The BMW M4 (G82) Competition 3.0, equipped with the Steptronic 8-speed automatic transmission, represents the high-performance variant of the fourth-generation M4 coupe. Introduced in 2020 and continuing through January 2024, this model occupies the top echelon of the G82 lineup, offering a significant increase in power and track-focused features compared to the standard M4. It builds upon the foundation of the 3 Series (G20) platform, specifically tailored for enhanced driving dynamics and a more aggressive aesthetic. This variant was primarily aimed at enthusiasts seeking a thrilling driving experience with the convenience of an automatic transmission.
Technical Specifications
| Brand | BMW |
| Model | M4 |
| Generation | M4 (G82) |
| Type (Engine) | Competition 3.0 (510 Hp) Steptronic |
| Start of production | 2020 |
| End of production | January, 2024 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Combined fuel consumption (WLTP) | 9.9-10.2 l/100 km (23.8 – 23.1 US mpg, 28.5 – 27.7 UK mpg, 10.1 – 9.8 km/l) |
| CO2 emissions (WLTP) | 227-233 g/km |
| Fuel consumption (economy) – urban (NEDC) | 14.6 l/100 km (16.1 US mpg, 19.3 UK mpg, 6.8 km/l) |
| Fuel consumption (economy) – extra urban (NEDC) | 7.6 l/100 km (30.9 US mpg, 37.2 UK mpg, 13.2 km/l) |
| Fuel consumption (economy) – combined (NEDC) | 10.2 l/100 km (23.1 US mpg, 27.7 UK mpg, 9.8 km/l) |
| CO2 emissions (NEDC) | 234 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 3.9 sec |
| Acceleration 0 – 62 mph | 3.9 sec |
| Acceleration 0 – 60 mph | 3.7 sec |
| Maximum speed | 250 km/h (155.34 mph), Electronically limited |
| Emission standard | Euro 6d |
| Weight-to-power ratio | 3.4 kg/Hp, 295.7 Hp/tonne |
| Weight-to-torque ratio | 2.7 kg/Nm, 376.8 Nm/tonne |
| Power | 510 Hp @ 6250 rpm |
| Power per litre | 170.4 Hp/l |
| Torque | 650 Nm @ 2750-5500 rpm (479.42 lb.-ft. @ 2750-5500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | S58B30A |
| Engine displacement | 2993 cm3 (182.64 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 90 mm (3.54 in.) |
| Compression ratio | 9.3:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-power turbo, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 7 l (7.4 US qt | 6.16 UK qt) |
| Coolant | 11 l (11.62 US qt | 9.68 UK qt) |
| Kerb Weight | 1725 kg (3802.97 lbs.) |
| Max. weight | 2155 kg (4750.96 lbs.) |
| Max load | 430 kg (947.99 lbs.) |
| Trunk (boot) space – minimum | 440 l (15.54 cu. ft.) |
| Fuel tank capacity | 59 l (15.59 US gal | 12.98 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Length | 4794 mm (188.74 in.) |
| Width | 1887 mm (74.29 in.) |
| Width including mirrors | 2081 mm (81.93 in.) |
| Height | 1393 mm (54.84 in.) |
| Wheelbase | 2857 mm (112.48 in.) |
| Front track | 1617 mm (63.66 in.) |
| Rear (Back) track | 1605 mm (63.19 in.) |
| Front overhang | 860 mm (33.86 in.) |
| Rear overhang | 1077 mm (42.4 in.) |
| Ride height (ground clearance) | 120 mm (4.72 in.) |
| Drag coefficient (Cd) | 0.34 |
| Minimum turning circle (turning diameter) | 12.2 m (40.03 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears and type of gearbox | 8 gears, automatic transmission Steptronic |
| Front suspension | Coil spring, Double wishbone |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | Front wheel tires: 275/40 ZR18 103Y XL Rear wheel tires: 285/35 ZR19 103Y XL |
| Wheel rims size | Front wheel rims: 9.5J x 18 Rear wheel rims: 10.5J x 19 |
INTRODUCTION
The BMW M4 (G82) Competition 3.0 Steptronic, launched in 2020, is a high-performance coupe designed to deliver an exhilarating driving experience. It’s built on the G82 platform, sharing its underpinnings with the BMW 4 Series but benefiting from extensive M-specific enhancements. Positioned as the flagship variant within the G82 range, it offers a substantial power upgrade over the base M4, catering to drivers who prioritize performance and responsiveness. The inclusion of the Steptronic transmission provides a blend of convenience and control, appealing to a broader audience than the traditional manual option.
