The BMW 740Ld xDrive Steptronic, part of the G12 generation of the long-wheelbase 7 Series, was produced from 2015 to 2019. Positioned as a high-performance diesel variant within the 7 Series lineup, it offered a blend of luxury, efficiency, and strong acceleration. The “L” designation signifies the extended wheelbase, providing increased rear passenger space, a key feature for markets where chauffeur-driven travel is common. This model aimed to appeal to buyers seeking a refined driving experience without sacrificing power or fuel economy, particularly in Europe and Asia where diesel engines held significant market share.
Technical Specifications
| Brand | BMW |
| Model | 7 Series |
| Generation | 7 Series Long (G12) |
| Type (Engine) | 740Ld (320 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 | 6.3-6.8 l/100 km (37.3 – 34.6 US mpg, 44.8 – 41.5 UK mpg, 15.9 – 14.7 km/l) |
| Fuel consumption (economy) – extra urban | 4.3-4.6 l/100 km (54.7 – 51.1 US mpg, 65.7 – 61.4 UK mpg, 23.3 – 21.7 km/l) |
| Fuel consumption (economy) – combined | 5.0-5.4 l/100 km (47 – 43.6 US mpg, 56.5 – 52.3 UK mpg, 20 – 18.5 km/l) |
| CO2 emissions | 132-142 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 5.3 sec |
| Acceleration 0 – 62 mph | 5.3 sec |
| Acceleration 0 – 60 mph | 5 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 5.9 kg/Hp, 168.4 Hp/tonne |
| Weight-to-torque ratio | 2.8 kg/Nm, 357.9 Nm/tonne |
| Power | 320 Hp @ 4000 rpm |
| Power per litre | 106.9 Hp/l |
| Torque | 680 Nm @ 1750-2250 rpm (501.54 lb.-ft. @ 1750-2250 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | B57D30B |
| Engine displacement | 2993 cm3 (182.64 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 90 mm (3.54 in.) |
| Compression ratio | 16.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Twin-power turbo, Intercooler |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Coolant | 11.9 l (12.57 US qt | 10.47 UK qt) |
| Kerb Weight | 1900 kg (4188.78 lbs.) |
| Max. weight | 2570 kg (5665.88 lbs.) |
| Max load | 670 kg (1477.1 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 | 5238 mm (206.22 in.) |
| Width | 1902 mm (74.88 in.) |
| Height | 1485 mm (58.46 in.) |
| Wheelbase | 3210 mm (126.38 in.) |
| Front track | 1617 mm (63.66 in.) |
| Rear (Back) track | 1646 mm (64.8 in.) |
| Front overhang | 880 mm (34.65 in.) |
| Rear overhang | 1148 mm (45.2 in.) |
| Ride height (ground clearance) | 135 mm (5.31 in.) |
| Drag coefficient (Cd) | 0.25 |
| Minimum turning circle (turning diameter) | 12.9 m (42.32 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 | 225/60 R17 99Y; 245/50 R18; 245/45 R19; 275/40 R19; 245/40 R20; 275/35 R20; 245/35 R21; 275/30 R21 |
| Wheel rims size | 7.5J x 17; 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 740Ld xDrive Steptronic represents a significant offering in the luxury sedan segment, particularly for those prioritizing diesel efficiency and performance. Built on the G12 7 Series platform, which debuted in 2015, the 740Ld combined the extended wheelbase of the “Long” variant with BMW’s advanced diesel technology. This generation of the 7 Series marked a shift towards lighter materials, including carbon fiber reinforced plastic (CFRP) in the body structure, aiming to improve both rigidity and weight reduction. The 740Ld specifically targeted markets where diesel fuel was prevalent and where customers valued a smooth, powerful, and economical driving experience.
Powertrain & Engine Architecture
At the heart of the 740Ld lies the B57D30B, a 3.0-liter inline-six diesel engine. This engine is a cornerstone of BMW’s diesel lineup, known for its robust construction and sophisticated technology. The B57 features a common-rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. It employs a twin-scroll turbocharger with variable geometry turbine (VGT) technology, enhancing responsiveness and minimizing turbo lag. The engine also incorporates intercooling to further improve efficiency. The 16.5:1 compression ratio is typical for diesel engines, contributing to their thermal efficiency. Paired with the engine is an 8-speed Steptronic automatic transmission, renowned for its smooth and quick shifts. This transmission is programmed for both comfort and performance, adapting to driving style and conditions. The xDrive all-wheel-drive system distributes power between the front and rear axles, providing enhanced traction and stability, especially in adverse weather conditions.
Driving Characteristics
The 740Ld delivers a remarkably refined driving experience. The 680 Nm (501.54 lb-ft) of torque, available from a low 1750 rpm, provides effortless acceleration and strong pulling power. While not as overtly sporty as some of its gasoline-powered siblings, the 740Ld offers a confident and composed ride. The 8-speed automatic transmission is well-matched to the engine’s characteristics, providing seamless gear changes and contributing to the car’s overall smoothness. The xDrive system ensures secure handling in all conditions. Compared to the 740i (gasoline) variant, the 740Ld prioritizes fuel economy and low-end torque, making it ideal for long-distance cruising. Against the higher-performance 750i, the 740Ld offers a more balanced approach, sacrificing some outright speed for improved efficiency and a more relaxed driving experience.
Equipment & Trim Levels
The 740Ld xDrive Steptronic came generously equipped, reflecting its position as a flagship luxury sedan. Standard features typically included leather upholstery, power-adjustable heated front seats with memory function, a premium sound system, a large infotainment screen with iDrive controller, navigation, and a comprehensive suite of safety features. Optional extras included features like massaging seats, rear-seat entertainment, a panoramic sunroof, and advanced driver-assistance systems such as adaptive cruise control and lane-keeping assist. The interior design emphasized luxury and comfort, with high-quality materials and meticulous attention to detail. Trim levels varied slightly depending on the market, but generally offered a range of customization options for interior colors, wood veneers, and exterior finishes.
Chassis & Braking
The G12 7 Series utilized a sophisticated chassis design incorporating lightweight materials like aluminum and CFRP. The front suspension features a double-wishbone setup, while the rear employs an independent multi-link suspension. This configuration provides a comfortable ride while maintaining precise handling. The 740Ld typically came equipped with ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) and electronic stability control (ESC) were standard features, enhancing safety. The suspension was often paired with optional air suspension, which allowed for adjustable ride height and damping, further enhancing comfort and handling.
Market Reception & Comparison
The 740Ld was generally well-received by automotive critics, who praised its refined driving experience, fuel efficiency, and luxurious interior. It was often seen as a compelling alternative to gasoline-powered rivals, particularly for buyers who prioritized economy and low-speed torque. Compared to the 730d, the 740Ld offered a significant power upgrade, resulting in noticeably quicker acceleration. However, the 740Ld’s fuel economy was slightly lower than the 730d due to its increased output. Against the 750i, the 740Ld offered a more sensible balance of performance and efficiency, appealing to a different type of buyer.
Legacy
The B57 engine family, including the B57D30B found in the 740Ld, has proven to be remarkably reliable. With proper maintenance, these engines can accumulate high mileage without major issues. The G12 7 Series, as a whole, has established a reputation for build quality and technological innovation. On the used car market, the 740Ld represents a good value proposition, offering a luxurious and capable sedan at a more accessible price point than newer models. However, potential buyers should be aware of the cost of maintaining a complex vehicle like the 7 Series, including potential repairs to the air suspension and electronic systems.
