The BMW 5 Series G30 520d EfficientDynamics Edition Steptronic, produced from 2017 to 2018, represents a key variant within the seventh generation (G30) of BMW’s flagship executive sedan. Positioned as an entry-level offering in the 5 Series range, it focused on delivering a balance of performance, fuel efficiency, and comfort. This model aimed to attract buyers seeking the prestige of the 5 Series with a more economical diesel powertrain. It was a significant model for BMW in Europe and other markets prioritizing fuel economy and lower emissions, while still offering a premium driving experience.
Technical Specifications
| Brand | BMW |
| Model | 5 Series |
| Generation | 5 Series Sedan (G30) |
| Type (Engine) | 520d (190 Hp) EfficientDynamics Edition Steptronic |
| Start of production | 2017 |
| End of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 4.4-4.7 l/100 km (53.5 – 50 US mpg, 64.2 – 60.1 UK mpg, 22.7 – 21.3 km/l) |
| Fuel consumption (extra urban) | 3.6-4.1 l/100 km (65.3 – 57.4 US mpg, 78.5 – 68.9 UK mpg, 27.8 – 24.4 km/l) |
| Fuel consumption (combined) | 3.9-4.3 l/100 km (60.3 – 54.7 US mpg, 72.4 – 65.7 UK mpg, 25.6 – 23.3 km/l) |
| CO2 emissions | 102-114 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 | 8.1 kg/Hp, 123.4 Hp/tonne |
| Weight-to-torque ratio | 3.9 kg/Nm, 259.7 Nm/tonne |
| Power | 190 Hp @ 4000 rpm |
| 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 | 1540 kg (3395.12 lbs.) |
| Max. weight | 2245 kg (4949.38 lbs.) |
| Max load | 705 kg (1554.26 lbs.) |
| Trunk (boot) space – minimum | 530 l (18.72 cu. ft.) |
| Fuel tank capacity | 62 l (16.38 US gal | 13.64 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 | 1467 mm (57.76 in.) |
| Wheelbase | 2975 mm (117.13 in.) |
| Front track | 1605 mm (63.19 in.) |
| Rear (Back) track | 1631 mm (64.21 in.) |
| Ride height (ground clearance) | 131 mm (5.16 in.) |
| Drag coefficient (Cd) | 0.22 |
| 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 |
INTRODUCTION
The BMW 520d EfficientDynamics Edition Steptronic, launched in 2017, was a crucial component of the G30 5 Series lineup. Built on the modular 30 platform (also known as the 1HX0 platform), it aimed to provide a compelling blend of luxury, efficiency, and driving dynamics. The “EfficientDynamics” designation signified BMW’s efforts to optimize fuel consumption and reduce emissions through a combination of engine technology, aerodynamic enhancements, and lightweight construction. This variant served as an accessible entry point into the 5 Series range, appealing to buyers prioritizing economy without sacrificing the core BMW driving experience.
Powertrain & Engine Architecture
At the heart of the 520d is the B47D20B, a 2.0-liter inline-four cylinder diesel engine. This engine is a member of BMW’s modular engine family, known for its compact design and advanced technology. It utilizes a second-generation common rail direct injection system operating at pressures up to 2,000 bar, ensuring precise fuel delivery and efficient combustion. The engine is turbocharged with a twin-scroll turbocharger, enhancing responsiveness and power output. An intercooler further cools the intake air, increasing density and improving performance. The B47 engine is known for its relatively quiet operation for a diesel. The Steptronic 8-speed automatic transmission is a key component, offering smooth and efficient gear changes. This transmission features a torque converter and allows for both fully automatic operation and manual gear selection via steering wheel-mounted paddles or the gear selector. The transmission’s programming is tuned for fuel efficiency in the EfficientDynamics Edition.
Driving Characteristics
The 520d Automatic delivers a comfortable and refined driving experience. While not overtly sporty, the 190 horsepower and 400 Nm (295 lb-ft) of torque provide adequate performance for everyday driving and highway cruising. Acceleration from 0-60 mph takes approximately 7.1 seconds. The eight-speed automatic transmission contributes to smooth acceleration and helps keep the engine within its optimal power band. Compared to higher-output 5 Series variants like the 530i or 540i, the 520d feels less urgent in its acceleration. However, it offers a more relaxed and fuel-efficient driving experience. The gear ratios are optimized for both fuel economy and responsiveness, with taller gears for highway cruising and shorter gears for quicker acceleration. The rear-wheel-drive configuration provides a balanced handling feel, typical of BMW sedans.
Equipment & Trim Levels
The 520d EfficientDynamics Edition Steptronic came standard with a comprehensive array of features. Interior appointments typically included cloth upholstery, though leather options were available. Standard equipment included BMW’s iDrive infotainment system with a 10.25-inch touchscreen display, navigation, Bluetooth connectivity, and a premium sound system. Safety features such as automatic emergency braking, lane departure warning, and parking sensors were also standard. Optional extras included leather upholstery, heated seats, a panoramic sunroof, adaptive cruise control, and a head-up display. The EfficientDynamics Edition often included specific aerodynamic enhancements, such as optimized underbody panels and active grille shutters, to reduce drag and improve fuel efficiency.
Chassis & Braking
The G30 5 Series features a sophisticated chassis design. The front suspension utilizes a double-wishbone setup, while the rear suspension employs an independent multi-link system. This configuration provides a comfortable ride and precise handling. The 520d 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) are standard safety features. The suspension tuning is geared towards comfort, but still offers a reasonably engaging driving experience. The weight distribution is well-balanced, contributing to stable handling characteristics.
Market Reception & Comparison
The 520d EfficientDynamics Edition Steptronic was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and refined interior. However, some reviewers noted that the engine lacked the outright performance of higher-output variants. Compared to the 520i (petrol version), the 520d offered significantly better fuel economy, making it a more attractive option for drivers covering long distances. Against competitors like the Mercedes-Benz E220d and Audi A6 2.0 TDI, the 520d held its own in terms of performance, fuel efficiency, and overall refinement. The diesel engine’s higher torque output provided better low-end responsiveness compared to some of its petrol-powered rivals.
Legacy
The B47 engine, found in the 520d, has proven to be a relatively reliable powertrain, although some early models experienced issues with the timing chain. Regular maintenance, including oil changes and filter replacements, is crucial for long-term reliability. On the used car market, the G30 520d EfficientDynamics Edition Steptronic represents a good value proposition, offering a blend of luxury, efficiency, and practicality. Its fuel economy and relatively low running costs make it an appealing choice for buyers seeking a premium executive sedan without the high price tag of more powerful variants. The G30 5 Series, as a whole, has established itself as a well-regarded and technologically advanced sedan, and the 520d continues to be a popular choice among used car buyers.
