2019-2022 BMW 7 Series Long (G12 LCI facelift ) M760Li V12 (600 Hp) xDrive Steptronic

The BMW M760Li xDrive, part of the G12 Long wheelbase facelift (LCI) generation of the 7 Series, represented the pinnacle of performance and luxury within the lineup from its introduction in April 2019 until its discontinuation in June 2022. Positioned as the flagship model, it featured a potent 6.6-liter V12 engine paired with an eight-speed Steptronic automatic transmission and BMW’s xDrive all-wheel-drive system. This variant aimed to deliver an unparalleled driving experience, blending immense power with sophisticated comfort and advanced technology. The “Li” designation signifies the long-wheelbase version, prioritizing rear passenger space, a key consideration in markets like China where chauffeur-driven luxury sedans are highly sought after.

Technical Specifications

Brand BMW
Model 7 Series
Generation 7 Series Long (G12 LCI, facelift 2019)
Type (Engine) M760Li V12 (600 Hp) xDrive Steptronic
Start of production April, 2019
End of production June, 2022
Powertrain Architecture Internal Combustion engine
Body type Sedan
Seats 4-5
Doors 4
Fuel consumption (economy) – urban (EPA) 18.1 l/100 km (13 US mpg, 15.6 UK mpg, 5.5 km/l)
Fuel consumption (economy) – extra urban (EPA) 11.8 l/100 km (19.9 US mpg, 23.9 UK mpg, 8.5 km/l)
Fuel consumption (economy) – combined (EPA) 14.7 l/100 km (16 US mpg, 19.2 UK mpg, 6.8 km/l)
Fuel Type Petrol (Gasoline)
Acceleration 0 – 60 mph 3.6 sec
Maximum speed 250 km/h (155.34 mph), Electronically limited
Emission standard ULEV125
Weight-to-power ratio 3.9 kg/Hp, 256.4 Hp/tonne
Weight-to-torque ratio 2.8 kg/Nm, 363.2 Nm/tonne
Power 600 Hp @ 5500-6500 rpm
Power per litre 91 Hp/l
Torque 850 Nm @ 1550-5200 rpm (626.93 lb.-ft. @ 1550-5200 rpm)
Engine layout Front, Longitudinal
Engine Model/Code N74B66TU2
Engine displacement 6592 cm3 (402.27 cu. in.)
Number of cylinders 12
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 Twin-power turbo, Intercooler
Valvetrain VALVETRONIC, Double-VANOS
Engine oil capacity 12 l (12.68 US qt | 10.56 UK qt)
Kerb Weight 2340 kg (5158.82 lbs.)
Max. weight 2840 kg (6261.13 lbs.)
Max load 500 kg (1102.31 lbs.)
Trunk (boot) space – minimum 515 l (18.19 cu. ft.)
Fuel tank capacity 78 l (20.61 US gal | 17.16 UK gal)
Max. roof load 100 kg (220.46 lbs.)
Length 5267 mm (207.36 in.)
Width 1902 mm (74.88 in.)
Width including mirrors 2169 mm (85.39 in.)
Height 1479 mm (58.23 in.)
Wheelbase 3210 mm (126.38 in.)
Front track 1621 mm (63.82 in.)
Rear (Back) track 1618 mm (63.7 in.)
Front overhang 909 mm (35.79 in.)
Rear overhang 1148 mm (45.2 in.)
Ride height (ground clearance) 135 mm (5.31 in.)
Drag coefficient (Cd) 0.31
Minimum turning circle (turning diameter) 12.9 m (42.32 ft.)
Drivetrain Architecture The Internal combustion engine (ICE) drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary.
Drive wheel All wheel drive (4×4)
Number of gears and type of gearbox 8 gears, automatic transmission Steptronic
Front suspension Double wishbone, Air suspension
Rear suspension Independent multi-link suspension, Air 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: 245/40 R20Rear wheel tires: 275/35 R20
Wheel rims size Front wheel rims: 8.5J x 20Rear wheel rims: 10J x 20

