The BMW 750i xDrive, produced between 2015 and 2019 as part of the G11 generation of the 7 Series, represented a significant step forward in luxury performance sedans. Positioned as a high-end variant within the 7 Series lineup, it offered a compelling blend of power, technology, and refinement. This model served as a flagship offering, bridging the gap between the standard 7 Series models and the ultra-luxury M760i. The 750i xDrive was primarily marketed towards buyers seeking a powerful, technologically advanced, and comfortable grand touring experience, particularly in markets like North America, Europe, and Asia.
Technical Specifications
| Brand | BMW |
| Model | 7 Series |
| Generation | 7 Series (G11) |
| Type (Engine) | 750i (450 Hp) xDrive Steptronic |
| Start of production | 2015 |
| End of production | 2019 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (economy) – urban | 11.4-11.6 l/100 km (20.6 – 20.3 US mpg, 24.8 – 24.4 UK mpg, 8.8 – 8.6 km/l) |
| Fuel consumption (economy) – extra urban | 6.2-6.4 l/100 km (37.9 – 36.8 US mpg, 45.6 – 44.1 UK mpg, 16.1 – 15.6 km/l) |
| Fuel consumption (economy) – combined | 8.1-8.3 l/100 km (29 – 28.3 US mpg, 34.9 – 34 UK mpg, 12.3 – 12 km/l) |
| CO2 emissions | 189-194 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.4 sec |
| Acceleration 0 – 62 mph | 4.4 sec |
| Acceleration 0 – 60 mph | 4.2 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 4.2 kg/Hp, 240.6 Hp/tonne |
| Weight-to-torque ratio | 2.9 kg/Nm, 347.6 Nm/tonne |
| Power | 450 Hp @ 5500-6000 rpm |
| Power per litre | 102.4 Hp/l |
| Torque | 650 Nm @ 1800-4500 rpm (479.42 lb.-ft. @ 1800-4500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | N63B44C |
| 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 | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-power turbo, Intercooler |
| Engine oil capacity | 10 l (10.57 US qt | 8.8 UK qt) |
| Coolant | 9.2 l (9.72 US qt | 8.09 UK qt) |
| Kerb Weight | 1870 kg (4122.64 lbs.) |
| Max. weight | 2575 kg (5676.9 lbs.) |
| Max load | 705 kg (1554.26 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.) |
| Permitted trailer load with brakes (12%) | 2300 kg (5070.63 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 100 kg (220.46 lbs.) |
| Length | 5098 mm (200.71 in.) |
| Width | 1902 mm (74.88 in.) |
| Height | 1478 mm (58.19 in.) |
| Wheelbase | 3070 mm (120.87 in.) |
| Front track | 1611 mm (63.43 in.) |
| Rear (Back) track | 1640 mm (64.57 in.) |
| Ride height (ground clearance) | 135 mm (5.31 in.) |
| Drag coefficient (Cd) | 0.27 |
| Minimum turning circle (turning diameter) | 12.5 m (41.01 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 8 gears, automatic transmission Steptronic |
| Front suspension | 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 |
| Tires size | 245/50 R18 100Y; 245/45 R19; 275/40 R19; 245/40 R20; 275/35 R20; 245/35 R21; 275/30 R21 |
| Wheel rims size | 8J x 18; 8.5J x 19; 9.5J x 19; 8.5J x 20; 10J x 20; 8.5J x 21; 10J x 21 |
INTRODUCTION
The BMW 750i xDrive (G11) debuted in 2015 as a core model within the sixth generation of the 7 Series. Built on the G11 platform, it represented a significant overhaul of BMW’s flagship sedan, incorporating extensive use of carbon fiber reinforced plastic (CFRP) in its structure to reduce weight and improve rigidity. The “xDrive” designation indicates BMW’s intelligent all-wheel-drive system, providing enhanced traction and stability. The 750i specifically distinguished itself with its potent 4.4-liter twin-turbocharged V8 engine, offering a substantial performance upgrade over the entry-level 740i models. Production of this variant continued through 2019, before being superseded by updated models within the 7 Series range.
