Four-door sedan · 3.0L S58 twin-turbocharged inline-six (503 hp / 479 lb-ft)
2021 BMW M3 Competition Sedan
The 2021 M3 Competition raised output to 503 hp and paired it exclusively with the eight-speed automatic and rear-wheel drive.
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
- M3 Competition
- Body style
- Four-door sedan
- Engine
- 3.0L S58 twin-turbocharged inline-six (503 hp / 479 lb-ft)
- Transmission
- 8-speed M Steptronic automatic
Rear-wheel drive. BMW announced M xDrive for the following 2022 M3 Competition model rather than the 2021 roster.
Compare related 2021 configurations
Compare up to twelve documented pairings, prioritizing the same engine, body, trim and gearbox as this car. This related selection is not a complete factory lineup.
Browse all documented 2021 configurations →
Compare 8 related configurations — current car marked
| Configuration | Engine | Transmission | Body |
|---|---|---|---|
| BMW 330i Sedan | 2.0L B46 turbocharged inline-four (255 hp / 295 lb-ft) | 8-speed Steptronic automatic | Four-door sedan |
| BMW 330i xDrive Sedan | 2.0L B46 turbocharged inline-four (255 hp / 295 lb-ft) | 8-speed Steptronic automatic | Four-door sedan |
| BMW M340i Sedan | 3.0L B58 turbocharged inline-six with 48-volt mild-hybrid system (382 hp / 369 lb-ft) | 8-speed Steptronic automatic | Four-door sedan |
| BMW M340i xDrive Sedan | 3.0L B58 turbocharged inline-six with 48-volt mild-hybrid system (382 hp / 369 lb-ft) | 8-speed Steptronic automatic | Four-door sedan |
| BMW 330e Sedan | 2.0L turbocharged inline-four plus electric motor (288 hp / 310 lb-ft combined) | 8-speed Steptronic automatic | Four-door sedan |
| BMW 330e xDrive Sedan | 2.0L turbocharged inline-four plus electric motor (288 hp / 310 lb-ft combined) | 8-speed Steptronic automatic | Four-door sedan |
| BMW M3 Sedan Manual | 3.0L S58 twin-turbocharged inline-six (473 hp / 406 lb-ft) | 6-speed manual | Four-door sedan |
| Current carBMW M3 Competition Sedan | 3.0L S58 twin-turbocharged inline-six (503 hp / 479 lb-ft) | 8-speed M Steptronic automatic | Four-door sedan |
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 M3 Competition 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
- Scheduled topics
- 0
- Applicability stated
- 4
- Exact references
- 1
Before ordering Identify 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 fluidView intervals, applicability and sources
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.
Source: BMW USA service-and-warranty library — select 2021 Maintenance booklet · Maintenance System — brake fluid · checked
Cabin microfilterView intervals, applicability and sources
Cabin microfilter
Fitment must be confirmed
BMW combines this task with the engine-oil service occurrence identified by the vehicle.
Source: BMW USA service-and-warranty library — select 2021 Maintenance booklet · Maintenance Intervals — "combine with Engine oil" tasks · checked
Engine air filterView intervals, applicability and sources
Engine air filter
Exact reference available
BMW combines this task with the engine-oil service occurrence identified by the vehicle.
Source: BMW USA service-and-warranty library — select 2021 Maintenance booklet · Maintenance Intervals — "combine with Engine oil" tasks · checked
3.0L S58 twin-turbocharged inline-six (473 hp / 406 lb-ft) — K&N 33-3171
K&N 33-3171
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.
Source: K&N — BMW M3 replacement air-filter catalog · 2021 BMW M3 3.0L S58 gasoline — 33-3171; package quantity two · checked
Verified ordering references
- Validated equivalentK&N 33-3171
Qty. 2 · Panel engine air-filter pair · catalog-listed
Verify the current manufacturer application listing, VIN, production date, and installed dimensions before purchase.
Catalog: K&N — BMW M3 replacement air-filter catalog · 2021 BMW M3 3.0L S58 gasoline — 33-3171; package quantity two · checked
Search this part on Amazon
3.0L S58 twin-turbocharged inline-six (503 hp / 479 lb-ft) — K&N 33-3171
K&N 33-3171
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.
Source: K&N — BMW M3 replacement air-filter catalog · 2021 BMW M3 3.0L S58 gasoline — 33-3171; package quantity two · checked
Verified ordering references
- Validated equivalentK&N 33-3171
Qty. 2 · Panel engine air-filter pair · catalog-listed
Verify the current manufacturer application listing, VIN, production date, and installed dimensions before purchase.
Catalog: K&N — BMW M3 replacement air-filter catalog · 2021 BMW M3 3.0L S58 gasoline — 33-3171; package quantity two · checked
Search this part on Amazon
Spark plugsView intervals, applicability and sources
Spark plugs
Fitment must be confirmed
BMW combines this task with the engine-oil service occurrence identified by the vehicle.
Source: BMW USA service-and-warranty library — select 2021 Maintenance booklet · Maintenance Intervals — "combine with Engine oil" tasks · checked
Search results may cover different scales, trims and model years. Check each listing; this search does not establish an exact replica of the documented vehicle.
Sources
Other 2021 configurations