Powertrain & Engine Architecture
At the heart of the M4 Competition lies the S58B30A, a 3.0-liter inline-six engine. This engine is a masterpiece of engineering, featuring a closed-deck block for increased rigidity, forged crankshaft, and lightweight connecting rods. It utilizes direct fuel injection operating at 350 bar, ensuring precise fuel delivery and optimal combustion. The engine is twin-turbocharged, employing two mono-scroll turbochargers to deliver a broad and flat torque curve. The valvetrain employs BMW’s VANOS variable valve timing and Double-VANOS continuously variable camshaft control, optimizing engine performance across the rev range. The Steptronic 8-speed automatic transmission is specifically tuned for the M4 Competition, offering quicker shift times and more aggressive programming than the standard 8-speed found in other 4 Series models. It features Drivelogic, allowing the driver to select from different shift modes to tailor the transmission’s behavior to their driving style.
Driving Characteristics
The M4 Competition 3.0 Steptronic delivers a remarkably potent driving experience. The 510 horsepower and 650 Nm (479 lb-ft) of torque provide blistering acceleration, with a 0-60 mph time of around 3.7 seconds. The Steptronic transmission contributes to this performance by providing seamless and rapid gear changes, minimizing interruption to the power delivery. While some purists may prefer the engagement of a manual transmission, the Steptronic offers a level of convenience and consistency that is particularly well-suited for both daily driving and track use. The gear ratios are optimized for both acceleration and high-speed cruising, providing ample power in any situation. Compared to the standard M4, the Competition model feels significantly more responsive and eager to accelerate, offering a more visceral and engaging driving experience.
Equipment & Trim Levels
The M4 Competition 3.0 Steptronic comes standard with a comprehensive suite of features. Interior appointments include M Sport seats upholstered in Merino leather, an M Sport steering wheel, and carbon fiber trim. Standard technology includes BMW’s iDrive infotainment system with a 12.3-inch touchscreen display, a digital instrument cluster, and a premium sound system. Optional extras include a head-up display, adaptive cruise control, parking assistant, and a variety of exterior styling enhancements. The Competition trim also includes M-specific exterior styling cues, such as a more aggressive front fascia, wider fenders, and a rear diffuser.
Chassis & Braking
The M4 Competition benefits from a significantly upgraded chassis compared to the standard 4 Series. It features a reinforced body structure, M-specific suspension tuning, and an electronic limited-slip differential. The suspension utilizes adaptive dampers, allowing the driver to adjust the ride quality to suit their preferences. The braking system consists of large, ventilated discs with M-branded calipers, providing exceptional stopping power. The front brakes measure 380mm in diameter, while the rear brakes measure 370mm. The car also features ABS, dynamic stability control, and traction control systems to enhance safety and stability.
Market Reception & Comparison
The M4 Competition 3.0 Steptronic was generally well-received by automotive critics, who praised its performance, handling, and overall driving experience. Some critics noted that the styling of the G82 M4 was polarizing, particularly the large kidney grille. However, the performance capabilities of the car were universally lauded. Compared to the standard M4, the Competition model offered a significant performance advantage, justifying its higher price tag. Compared to rivals such as the Porsche 911 and Mercedes-AMG C 63 Coupe, the M4 Competition offered a compelling combination of performance, luxury, and value.
Legacy
The S58 engine, found in the M4 Competition, has proven to be a robust and reliable powerplant. While long-term reliability data is still emerging, early indications suggest that the engine is capable of withstanding significant stress and abuse. The Steptronic 8-speed transmission has also proven to be reliable, with few reported issues. On the used car market, the M4 Competition 3.0 Steptronic commands a premium price due to its performance and exclusivity. It remains a highly sought-after vehicle among enthusiasts, representing a compelling blend of performance, luxury, and technology.
