",
      "capacity": {
        "l": [
          3.6,
          3.6
        ],
        "qt_us": [
          3.8,
          3.8
        ],
        "qt_imp": [
          3.2,
          3.2
        ]
      },
      "document": {
        "id": "owners-2005",
        "tier": 1,
        "title": "2005 Mazda MX-5 Miata Owner’s Manual",
        "covers": [
          {
            "gen": "NB",
            "years": [
              2005,
              2005
            ],
            "engines": [
              "BP-Z3"
            ]
          },
          {
            "gen": "NB",
            "years": [
              2005,
              2005
            ],
            "engines": [
              "BP-Z3-TURBO"
            ],
            "trans": [
              "6MT"
            ]
          }
        ],
        "url": "https://www.mazdausa.com/siteassets/pdf/owners-optimized/2005/mx5-miata/2005-mx-5-miata-owners-manual.pdf"
      }
    }
  ],
  "jobs": [
    "oil-change"
  ],
  "system": "lubrication",
  "component": "lubrication-fluids",
  "componentName": "Fluids & capacities",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/engine-oil-replacement-capacity-2005/"
}
```