2012-2015 BMW 7 Series Long (F02 LCI facelift ) 750Li (450 Hp) Steptronic

The BMW 750Li, part of the F02 Long wheelbase (LCI) facelift generation of the 7 Series produced from 2012 to 2015, represented the pinnacle of luxury and performance within the BMW flagship sedan range. Positioned as a high-end variant, the 750Li featured a potent 4.4-liter twin-turbocharged V8 engine paired with an eight-speed Steptronic automatic transmission, and an extended wheelbase offering increased rear passenger space. This model was primarily aimed at buyers seeking a blend of exhilarating performance, opulent comfort, and advanced technology, particularly in markets where larger luxury sedans were favored. The “Li” designation signifies the long-wheelbase version, a popular configuration in markets like China, where rear passenger comfort is highly valued.

Technical Specifications

Brand BMW
Model 7 Series
Generation 7 Series Long (F02 LCI, facelift 2012)
Type (Engine) 750Li (450 Hp) Steptronic
Start of production 2012
End of production 2015
Powertrain Architecture Internal Combustion engine
Body type Sedan
Seats 5
Doors 4
Fuel consumption (economy) – urban 11.9 l/100 km (19.8 US mpg, 23.7 UK mpg, 8.4 km/l)
Fuel consumption (economy) – extra urban 6.6 l/100 km (35.6 US mpg, 42.8 UK mpg, 15.2 km/l)
Fuel consumption (economy) – combined 8.6 l/100 km (27.4 US mpg, 32.8 UK mpg, 11.6 km/l)
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 4.8 sec
Acceleration 0 – 62 mph 4.8 sec
Acceleration 0 – 60 mph 4.6 sec
Maximum speed 250 km/h (155.34 mph)
Weight-to-power ratio 4.5 kg/Hp, 221.1 Hp/tonne
Weight-to-torque ratio 3.1 kg/Nm, 319.4 Nm/tonne
Power 450 Hp @ 5500 rpm
Power per litre 102.4 Hp/l
Torque 650 Nm @ 2000-4500 rpm (479.42 lb.-ft. @ 2000-4500 rpm)
Engine layout Front, Longitudinal
Engine Model/Code N63B44B
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 Turbocharger, Intercooler
Engine oil capacity 8.5 l (8.98 US qt | 7.48 UK qt)
Coolant 13.5 l (14.27 US qt | 11.88 UK qt)
Kerb Weight 2035 kg (4486.41 lbs.)
Max. weight 2630 kg (5798.16 lbs.)
Max load 595 kg (1311.75 lbs.)
Fuel tank capacity 80 l (21.13 US gal | 17.6 UK gal)
Length 5219 mm (205.47 in.)
Width 1902 mm (74.88 in.)
Height 1471 mm (57.91 in.)
Wheelbase 3210 mm (126.38 in.)
Front track 1611 mm (63.43 in.)
Rear (Back) track 1650 mm (64.96 in.)
Drivetrain Architecture The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheel Rear wheel drive
Number of gears and type of gearbox 8 gears, automatic transmission Steptronic
Front brakes Ventilated discs
Rear brakes Ventilated discs
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion
Tires size 245/50 R18 100Y
Wheel rims size 8J x 18

Powertrain & Engine Architecture

The heart of the 750Li is the N63B44B engine, a 4.4-liter twin-turbocharged V8. This engine utilizes direct fuel injection, delivering fuel directly into the combustion chambers for improved efficiency and power. The twin-turbocharger setup employs two turbochargers, one for each bank of cylinders, minimizing turbo lag and providing a broad torque curve. The engine also features variable valve timing (VANOS) and variable valve lift (Valvetronic) technologies, optimizing engine performance across the rev range. The eight-speed Steptronic automatic transmission is a crucial component, offering smooth and rapid gear changes. This transmission features adaptive shift programs that adjust to the driver’s style and road conditions. The transmission’s wide gear ratio spread contributes to both fuel efficiency and strong acceleration.

Driving Characteristics

The 750Li delivers a driving experience characterized by effortless power and refined comfort. The 450 horsepower and 650 Nm (479 lb-ft) of torque provide brisk acceleration, with 0-60 mph times consistently around 4.6 seconds. The eight-speed transmission ensures that the engine is always in the optimal power band. Compared to the 740i (with its inline-six engine) the 750Li offers significantly more power and torque, resulting in a more authoritative and responsive driving experience. While not as overtly sporty as some competitors, the 750Li provides a confident and composed ride, thanks to its sophisticated suspension system and long wheelbase. The Steptronic transmission, while generally smooth, can sometimes feel slightly hesitant in certain driving situations compared to the more engaging manual transmissions available in other 7 Series models.

Equipment & Trim Levels

The 750Li came standard with a comprehensive array of luxury features, including leather upholstery, power-adjustable heated and ventilated front seats, a premium sound system, a navigation system, and a rear-seat entertainment system. Standard exterior features included adaptive xenon headlights, a power sunroof, and 18-inch alloy wheels. Optional extras included features like massaging seats, a Bang & Olufsen sound system, night vision, and a head-up display. The extended wheelbase provided significantly more rear legroom than the standard 7 Series, making it particularly appealing to chauffeur-driven buyers. Interior trim options included a variety of wood veneers and metallic accents, allowing customers to personalize the cabin to their preferences.

Chassis & Braking

The 750Li features a double-wishbone front suspension and an integral-arm rear suspension, providing a comfortable and controlled ride. Adaptive dampers were standard, allowing the driver to adjust the suspension stiffness to suit their preferences. The braking system consists of ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock brakes (ABS), electronic stability control (ESC), and traction control were all standard safety features. The long wheelbase and increased weight of the 750Li compared to other 7 Series models necessitated a slightly more robust suspension setup to maintain handling balance.

Market Reception & Comparison

The 750Li was generally well-received by automotive critics, who praised its powerful engine, luxurious interior, and advanced technology. However, some reviewers noted that the ride could be slightly firm, and the infotainment system was complex to use. Compared to the 740i, the 750Li offered a significant performance upgrade but came at a higher price. Against competitors like the Mercedes-Benz S-Class and the Audi A8, the 750Li held its own in terms of luxury and performance, but some critics favored the more refined ride quality of the S-Class. Fuel economy, while respectable for a V8-powered luxury sedan, was not a strong point, averaging around 27.4 mpg combined.

Legacy

The F02 750Li remains a desirable used luxury car, offering a compelling combination of performance, comfort, and technology. The N63B44B engine, while capable, is known to require diligent maintenance, particularly regarding cooling system components and turbocharger health. Regular oil changes and preventative maintenance are crucial to ensure long-term reliability. Despite potential maintenance costs, the 750Li continues to appeal to buyers seeking a high-performance luxury sedan with a spacious interior and a prestigious badge. Its advanced features and powerful engine ensure it remains a competitive option in the used car market.

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