Powertrain & Engine Architecture
At the heart of the 750i xDrive lies the N63B44C engine, a 4.4-liter twin-turbocharged V8. This engine is a direct descendant of BMW’s long-standing V8 tradition, but significantly modernized with direct injection, Valvetronic variable valve timing, and double-VANOS variable camshaft timing. The twin-turbochargers, positioned within the V of the engine, minimize turbo lag and provide a broad, flat torque curve. The N63B44C produces 450 horsepower at 5,500-6,000 rpm and a substantial 650 Nm (479 lb-ft) of torque between 1,800 and 4,500 rpm. This power is channeled through an eight-speed Steptronic automatic transmission, known for its smooth and quick shifts. The Steptronic transmission offers both automatic and manual shift modes, allowing drivers to tailor the driving experience to their preferences. The xDrive all-wheel-drive system intelligently distributes power between the front and rear axles, optimizing traction in various driving conditions.
Driving Characteristics
The 750i xDrive delivers a driving experience that is both powerful and refined. The combination of the potent V8 engine and the eight-speed automatic transmission results in brisk acceleration – 0 to 60 mph in approximately 4.2 seconds. While not as overtly sporty as some of BMW’s other models, the 750i offers ample power for confident overtaking and effortless cruising. The xDrive system provides exceptional stability, particularly in inclement weather. Compared to the 740i, the 750i offers a noticeably more responsive and engaging driving experience, thanks to the increased power and torque. The gear ratios in the Steptronic transmission are optimized for both acceleration and fuel efficiency, providing a comfortable balance between performance and economy. The suspension, typically featuring BMW’s Dynamic Damper Control, offers a compliant ride while maintaining good body control.
Equipment & Trim Levels
The 750i xDrive came standard with a comprehensive array of luxury features. Standard equipment typically included leather upholstery, power-adjustable heated and ventilated front seats with massage function, a premium sound system (often Bowers & Wilkins), a large infotainment screen with iDrive controller, navigation, and a suite of driver-assistance systems such as adaptive cruise control, lane departure warning, and automatic emergency braking. Optional extras included rear-seat entertainment, a panoramic sunroof, and various interior trim options. The interior design emphasized luxury and comfort, with high-quality materials and meticulous attention to detail. The dashboard layout was clean and modern, with a focus on intuitive controls.
Chassis & Braking
The G11 7 Series utilized a mixed construction chassis, incorporating steel, aluminum, and, crucially, carbon fiber reinforced plastic (CFRP) in the structural elements. This CFRP construction, a first for a mass-produced vehicle, significantly reduced weight and increased rigidity. The 750i xDrive featured a double-wishbone front suspension and an independent multi-link rear suspension, providing a comfortable and controlled ride. The braking system consisted of ventilated discs on all four wheels, providing ample stopping power. The ABS (Anti-lock Braking System) and stability control systems worked in conjunction to enhance safety and control. Steering was via a rack-and-pinion system with electric power assistance.
Market Reception & Comparison
The 750i xDrive was generally well-received by automotive critics, who praised its powerful engine, luxurious interior, and advanced technology. It was often compared favorably to its rivals, such as the Mercedes-Benz S550 and the Audi A8. While the 750i offered superior performance compared to the base 740i, it came at a higher price point. Fuel economy, while respectable for a V8-powered luxury sedan, was not its strongest suit. Reliability reports were generally positive, although some owners reported minor issues with the infotainment system and electronic components. Compared to the range-topping M760i, the 750i offered a more balanced blend of performance and comfort, appealing to a wider range of buyers.
Legacy
The BMW 750i xDrive (G11) remains a desirable used car, offering a compelling combination of luxury, performance, and technology. The N63B44C engine, while complex, has proven to be relatively reliable with proper maintenance. Regular oil changes and adherence to BMW’s recommended service intervals are crucial for long-term durability. The innovative CFRP construction of the G11 chassis has also contributed to its longevity. As a flagship sedan, the 750i xDrive represents a high point in BMW’s engineering and design capabilities, and continues to be appreciated by enthusiasts and luxury car buyers alike.
