The BMW 840i xDrive, part of the G15 LCI (Life Cycle Impulse) facelift introduced in March 2022, represents a refined iteration of BMW’s flagship coupe. Positioned as a mid-range offering within the 8 Series lineup, it slots between the base 840i and the high-performance M8. This variant focuses on blending grand touring comfort with capable performance, appealing to buyers seeking a luxurious and engaging driving experience without the outright track focus of the M model. The LCI brought subtle styling updates, enhanced technology, and continued refinement of the already potent powertrain.
Technical Specifications
| Brand | BMW |
| Model | 8 Series |
| Generation | 8 Series Coupe (G15 LCI, facelift 2022) |
| Type (Engine) | 840i (333 Hp) xDrive Steptronic |
| Start of production | March, 2022 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Combined fuel consumption (WLTP) | 8.6-8.9 l/100 km (27.4 – 26.4 US mpg, 32.8 – 31.7 UK mpg, 11.6 – 11.2 km/l) |
| CO2 emissions (WLTP) | 195-204 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.9 sec |
| Acceleration 0 – 62 mph | 4.9 sec |
| Acceleration 0 – 60 mph | 4.7 sec |
| Maximum speed | 250 km/h (155.34 mph), Electronically limited |
| Emission standard | Euro 6d |
| Weight-to-power ratio | 5.4 kg/Hp, 185.5 Hp/tonne |
| Weight-to-torque ratio | 3.6 kg/Nm, 278.6 Nm/tonne |
| Power | 333 Hp @ 5500-6250 rpm |
| Power per litre | 111.1 Hp/l |
| Torque | 500 Nm @ 1700-4000 rpm (368.78 lb.-ft. @ 1700-4000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | B58B30C |
| Engine displacement | 2998 cm3 (182.95 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 82 mm (3.23 in.) |
| Piston Stroke | 94.6 mm (3.72 in.) |
| Compression ratio | 11:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-power turbo, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Kerb Weight | 1795 kg (3957.3 lbs.) |
| Max. weight | 2280 kg (5026.54 lbs.) |
| Max load | 485 kg (1069.24 lbs.) |
| Trunk (boot) space – minimum | 420 l (14.83 cu. ft.) |
| Fuel tank capacity | 68 l (17.96 US gal | 14.96 UK gal) |
| Length | 4851 mm (190.98 in.) |
| Width | 1902 mm (74.88 in.) |
| Width including mirrors | 2137 mm (84.13 in.) |
| Height | 1346 mm (52.99 in.) |
| Wheelbase | 2822 mm (111.1 in.) |
| Front track | 1627 mm (64.06 in.) |
| Rear (Back) track | 1642 mm (64.65 in.) |
| Front overhang | 953 mm (37.52 in.) |
| Rear overhang | 1076 mm (42.36 in.) |
| Ride height (ground clearance) | 121 mm (4.76 in.) |
| Drag coefficient (Cd) | 0.30 |
| Minimum turning circle (turning diameter) | 11.9 m (39.04 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives permanently the four wheels of the vehicle. |
| 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 | Front wheel tires: 245/40 R19; 245/35 R20 Rear wheel tires: 275/35 R19; 275/30 R20 |
| Wheel rims size | Front wheel rims: 8J x 19; 8J x 20 Rear wheel rims: 9J x 19; 9J x 20 |
Powertrain & Engine Architecture
At the heart of the 840i xDrive lies BMW’s B58B30C 3.0-liter inline-six engine. This engine is a cornerstone of BMW’s modern powertrain strategy, known for its smooth power delivery and efficiency. The ‘B58’ designation indicates its position within BMW’s modular engine family. It utilizes direct fuel injection, operating at a compression ratio of 11:1, and is equipped with a twin-scroll turbocharger and intercooler to maximize power output and minimize turbo lag. The engine produces 333 horsepower at 5500-6250 rpm and 500 Nm (368.78 lb-ft) of torque between 1700 and 4000 rpm. This broad torque curve contributes to strong acceleration in real-world driving conditions. The engine is paired with BMW’s 8-speed Steptronic automatic transmission, a sophisticated unit known for its quick and smooth shifts. The ‘xDrive’ designation signifies BMW’s intelligent all-wheel-drive system, which provides enhanced traction and stability, particularly in adverse weather conditions. The system is typically rear-biased, delivering a sporty driving feel while maintaining all-weather capability.
Driving Characteristics
The 840i xDrive offers a compelling blend of performance and comfort. The 3.0-liter inline-six delivers ample power for effortless cruising and spirited driving. The 8-speed automatic transmission is well-tuned, providing seamless gear changes and contributing to a refined driving experience. While not as aggressively tuned as the M8, the 840i xDrive still offers impressive acceleration, achieving 0-60 mph in approximately 4.7 seconds. The xDrive all-wheel-drive system provides excellent grip, inspiring confidence in various driving conditions. Compared to a manual transmission equipped 840i (not commonly offered), the automatic prioritizes ease of use and smooth operation. Compared to the higher-output M8, the 840i xDrive offers a more relaxed and comfortable driving experience, sacrificing some outright performance for increased refinement.
Equipment & Trim Levels
The 840i xDrive comes standard with a comprehensive suite of luxury features. Interior appointments typically include premium leather upholstery, power-adjustable seats with memory function, a panoramic sunroof, and a high-end sound system. Standard technology features include BMW’s iDrive infotainment system with a large touchscreen display, navigation, Apple CarPlay and Android Auto compatibility, and a suite of advanced driver-assistance systems such as lane departure warning, forward collision warning, and automatic emergency braking. Optional extras include upgraded leather options, a Bowers & Wilkins Diamond Surround Sound System, active roll stabilization, and various cosmetic enhancements. The LCI facelift brought updated interior trim options and enhanced iDrive functionality.
Chassis & Braking
The 8 Series Coupe utilizes a sophisticated chassis design featuring a double-wishbone front suspension and an independent multi-link rear suspension. This setup provides a comfortable ride while maintaining precise handling characteristics. The 840i xDrive is equipped with ventilated disc brakes on all four wheels, providing ample stopping power. The braking system is further enhanced by ABS (Anti-lock Braking System) and electronic brake-force distribution. The car’s weight distribution is carefully balanced to optimize handling and stability. The standard suspension setup is tuned for a balance between comfort and performance, while optional adaptive suspension systems are available to further tailor the ride to the driver’s preferences.
Market Reception & Comparison
The 840i xDrive was generally well-received by automotive critics, praised for its luxurious interior, refined driving experience, and potent powertrain. Critics noted the engine’s smooth power delivery and the transmission’s seamless operation. Fuel economy, while not exceptional, was considered reasonable for a vehicle of this size and performance. Compared to the 840i variants with rear-wheel drive, the xDrive model offered superior traction and all-weather capability. Compared to the M8, the 840i xDrive was seen as a more practical and comfortable grand tourer, appealing to buyers who prioritize luxury and refinement over outright performance.
Legacy
The B58 engine has proven to be a remarkably reliable and durable powerplant, earning a strong reputation among BMW enthusiasts. The 8-speed Steptronic transmission is also known for its longevity and smooth operation. The 840i xDrive, as a result, is expected to hold its value reasonably well in the used car market. Regular maintenance, including oil changes and adherence to BMW’s recommended service intervals, is crucial for ensuring the long-term reliability of this powertrain. As a representative of BMW’s modern grand touring philosophy, the 840i xDrive continues to be a desirable option for buyers seeking a luxurious, capable, and refined coupe.
