The BMW X7 M50i, produced from 2019 to 2022 as part of the G07 generation, represents the performance-oriented variant of BMW’s flagship full-size luxury SUV. Positioned as a high-end trim, the M50i aimed to deliver a compelling blend of spaciousness, luxury, and potent performance, appealing to buyers seeking a dynamic driving experience within the large SUV segment. It served as a bridge between the standard X7 models and the even more exclusive, high-performance X7 Alpina variant. The M50i’s introduction solidified BMW’s commitment to offering a diverse range of X7 configurations to cater to a broad spectrum of customer preferences.
Technical Specifications
| Brand | BMW |
| Model | X7 |
| Generation | X7 (G07) |
| Type (Engine) | M50i V8 (530 Hp) xDrive Steptronic |
| Start of production | 2019 |
| End of production | 2022 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (combined) | 10.9-11.1 l/100 km |
| Fuel consumption (US mpg) | 21.6 – 21.2 |
| Fuel consumption (UK mpg) | 25.9 – 25.4 |
| Fuel consumption (km/l) | 9.2 – 9 |
| CO2 emissions | 248-252 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.7 sec |
| Acceleration 0 – 62 mph | 4.7 sec |
| Acceleration 0 – 60 mph | 4.5 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6d-Temp |
| Power | 530 Hp @ 5500-6000 rpm |
| Torque | 750 Nm @ 1800-4600 rpm (553.17 lb.-ft. @ 1800-4600 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | N63B44D |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-power turbo, Intercooler |
| Engine oil capacity | 10.5 l (11.1 US qt | 9.24 UK qt) |
| Length | 5151 mm (202.8 in) |
| Width | 2000 mm (78.74 in) |
| Width including mirrors | 2218 mm (87.32 in) |
| Height | 1805 mm (71.06 in) |
| Wheelbase | 3105 mm (122.24 in) |
| Front track | 1682 mm (66.22 in) |
| Rear track | 1703 mm (67.05 in) |
| 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 |
| Power steering | Electric Steering |
| Tires size | 285/45 R21 113Y XL |
| Wheel rims size | 9.5J x 21 |
Powertrain & Engine Architecture
At the heart of the X7 M50i lies the N63B44D 4.4-liter twin-turbocharged V8 engine. This engine, a staple in BMW’s performance lineup, utilizes direct fuel injection and variable valve timing (Valvetronic) to optimize power delivery and efficiency. The twin-scroll turbochargers are positioned within the V of the engine, contributing to a more compact design and reduced turbo lag. The engine produces 530 horsepower at 5,500-6,000 rpm and a substantial 750 Nm (553 lb-ft) of torque between 1,800 and 4,600 rpm. This broad torque curve provides effortless acceleration in various driving situations.
The engine is paired with BMW’s 8-speed Steptronic automatic transmission. This transmission features a torque converter and offers smooth, quick shifts. The Steptronic transmission also includes features like launch control and adaptive shift programs, tailoring the gear changes to the driver’s style and the driving conditions. The xDrive all-wheel-drive system intelligently distributes power between the front and rear axles, enhancing traction and stability, particularly in adverse weather conditions.
Driving Characteristics
The X7 M50i delivers a driving experience that belies its size. The potent V8 engine provides brisk acceleration, with 0-60 mph times consistently around 4.5 seconds. The abundance of torque makes overtaking effortless, and the transmission responds promptly to driver inputs. While not as overtly sporty as some of BMW’s smaller SUVs, the X7 M50i offers a confident and composed ride. The air suspension, standard on the M50i, contributes to a comfortable ride quality, absorbing bumps and imperfections in the road. The steering is precise and well-weighted, providing a connected feel to the driver. Compared to the X7 xDrive40i (with its inline-six engine), the M50i offers a significantly more powerful and engaging driving experience. It also feels more planted and stable at higher speeds.
Equipment & Trim Levels
The M50i trim came generously equipped as standard. Key features included leather upholstery, heated and ventilated front seats, a panoramic sunroof, a premium sound system, and a comprehensive suite of driver-assistance systems. The interior featured unique M-specific styling cues, such as sport seats, an M steering wheel, and aluminum interior trim. Optional extras included individual Merino leather upholstery, rear-seat entertainment systems, and a variety of customization options through BMW’s Individual program. The standard dashboard configuration featured BMW’s Live Cockpit Professional, a fully digital instrument cluster and a large central infotainment display.
Chassis & Braking
The X7 M50i utilizes a double-wishbone front suspension and an independent multi-link rear suspension. The air suspension, as mentioned previously, provides adjustable ride height and damping characteristics. The braking system consists of ventilated discs at all four corners, providing ample stopping power. The M50i also features BMW’s Dynamic Performance Control system, which uses selective braking to enhance agility and stability during cornering. The standard tire size is 285/45 R21, providing a good balance of grip and ride comfort.
Market Reception & Comparison
The X7 M50i was generally well-received by automotive critics. Reviewers praised its powerful engine, luxurious interior, and comfortable ride. However, some criticized its size and weight, noting that it lacked the agility of smaller performance SUVs. Compared to the X7 xDrive40i, the M50i offered a significant performance upgrade, but at a higher price point. Fuel economy was also lower with the V8 engine, averaging around 21-22 mpg in combined driving. Against competitors like the Mercedes-Benz GLS 580 and the Land Rover Range Rover, the X7 M50i offered a compelling combination of performance, luxury, and technology.
Legacy
The N63 engine family, including the N63B44D found in the X7 M50i, has proven to be relatively reliable, although early versions of the engine (prior to 2016) were known for oil consumption issues. The 2019-2022 M50i engines have benefited from revisions and improvements, addressing many of the earlier concerns. On the used car market, the X7 M50i holds its value well, reflecting its desirable combination of performance and luxury. Regular maintenance, including oil changes and inspections of the cooling system, is crucial for ensuring the long-term reliability of this powertrain. The X7 M50i represents a significant step forward in BMW’s SUV offerings, demonstrating the brand’s ability to deliver a truly luxurious and high-performance experience in a large, family-oriented vehicle.
