Powertrain families
S58B30T0
M4 (G82/G83) — Coupe
2020–present
Editorially reviewedReviewed 2026-08-10; market and model-year scope is stated in the record sources.
- Internal code
- G82
- Production
- 2020–present
- Body style
- 2-door coupe
- Platform
- BMW M · longitudinal layout · rear- or all-wheel drive
Body variants
M4 → G82/G83 → Coupe
M4 G82/G83: history, design and engineering
How this generation came about, what made it different and how the selected coupe fits into the family.
G82/G83 is the second M4 generation, using the S58 and the same core performance architecture as G80. The coupé launched with manual rear-drive and Competition automatic branches; Competition M xDrive followed, while the soft-top G83 Convertible is tied to the automatic all-wheel-drive configuration.
Lifecycle variants include CSL, CS and updates to the regular Competition car. The CSL's rear-seat deletion, body and chassis changes, higher output and limited production make it a distinct modification; CS also needs an independent row rather than being treated as a trim package.
Body style, driven wheels, transmission and production phase determine the valid specification. Racing M4 GT3/GT4 data and Nürburgring claims may support context, but must not populate road-car dimensions, output or homologation fields.
2020–presentgeneration lifecycle
2body branches
1engine/drive families
5range designations
G82/G83factory code
BMW M · longitudinal layout · rear- or all-wheel drivearchitecture
Coupe: dimensions and packaging
Dimensions can change with body, market and model year, so this page keeps them tied to the exact factory branch.
Length4,794 mm
Width1,887 mm
Height1,393 mm
Wheelbase2,857 mm
Luggage440 L
Fuel tank59 L
Seats4
Doors2-door coupe
Engines and powertrains
The generation could span very different engines and drivetrains. The table keeps output, gearbox, market and production period together.
Factory modification matrix
Documented coupe applications; output and availability remain market- and model-year-specific.
| Model | Years | Engine | Output | Transmission | Drive | Market | Source |
|---|---|---|---|---|---|---|---|
| M4 Coupé | 2020–present | S58B30T0 twin-turbo inline-six | 480 PS / 473 hp US | 6MT | RWD | Global range | The new BMW M3 Sedan and BMW M4 Coupé |
| M4 Competition | 2020–present | S58B30T0 twin-turbo inline-six | 510 PS / 503 hp US | 8AT | RWD | Global range | The new BMW M3 Sedan and BMW M4 Coupé |
| M4 Competition xDrive | 2021–present | S58B30T0 twin-turbo inline-six | 510–530 PS / 503–523 hp US | 8AT | AWD | Global range | The new BMW M3 Sedan and BMW M4 Coupé |
| M4 CSL | 2022–2023 | S58B30T0 twin-turbo inline-six | 550 PS / 543 hp US | 8AT | RWD | Global range | The new BMW M3 Sedan and BMW M4 Coupé |
| M4 CS | 2024–present | S58B30T0 twin-turbo inline-six | 550 PS / 543 hp US | 8AT | AWD | Global range | The new BMW M3 Sedan and BMW M4 Coupé |
Factory designations
M4 · M4 Competition · M4 Competition xDrive · M4 CS · M4 CSL
High-performance powertrain
Engine, cooling, exhaust, software and transmission form a distinct M or ALPINA specification rather than an option package on the base model.
Diesel derivatives
Where diesels were offered, output, injection generation and emissions hardware are recorded market by market.
Electrification
Mild- and plug-in hybrids are separate derivatives; combustion-engine output must not be substituted for total system output.
How power reaches the road
Gearboxes, driven wheels and final-drive hardware changed with engine, market and production date.
Transmissions
Gearbox type and unit code follow engine, market and production date. Gear count alone does not identify the transmission.
Driven wheels
Catalog architecture: BMW M · longitudinal layout · rear- or all-wheel drive. All-wheel-drive availability and hardware remain derivative-specific.
Final drive
Ratio, differential type and electronic control belong to the exact derivative and can differ on performance models.
What changed underneath
Suspension, brakes, safety systems and electronics evolved across the range, even when cars shared the same basic architecture.
Body-branch dimensions
- G82: 4,794 mm × 1,887 mm × 1,393 mm
- G83: 4,794 mm × 1,887 mm × 1,395 mm
Body & suspension
- Mounting points and geometry follow the body branch
- Springs and dampers follow axle load and chassis package
- Wheels and permitted loads follow the factory label
Brakes & steering
- Brake size follows engine and equipment
- Assistance type and steering ratio can change
- ABS/DSC generation follows model year
Passive safety
- Airbag count varies by market and year
- SRS parts are VIN-specific
- Structural repairs require factory procedures
Electronics
- Vehicle-bus generations changed during production
- Control-unit software levels must remain compatible
- Retrofits are recorded separately from factory equipment
How the generation evolved
The important launches, additions and updates did not always happen at the same time for every body or market.
