The BMW 520d Steptronic, part of the F10 LCI (Life Cycle Impulse) facelift generation of the 5 Series sedan produced from 2014 to 2016, represented an important entry point into the BMW mid-size executive car range. Positioned as a fuel-efficient and comfortable option, it catered to buyers prioritizing economy and refinement over outright performance. The F10 LCI brought styling updates, improved technology, and revised engine options to the already successful F10 platform, which ran from 2010-2017. This specific 520d variant combined a 2.0-liter turbocharged diesel engine with BMW’s eight-speed Steptronic automatic transmission, offering a balance between performance and efficiency.
Technical Specifications
| Brand | BMW |
| Model | 5 Series |
| Generation | 5 Series Sedan (F10 LCI, Facelift 2013) |
| Type (Engine) | 520d (190 Hp) Steptronic |
| Start of production | 2014 |
| End of production | 2016 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 4.9-5.3 l/100 km (48 – 44.4 US mpg, 57.6 – 53.3 UK mpg, 20.4 – 18.9 km/l) |
| Fuel consumption (extra urban) | 3.7-4.1 l/100 km (63.6 – 57.4 US mpg, 76.3 – 68.9 UK mpg, 27 – 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 | 109-119 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 7.7 sec |
| Acceleration 0 – 62 mph | 7.7 sec |
| Acceleration 0 – 60 mph | 7.3 sec |
| Maximum speed | 233 km/h (144.78 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 8.6 kg/Hp, 116.6 Hp/tonne |
| Weight-to-torque ratio | 4.1 kg/Nm, 245.4 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 | B47D20A |
| 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-Turbo, Intercooler |
| Engine oil capacity | 5 l (5.28 US qt | 4.4 UK qt) |
| Coolant | 7 l (7.4 US qt | 6.16 UK qt) |
| Kerb Weight | 1630 kg (3593.53 lbs.) |
| Max. weight | 2240 kg (4938.35 lbs.) |
| Max load | 610 kg (1344.82 lbs.) |
| Trunk (boot) space – minimum | 520 l (18.36 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 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 | 4907 mm (193.19 in.) |
| Width | 1860 mm (73.23 in.) |
| Height | 1464 mm (57.64 in.) |
| Wheelbase | 2968 mm (116.85 in.) |
| Front track | 1600 mm (62.99 in.) |
| Rear (Back) track | 1627 mm (64.06 in.) |
| Ride height (ground clearance) | 141 mm (5.55 in.) |
| Drag coefficient (Cd) | 0.25 |
| Minimum turning circle (turning diameter) | 12.0 m (39.37 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 97W; 245/45 R18; 275/40 R18; 245/40 R19; 275/35 R19; 245/35 R20; 275/30 R20 |
| Wheel rims size | 8J x 17; 8J x 18; 8.5J x 19; 9J x 19; 8.5J x 20; 9J x 20 |
Powertrain & Engine Architecture
The heart of the 520d Steptronic is the BMW B47D20A 2.0-liter inline-four diesel engine. This engine is a member of BMW’s modular engine family, known for its efficiency and refinement. It utilizes a second-generation common rail direct injection system operating at pressures up to 2,000 bar, ensuring precise fuel delivery and optimized combustion. The engine is equipped with a twin-scroll turbocharger with variable geometry turbine (VGT) technology, and intercooling, which helps to minimize turbo lag and maximize power output across a broad rev range. The B47 engine also features a closed-crankcase ventilation system with oil separator, reducing emissions and oil consumption. The eight-speed Steptronic automatic transmission is a crucial component, offering smooth and quick gear changes. It features a torque converter lockup clutch that engages in most gears, improving efficiency. The transmission also includes adaptive learning, adjusting shift points based on the driver’s style and road conditions.
Driving Characteristics
The 520d Steptronic delivers a comfortable and refined driving experience. While not a performance-oriented model, the 190 hp and 400 Nm of torque provide adequate power for everyday driving and highway cruising. Acceleration from 0-60 mph takes around 7.3 seconds. The Steptronic transmission contributes to a relaxed driving experience, particularly in city traffic. The gear ratios are well-chosen, providing good responsiveness and minimizing engine noise at cruising speeds. Compared to the more powerful 525d or 530d models, the 520d feels less urgent in acceleration, but its fuel economy advantage is significant. Manual transmission versions of the 520d offered a more engaging driving experience, but the Steptronic provides greater convenience for many drivers.
Equipment & Trim Levels
The 520d Steptronic typically came standard with a comprehensive list of features, including automatic climate control, BMW Professional radio with iDrive controller, power-adjustable front seats, and a leather-wrapped steering wheel. Common options included navigation system, upgraded audio systems (Harman Kardon), sunroof, and various driver assistance systems like parking sensors and lane departure warning. Interior upholstery was typically cloth or leatherette, with full leather available as an option. Trim levels varied depending on the market, but generally included ‘SE’ (Sport Edition) and ‘Luxury’ packages, offering different styling cues and additional features.
Chassis & Braking
The F10 5 Series features a sophisticated chassis design. The 520d Steptronic utilizes a double-wishbone front suspension and an independent multi-link rear suspension, providing a comfortable ride and precise handling. The suspension is tuned to prioritize comfort, but still offers good body control. Braking is handled by ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock Braking System (ABS), Dynamic Stability Control (DSC), and Brake Assist are standard safety features. The 520d’s weight (around 1630 kg) is relatively moderate for a car of its size, contributing to its balanced handling.
Market Reception & Comparison
The 520d Steptronic was well-received by critics as a practical and efficient option within the 5 Series range. It was praised for its fuel economy, comfortable ride, and refined interior. However, some reviewers noted that the engine could feel strained when pushed hard, and that the performance was not as exhilarating as that of the higher-powered models. Compared to competitors like the Audi A6 and Mercedes-Benz E-Class, the 520d offered a compelling combination of performance, efficiency, and luxury. Its fuel economy figures were particularly competitive, making it an attractive choice for drivers covering long distances.
Legacy
The B47 engine, found in the 520d Steptronic, has proven to be a relatively reliable powertrain, although some early examples experienced issues with timing chain tensioners. Regular maintenance, including oil changes and timing chain inspections, is crucial for long-term reliability. Today, the F10 520d Steptronic represents a good value proposition in the used car market. It offers a comfortable and well-equipped driving experience at an affordable price point. Its fuel efficiency and relatively low running costs make it a practical choice for those seeking a mid-size executive car.
