The BMW M6 Coupe (F13M) with the 4.4-liter V8 engine and M DCT dual-clutch transmission represents the high-performance pinnacle of the F13 6 Series coupe range. Produced from July 2012 to 2014, it served as BMW’s flagship grand tourer, blending luxurious appointments with exhilarating performance. This variant occupied the top tier of the 6 Series lineup, offering a significant step up in power and handling compared to the 640i and 650i models. It was positioned as a direct competitor to vehicles like the Porsche 911 Turbo and the Mercedes-Benz SL63 AMG.
Technical Specifications
| Brand | BMW |
| Model | M6 |
| Generation | M6 Coupe (F13M) |
| Type (Engine) | 4.4 V8 (560 Hp) M DCT |
| Start of production | July, 2012 |
| End of production | 2014 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (economy) – urban (NEDC) | 14 l/100 km (16.8 US mpg, 20.2 UK mpg, 7.1 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) | 9.9 l/100 km (23.8 US mpg, 28.5 UK mpg, 10.1 km/l) |
| CO2 emissions (NEDC) | 232 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.2 sec |
| Acceleration 0 – 62 mph | 4.2 sec |
| Acceleration 0 – 60 mph | 4 sec |
| Maximum speed | 250 km/h (155.34 mph), Electronically limited |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 3.3 kg/Hp, 302.7 Hp/tonne |
| Weight-to-torque ratio | 2.7 kg/Nm, 367.6 Nm/tonne |
| Power | 560 Hp @ 6000-7000 rpm |
| Power per litre | 127.4 Hp/l |
| Torque | 680 Nm @ 1500-5750 rpm (501.54 lb.-ft. @ 1500-5750 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | S63B44B |
| Engine displacement | 4395 cm3 (268.2 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 89 mm (3.5 in.) |
| Piston Stroke | 88.3 mm (3.48 in.) |
| Compression ratio | 10:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | 2 x Twin-scroll turbo, Intercooler |
| Valvetrain | Double-VANOS, VALVETRONIC |
| Engine oil capacity | 8.4 l (8.88 US qt | 7.39 UK qt) |
| Coolant | 18.5 l (19.55 US qt | 16.28 UK qt) |
| Kerb Weight | 1850 kg (4078.55 lbs.) |
| Max. weight | 2350 kg (5180.86 lbs.) |
| Max load | 500 kg (1102.31 lbs.) |
| Trunk (boot) space – minimum | 460 l (16.24 cu. ft.) |
| Fuel tank capacity | 80 l (21.13 US gal | 17.6 UK gal) |
| Length | 4898 mm (192.83 in.) |
| Width | 1919 mm (75.55 in.) |
| Width including mirrors | 2106 mm (82.91 in.) |
| Height | 1374 mm (54.09 in.) |
| Wheelbase | 2851 mm (112.24 in.) |
| Front track | 1631 mm (64.21 in.) |
| Rear (Back) track | 1612 mm (63.46 in.) |
| Front overhang | 945 mm (37.2 in.) |
| Rear overhang | 1102 mm (43.39 in.) |
| Ride height (ground clearance) | 107 mm (4.21 in.) |
| Drag coefficient (Cd) | 0.33 |
| Minimum turning circle (turning diameter) | 12.1 m (39.7 ft.) |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 7 gears, automatic transmission M DCT |
Powertrain & Engine Architecture
At the heart of the M6 Coupe lies the S63B44B, a 4.4-liter twin-turbocharged V8 engine. This engine is a highly sophisticated design featuring direct fuel injection, double-VANOS variable valve timing, and VALVETRONIC variable valve lift. The twin-scroll turbochargers are positioned within the V of the engine, minimizing turbo lag and maximizing responsiveness. The engine produces 560 horsepower at 6,000-7,000 rpm and a substantial 680 Nm (501.54 lb-ft) of torque available from just 1,500 rpm, providing immense pulling power throughout the rev range. The M DCT (Multi-Clutch Transmission) is a seven-speed dual-clutch automated manual transmission. It offers incredibly fast and smooth gear changes, contributing significantly to the car’s performance. Drivers could choose between automatic and manual shifting modes, with paddle shifters mounted on the steering wheel for precise control.
Driving Characteristics
The M6 Coupe’s driving experience is defined by its blend of power, precision, and comfort. The 4.4-liter V8 delivers breathtaking acceleration, launching the car from 0 to 60 mph in around 4 seconds. The M DCT transmission ensures that power is delivered seamlessly, with minimal interruption. Compared to the standard 650i, the M6 offers a much more focused and engaging driving experience. The suspension is tuned for performance, providing excellent body control and minimizing roll in corners. The steering is precise and communicative, offering a direct connection to the road. While the M6 is undeniably a performance car, it also offers a comfortable ride for everyday driving, making it a true grand tourer.
Equipment & Trim Levels
The M6 Coupe came generously equipped as standard. Interior features included leather upholstery, power-adjustable heated sports seats, a premium sound system, and a navigation system. Standard exterior features included an aerodynamic body kit, M-specific alloy wheels, and upgraded brakes. Optional extras included carbon fiber trim, a head-up display, and active roll stabilization. The interior was focused on the driver, with a cockpit-style layout and supportive seats. The dashboard featured a high-resolution display screen for infotainment and vehicle information.
Chassis & Braking
The M6 Coupe’s chassis was specifically engineered to handle the engine’s immense power. It featured a reinforced suspension system with stiffer springs and dampers, as well as a thicker stabilizer bar. The brakes were also upgraded, with large ventilated discs and multi-piston calipers providing exceptional stopping power. The rear suspension utilized an independent multi-link design, optimizing handling and ride comfort. The car’s electronic stability control system was tuned to allow for a degree of controlled oversteer, enhancing the driving experience for skilled drivers.
Market Reception & Comparison
The BMW M6 Coupe (F13M) was widely praised by automotive critics for its performance, handling, and luxurious interior. It was consistently ranked among the best grand tourers on the market. Compared to the 650i, the M6 offered a significantly more engaging driving experience, but at the cost of some fuel economy. The M6’s performance was comparable to that of the Porsche 911 Turbo, but it offered more space and comfort. Reliability was generally good, although some owners reported issues with the cooling system and the electronic components.
Legacy
The F13M M6 remains a highly desirable car in the used car market. Its combination of performance, luxury, and exclusivity has ensured its enduring appeal. The S63B44B engine is known for its robustness and potential for modification, making it a favorite among enthusiasts. While maintenance costs can be higher than those of more mainstream vehicles, the M6 Coupe offers a unique and rewarding driving experience that continues to captivate drivers today. The M DCT transmission, while complex, has proven to be generally reliable with proper maintenance. The F13 M6 represents a high point in BMW’s grand touring heritage, offering a compelling blend of performance and refinement.
