Technical Specifications
| Brand | BMW |
| Model | 5 Series |
| Generation | 5 Series Sedan (F10) |
| Type (Engine) | 520i (184 Hp) Steptronic |
| Start of production | 2011 |
| End of production | 2013 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 8.3-8.6 l/100 km (28.3 – 27.4 US mpg) |
| Fuel consumption (extra urban) | 5.3-5.5 l/100 km (44.4 – 42.8 US mpg) |
| Fuel consumption (combined) | 6.4-6.7 l/100 km (36.8 – 35.1 US mpg) |
| CO2 emissions | 149-155 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8 sec |
| Acceleration 0 – 62 mph | 8 sec |
| Acceleration 0 – 60 mph | 7.6 sec |
| Maximum speed | 226 km/h (140.43 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 8.8 kg/Hp |
| Weight-to-torque ratio | 6 kg/Nm |
| Power | 184 Hp @ 5000-6250 rpm |
| Torque | 270 Nm @ 1250-4500 rpm (199.14 lb.-ft. @ 1250-4500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | N20B20B |
| Engine displacement | 1997 cm3 (121.86 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 90.1 mm (3.55 in.) |
| Compression ratio | 11:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-power turbo, Intercooler |
| Engine oil capacity | 5 l (5.28 US qt | 4.4 UK qt) |
| Coolant | 9.1 l (9.62 US qt | 8.01 UK qt) |
| Kerb Weight | 1610 kg (3549.44 lbs.) |
| Max. weight | 2220 kg (4894.26 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 | 4899 mm (192.87 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) | 0.29 |
| Minimum turning circle (turning diameter) | 11.95 m (39.21 ft.) |
| Drivetrain Architecture | 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; 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; 9J x 18; 8.5J x 19; 9J x 19; 8.5J x 20; 9J x 20 |
The BMW 5 Series F10 520i Steptronic, produced from 2011 to 2013, served as the entry point into the sixth generation of BMW’s executive sedan in many global markets. Positioned below the 523i, 528i, and higher-performance models, the 520i aimed to provide a balance of BMW’s driving dynamics, luxury, and efficiency. It was targeted towards buyers who desired a comfortable and refined saloon with lower operating costs compared to its more powerful counterparts. The F10 generation, as a whole, sought to integrate sporting characteristics with enhanced comfort and technology, and the 520i played a significant role in expanding the model’s overall appeal.
Powertrain & Engine Architecture
The 520i Steptronic’s powertrain centers around the BMW N20B20B 2.0-liter inline-four cylinder engine. This engine is a cornerstone of BMW’s modular engine family, incorporating direct fuel injection, a single twin-scroll turbocharger, and variable valve timing (VANOS) and valve lift (Valvetronic) technologies. These features collaborate to deliver a broad torque curve and efficient power output. The N20 engine is recognized for its responsiveness and relatively smooth operation for a four-cylinder unit. The Steptronic transmission is an 8-speed automatic gearbox, designed for smooth shifts and contributing to improved fuel economy. It includes steering wheel-mounted paddle shifters for manual gear selection, although its primary focus is on providing a comfortable and effortless driving experience.
Driving Characteristics
Equipped with 184 horsepower and 199 lb-ft of torque, the 520i Steptronic offered respectable performance for daily driving. Acceleration from 0-60 mph took approximately 7.6 seconds, and it provided sufficient power for highway cruising and overtaking maneuvers. Compared to the 528i or 535i models, the 520i understandably lacked the immediate punch of those larger engines. However, the 8-speed automatic transmission was well-configured, helping to maintain the engine within its optimal power range. The automatic transmission prioritized comfort and fuel efficiency over aggressive shifting, making it well-suited for drivers who valued a relaxed driving experience. The rear-wheel-drive configuration contributed to the BMW’s balanced handling, although it wasn’t as sporty as the xDrive all-wheel-drive versions.
Equipment & Trim Levels
The 520i Steptronic typically came standard with features such as leatherette upholstery, automatic climate control, a multi-function steering wheel, and BMW’s iDrive infotainment system. Optional extras included genuine leather upholstery, a premium sound system, navigation, parking sensors, and a sunroof. Trim levels varied depending on the market, but generally, the 520i was positioned as the entry-level model, offering a solid base of features with the option to upgrade through various packages. The interior design was characteristic of BMW at the time, emphasizing a driver-focused layout with high-quality materials and a clean, modern aesthetic.
Chassis & Braking
The F10 5 Series utilized a double-wishbone front suspension and an independent multi-link rear suspension, providing a comfortable ride and good handling characteristics. The 520i typically featured ventilated disc brakes on all four wheels, offering adequate stopping power for its weight. ABS (Anti-lock Braking System) was standard, along with electronic stability control. The suspension tuning was geared towards comfort, but still provided a reasonably engaging driving experience. Stabilizer bars were incorporated front and rear to minimize body roll during cornering.
Market Reception & Comparison
The 520i Steptronic was generally well-received by automotive critics as a sensible and efficient option within the 5 Series lineup. It was praised for its comfortable ride, refined interior, and fuel economy. However, some reviewers noted that the engine lacked the excitement of the larger, more powerful engines available in the range. Compared to the 528i, the 520i offered lower running costs but sacrificed performance. Against competitors like the Audi A6 and Mercedes-Benz E-Class, the 520i held its own in terms of driving dynamics and interior quality.
Legacy
The N20 engine, while generally reliable, has been known to exhibit some issues with the timing chain and water pump in higher-mileage examples. Consistent maintenance, including regular oil changes and coolant flushes, is crucial for ensuring the longevity of this powertrain. The 8-speed Steptronic transmission has proven to be a durable unit, but, like any automatic transmission, it requires periodic fluid changes. Today, the F10 520i Steptronic represents a relatively affordable entry point into BMW ownership, offering a blend of luxury, comfort, and reliability. It remains a popular choice for buyers seeking a well-rounded executive sedan with reasonable operating costs.
