Car Model History

Two-door rear-wheel-drive E46 convertible · 2.5-liter M56 SULEV DOHC inline-six (184 hp / 175 lb-ft)

2003 BMW 325Ci Convertible M56 SULEV

BMW's 2003 service roster separately catalogs the 325Ci Convertible with the M56 Super Ultra Low Emission Vehicle engine.

2003 BMW 3 Series (E46, fourth generation) — 318ti hatchback, front three-quarter view
Exact 2003 3 Series reference photograph; exact configuration not verified ·

Photo: “2003 BMW 318ti (E46) hatchback” by Jeremy from Sydney, Australia / Wikimedia Commons, licensed under CC BY 2.0. Cropped to 16:9.

Factory configuration

What this model is

Trim
325Ci Convertible M56 SULEV
Body style
Two-door rear-wheel-drive E46 convertible
Engine
2.5-liter M56 SULEV DOHC inline-six (184 hp / 175 lb-ft)
Transmission
5-speed automatic

The M56 SULEV has application-specific emissions, sealed fuel-system, intake, and engine-management parts; verify the VIN before ordering.

Configuration-specific ownership

Maintenance for this exact configuration

These items are filtered to the engine, transmission, trim, and model-year applicability recorded for this configuration. Broad Amazon category searches are suppressed here; shopping links appear only beside catalog-backed part numbers.

Service desk

What this car needs & when

Use this as a service-planning checklist for 2003 BMW 325Ci Convertible M56 SULEV. Start with the interval, confirm which engine or configuration you have, then use an exact ordering reference when one is verified.

Service topics
1
Factory intervals
0
Fitment-scoped
1
Exact references
1

Before orderingIdentify your engine, options and build date.Part numbers and sizes can change within one model year. Shopping links appear only for catalog-backed references; still verify the listing against your vehicle before ordering.

  • Engine oil filter — catalog fitment

    Exact reference available

    Applies to: 2003 · United States

    2.5-liter M56 SULEV DOHC inline-six (184 hp / 175 lb-ft) — K&N HP-7007

    K&N HP-7007

    Manufacturer-catalog replacement-part fitment only; it does not establish a BMW service interval. Confirm the VIN, production date, engine, and installed filter dimensions before ordering.

    Applies to: 2003 · 2.5-liter M56 SULEV DOHC inline-six (184 hp / 175 lb-ft) · 325Ci Convertible M56 SULEV · United States · Exact model-year and engine-family catalog scope; verify VIN and production date before ordering.

    Source: K&N — BMW E46 325i/330i replacement oil-filter catalog · 2003 BMW E46 M52/M54/M56/S54 gasoline — HP-7007 · checked

    Verified ordering references

Sources

  1. BMW — 2003 U.S. factory service-manual body, drivetrain, M54/M56, and S54 roster (Operation CHARM mirror)

Other 2003 configurations

Filter all 2003 configurations →