Powertrain & Engine Architecture

The heart of the M760Li is BMW’s N74B66TU2 6.6-liter twin-turbocharged V12 engine. This engine builds upon the earlier N74 design, incorporating improvements to fuel injection, turbocharger technology, and thermal management. Direct injection is employed, delivering fuel directly into the combustion chambers for improved efficiency and power. The engine utilizes BMW’s VALVETRONIC system, which allows for precise control of valve lift and timing, optimizing engine performance across the rev range. The twin-turbochargers, positioned within the V of the engine, provide significant boost, contributing to the engine’s substantial 850 Nm (626.93 lb.-ft.) of torque available from a remarkably low 1550 rpm. The eight-speed Steptronic automatic transmission is specifically tuned to handle the immense power output of the V12, offering smooth and responsive shifts. The transmission features a wider gear spread than some other 7 Series variants, prioritizing both acceleration and highway cruising efficiency.

Driving Characteristics

The M760Li delivers a driving experience characterized by effortless power and remarkable refinement. The combination of the V12 engine and all-wheel drive results in a 0-60 mph acceleration time of just 3.6 seconds. Despite its size and weight, the car feels surprisingly agile, thanks to the sophisticated suspension system and precise steering. The air suspension provides a comfortable ride, absorbing bumps and imperfections in the road. Compared to the 750i (V8) or 740i (inline-six) models, the M760Li offers a significantly more potent and responsive driving experience. While the lower-powered models prioritize fuel efficiency, the M760Li focuses on delivering maximum performance. The xDrive system provides excellent traction in all weather conditions, enhancing stability and control.

Equipment & Trim Levels

The M760Li came standard with a comprehensive array of luxury features. Interior appointments included premium Nappa leather upholstery, multi-contour seats with massage function, and exquisite wood trim. Standard technology included BMW’s iDrive infotainment system with a large touchscreen display, a premium Bowers & Wilkins Diamond surround sound system, and a suite of advanced driver-assistance systems, such as adaptive cruise control, lane-keeping assist, and automatic parking. Optional extras included rear-seat entertainment systems, individual rear seats with a center console, and a variety of customization options for interior and exterior finishes.

Chassis & Braking

The M760Li features a robust chassis designed to handle the engine’s power and provide a comfortable ride. The suspension system utilizes double wishbones at the front and an independent multi-link setup at the rear, both incorporating air suspension with electronic damping control. Large, ventilated disc brakes are fitted to all four wheels, providing ample stopping power. The braking system is further enhanced by ABS, dynamic stability control, and other electronic aids. The long wheelbase contributes to a more stable and comfortable ride, particularly for rear passengers.

Market Reception & Comparison

The M760Li was generally well-received by automotive critics, who praised its exceptional performance, luxurious interior, and advanced technology. However, its high price tag and relatively poor fuel economy were often cited as drawbacks. Compared to rivals such as the Mercedes-Benz S65 AMG and the Bentley Flying Spur, the M760Li offered a compelling combination of performance, luxury, and technology. While the Mercedes-Benz offered similar levels of performance, the BMW was often praised for its more engaging driving dynamics. The Bentley, while offering even greater levels of luxury, came at a significantly higher price point.

Legacy

The N74B66 engine, while incredibly powerful, is known to require diligent maintenance, particularly regarding cooling system components and turbocharger health. The eight-speed Steptronic transmission has proven to be generally reliable, but regular fluid changes are essential. On the used car market, the M760Li represents a significant value proposition for buyers seeking a high-performance luxury sedan. However, prospective buyers should be prepared for potentially higher maintenance costs compared to lower-powered 7 Series variants. The G12 M760Li stands as a testament to BMW’s engineering prowess, offering a unique blend of power, luxury, and technology that continues to appeal to discerning drivers today.

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