Car Model History

Four-door sedan · 2.0L B46 turbocharged inline-four (255 hp / 295 lb-ft)

2021 BMW 330i xDrive Sedan

BMW's U.S. 2021 model information lists the 330i xDrive as a distinct G20 3 Series sedan configuration.

2021 BMW M340i xDrive G20 sedan, front three-quarter view
Exact 2021 3 Series reference photograph; exact configuration not verified ·

Photo: “2021 BMW 3-Series M340i xDrive.jpg” by Chanokchon / Wikimedia Commons, licensed under CC BY-SA 4.0. Cropped to 16:9.

Factory configuration

What this model is

Trim
330i xDrive
Body style
Four-door sedan
Engine
2.0L B46 turbocharged inline-four (255 hp / 295 lb-ft)
Transmission
8-speed Steptronic automatic

xDrive all-wheel drive. Options and appearance packages are not separate factory configurations.

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 2021 BMW 330i xDrive Sedan. Start with the interval, confirm which engine or configuration you have, then use an exact ordering reference when one is verified.

Service topics
4
Factory intervals
0
Fitment-scoped
4
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.

  • Brake fluid

    Fitment must be confirmed

    BMW publishes this as a Condition Based Service task: follow the vehicle's displayed date/mileage forecast rather than a fixed generic interval.

    Applies to: 2021 · United States

    Source: BMW USA service-and-warranty library — select 2021 Maintenance booklet · Maintenance System — brake fluid · checked

  • Cabin microfilter

    Fitment must be confirmed

    BMW combines this task with the engine-oil service occurrence identified by the vehicle.

    Applies to: 2021 · United States

    Source: BMW USA service-and-warranty library — select 2021 Maintenance booklet · Maintenance Intervals — "combine with Engine oil" tasks · checked

  • Engine air filter

    Exact reference available

    BMW combines this task with the engine-oil service occurrence identified by the vehicle.

    Applies to: 2021 · United States

    Source: BMW USA service-and-warranty library — select 2021 Maintenance booklet · Maintenance Intervals — "combine with Engine oil" tasks · checked

    2.0L B46 turbocharged inline-four (255 hp / 295 lb-ft) — K&N 33-3136

    K&N 33-3136

    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: 2021 · 2.0L B46 turbocharged inline-four (255 hp / 295 lb-ft) · 330i · United States · Exact model-year and engine-family catalog scope; verify VIN and production date before ordering.

    Source: K&N — current BMW 330i/M340i replacement air-filter catalog · 2021 BMW 330i/330e/M340i 2.0L/3.0L gasoline or plug-in hybrid — 33-3136 · checked

    Verified ordering references

    2.0L B46 turbocharged inline-four (255 hp / 295 lb-ft) — K&N 33-3136

    K&N 33-3136

    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: 2021 · 2.0L B46 turbocharged inline-four (255 hp / 295 lb-ft) · 330i xDrive · United States · Exact model-year and engine-family catalog scope; verify VIN and production date before ordering.

    Source: K&N — current BMW 330i/M340i replacement air-filter catalog · 2021 BMW 330i/330e/M340i 2.0L/3.0L gasoline or plug-in hybrid — 33-3136 · checked

    Verified ordering references

  • Spark plugs

    Fitment must be confirmed

    BMW combines this task with the engine-oil service occurrence identified by the vehicle.

    Applies to: 2021 · United States

    Source: BMW USA service-and-warranty library — select 2021 Maintenance booklet · Maintenance Intervals — "combine with Engine oil" tasks · checked

Sources

  1. BMW of North America — model year 2021 update information

Other 2021 configurations

Filter all 2021 configurations →