The BMW 5 Series G30 520d Steptronic, produced from 2017 to October 2019, represents a key entry point into the seventh generation of BMW’s flagship executive sedan. Positioned as a diesel-powered variant, it aimed to balance fuel efficiency with respectable performance and luxury. This model occupied the lower-mid range of the G30 lineup, serving as an alternative to the higher-output 530i and 540i gasoline models, as well as other diesel options like the 530d. The 520d Steptronic was primarily marketed towards European and Asian markets where diesel engines held significant popularity due to favorable taxation and fuel economy regulations.
Technical Specifications
| Brand | BMW |
| Model | 5 Series |
| Generation | 5 Series Sedan (G30) |
| Type (Engine) | 520d (190 Hp) Steptronic |
| Start of production | 2017 |
| End of production | October, 2019 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 4.7-5.0 l/100 km (50 – 47 US mpg, 60.1 – 56.5 UK mpg, 21.3 – 20 km/l) |
| Fuel consumption (extra urban) | 3.8-4.1 l/100 km (61.9 – 57.4 US mpg, 74.3 – 68.9 UK mpg, 26.3 – 24.4 km/l) |
| Fuel consumption (combined) | 4.1-4.5 l/100 km (57.4 – 52.3 US mpg, 68.9 – 62.8 UK mpg, 24.4 – 22.2 km/l) |
| CO2 emissions | 108-118 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 7.5 sec |
| Acceleration 0 – 62 mph | 7.5 sec |
| Acceleration 0 – 60 mph | 7.1 sec |
| Maximum speed | 235 km/h (146.02 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 8.2 kg/Hp, 121.8 Hp/tonne |
| Weight-to-torque ratio | 3.9 kg/Nm, 256.4 Nm/tonne |
| Power | 190 Hp @ 4000 rpm |
| Power per litre | 95.2 Hp/l |
| Torque | 400 Nm @ 1750-2500 rpm (295.02 lb.-ft. @ 1750-2500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | B47D20B |
| Engine displacement | 1995 cm3 (121.74 cu. in.) |
| Number of cylinders | 4 |
| 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 | 5 l (5.28 US qt | 4.4 UK qt) |
| Coolant | 8.8 l (9.3 US qt | 7.74 UK qt) |
| Kerb Weight | 1560 kg (3439.21 lbs.) |
| Max. weight | 2245 kg (4949.38 lbs.) |
| Max load | 685 kg (1510.17 lbs.) |
| Trunk (boot) space – minimum | 530 l (18.72 cu. ft.) |
| Fuel tank capacity | 66 l (17.44 US gal | 14.52 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 2000 kg (4409.25 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 90 kg (198.42 lbs.) |
| Length | 4936 mm (194.33 in.) |
| Width | 1868 mm (73.54 in.) |
| Width including mirrors | 2126 mm (83.7 in.) |
| Height | 1466 mm (57.72 in.) |
| Wheelbase | 2975 mm (117.13 in.) |
| Front track | 1605 mm (63.19 in.) |
| Rear (Back) track | 1630 mm (64.17 in.) |
| Front overhang | 862 mm (33.94 in.) |
| Rear overhang | 1099 mm (43.27 in.) |
| Ride height (ground clearance) | 144 mm (5.67 in.) |
| Drag coefficient (Cd) | 0.24 |
| Minimum turning circle (turning diameter) | 12.05 m (39.53 ft.) |
| 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 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 | 225/55 R17 97Y |
| Wheel rims size | 7.5J x 17 |
Powertrain & Engine Architecture
The 520d Steptronic is powered by BMW’s B47D20B 2.0-liter inline-four diesel engine. This engine is a member of BMW’s modular engine family, known for its efficiency and refinement. The B47 utilizes a second-generation common rail direct injection system operating at pressures up to 2,000 bar, ensuring precise fuel delivery and optimized combustion. A single twin-scroll turbocharger with variable geometry turbine (VGT) technology provides enhanced responsiveness and power output across a broad RPM range. The engine also features an intercooler to further cool the intake air, increasing density and performance. The engine produces 190 horsepower at 4,000 rpm and 400 Nm (295 lb-ft) of torque between 1,750 and 2,500 rpm. Paired with the engine is BMW’s 8-speed Steptronic automatic transmission. This transmission is known for its smooth shifts and efficiency. It features a torque converter and allows for both automatic and manual gear selection via steering wheel-mounted paddles or the gear selector.
Driving Characteristics
The 520d Steptronic offers a comfortable and refined driving experience. While not as overtly sporty as the gasoline-powered 530i or 540i, the 520d provides ample power for everyday driving and highway cruising. The 400 Nm of torque is readily available, providing strong acceleration from low engine speeds. The 8-speed automatic transmission contributes to smooth gear changes and helps to keep the engine in its optimal power band. Compared to a manual transmission equipped 520d, the Steptronic offers greater convenience, particularly in urban traffic. However, some drivers may find the automatic transmission slightly less engaging than a manual. Acceleration from 0 to 60 mph takes approximately 7.1 seconds, and the car has a top speed of 146 mph. The rear-wheel-drive configuration provides a balanced handling feel, although it can be less confident in slippery conditions compared to all-wheel-drive variants.
Equipment & Trim Levels
The 520d Steptronic typically came standard with a comprehensive list of features, including BMW’s iDrive infotainment system with a 10.25-inch touchscreen display, navigation, automatic climate control, leather upholstery, and power-adjustable front seats. Standard safety features included ABS, stability control, and a suite of airbags. Optional extras included features such as a premium sound system, adaptive cruise control, a head-up display, and various driver assistance systems. Trim levels varied depending on the market, but generally included options for upgraded interior materials, exterior styling packages, and additional comfort features.
Chassis & Braking
The G30 5 Series features a sophisticated chassis design aimed at balancing comfort and handling. The front suspension utilizes a double wishbone setup, while the rear suspension employs an independent multi-link design. This configuration provides a smooth ride and precise handling characteristics. The 520d Steptronic is equipped with ventilated disc brakes on all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) is standard, enhancing braking performance and stability. The steering system is an electric power steering setup, offering precise and responsive steering feel.
Market Reception & Comparison
The 520d Steptronic was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and refined interior. However, some critics noted that the engine lacked the outright performance of the higher-output models. Compared to the 530i, the 520d offered significantly better fuel economy but less horsepower and acceleration. Compared to other diesel variants, such as the 530d, the 520d represented a more affordable entry point into the 5 Series range, albeit with a lower level of performance. The 520d’s fuel economy figures of 4.1-4.5 l/100 km (57.4 – 52.3 US mpg) were a key selling point, particularly in markets with high fuel prices and stringent emissions regulations.
Legacy
The BMW 5 Series G30 520d Steptronic has proven to be a reliable and durable vehicle. The B47 engine, while having some early issues with timing chain wear (addressed in later revisions), is generally considered a robust and long-lasting unit. The 8-speed Steptronic transmission is also known for its reliability. On the used car market, the 520d Steptronic remains a popular choice for buyers seeking a comfortable, efficient, and well-equipped executive sedan. Its relatively low running costs and strong resale value contribute to its continued appeal.