Second M4 revealed
G82 debuted with rear-drive manual and Competition automatic configurations.
M xDrive and Convertible
All-wheel-drive Competition and the G83 soft-top broadened the family.
M4 CSL
The limited two-seat CSL introduced a higher-output, lighter, track-focused road specification.
Model update and CS
Regular cars received revisions and the CS established another distinct limited branch.
The versions that stood apart
Performance models, option packages and regional editions may look related, but their engineering and production identity can be very different.
Coupe
G82M4 G82 is a distinct G82/G83 body branch. A lower-roof two-door body with longer doors and a more overtly sporting brief than the corresponding sedan. Engines/drive: S58B30T0.
Cabriolet
G83M4 G83 is a distinct G82/G83 body branch. An open body with a folding roof and generation-specific structural reinforcement, seating and luggage packaging. Engines/drive: S58B30T0.
Inside the car
Cabin technology and standard equipment changed by country and year; a build sheet remains the best guide to one individual car.
Cabin & comfort
- Trim and seats follow option codes
- Climate systems vary by market
- Audio and navigation changed by model year
Lighting & assistance
- Lamp technology and modules follow production date
- Driver assistance cannot be inferred from buttons alone
- Regional rules affect lighting and warnings
What to check today
A practical starting point for inspecting and maintaining a car from this generation — not a diagnosis of an individual example.
Identify first
- Match VIN on body and documents
- Obtain the factory option list
- Confirm market and production date
Inspect the structure
- Check repairs and corrosion
- Assess suspension, brakes and tyres
- Compare fitted parts with factory specification
Mechanical history
- Read faults with compatible diagnostics
- Verify engine and transmission maintenance
- Separate invoices from unsupported verbal history
| Item | Interval / trigger | Catalog note |
|---|---|---|
| Engine oil & filter | CBS/factory schedule; time and mileage for historic cars | Oil approval follows the exact engine and market. |
| Brake fluid | Time-based factory schedule | ABS/DSC-compatible bleeding procedure is required after hydraulic work. |
| Coolant | Factory schedule and condition | Fluid specification and bleeding method are generation-specific. |
| Transmission & final drives | Unit type and operating conditions | Use the exact approved fluid; no one interval fits every derivative. |
How to identify the exact car
The badge and registration year tell only part of the story; production date, body code, engine and factory options complete it.
- Factory body codes
- G82 — Coupe; G83 — Cabriolet
- Range designations
- M4, M4 Competition, M4 Competition xDrive, M4 CS, M4 CSL
- Powertrain families
- S58B30T0
- VIN
- Identifies model, plant and production branch and keys the parts catalog and factory equipment record.
- Production date
- More useful than first-registration year when choosing parts and locating technical revisions.
- Type code
- Refines engine, body, market and transmission combination.
- Option codes
- Confirm factory equipment; later retrofits are recorded separately.
- Unit number
- Supports engine or gearbox originality checks and component applicability.
Where the information comes from
The story is mapped through English Wikipedia and its bibliography, then important dates and technical claims are checked against BMW material.
- 01BMW M4Wikipedia contributors
Secondary G82/G83 drivetrain, body, update and special-model overview.
- 02The new BMW M3 Sedan and BMW M4 CoupéBMW Group PressClub
Factory launch specification for G80/G82, including engines, transmissions, rear- and all-wheel drive branches.
Notes and limitations
- Research revision dated 2026-08-10: English Wikipedia was used as a subject and bibliography map; key claims were checked against the listed primary BMW Group material.
- G82 and G83 do not share roof, mass, luggage or full derivative availability.
- CSL, CS and regular Competition figures must remain independent and date-scoped.
- Tree years describe the worldwide generation lifecycle; individual market dates may be narrower.
- Exact dimensions, power, weight and emissions belong at body, engine, market and model-year level.
- Known-issue guidance is editorial context and never replaces inspection of the individual vehicle.
2 primary references · market differences documentedPhotography: Charles from Port Chester, New York, CC BY 2.0 · Wikimedia Commons. Rights checked 2026-08-06; wikimedia commons 1,800 px derivative downloaded; local 640 px and 1,280 px avif versions created without cropping.Updated 6 August 2026