The BMW 520i Steptronic, part of the G30 LCI (Life Cycle Impulse, or facelift) generation of the 5 Series sedan produced from 2020 to 2023, represented an entry point into the 5 Series range for many buyers. Positioned below the 530i and 540i models, the 520i offered a balance of BMW’s renowned driving dynamics, luxury features, and relatively efficient operation. This variant was primarily aimed at customers prioritizing comfort and fuel economy over outright performance, particularly in markets where taxation favored smaller displacement engines. The G30 LCI brought styling updates, enhanced technology, and refined engine options to the already successful G30 platform.
Technical Specifications
| Brand | BMW |
| Model | 5 Series |
| Generation | 5 Series Sedan (G30 LCI, facelift 2020) |
| Type (Engine) | 520i (170 Hp) Steptronic |
| Start of production | 2020 |
| End of production | 2023 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Combined fuel consumption (WLTP) | 7.8 l/100 km (30.2 US mpg, 36.2 UK mpg, 12.8 km/l) |
| CO2 emissions (WLTP) | 177 g/km |
| Fuel consumption (urban) | 7.5-8.6 l/100 km (31.4 – 27.4 US mpg, 37.7 – 32.8 UK mpg, 13.3 – 11.6 km/l) |
| Fuel consumption (extra urban) | 5.5-6.2 l/100 km (42.8 – 37.9 US mpg, 51.4 – 45.6 UK mpg, 18.2 – 16.1 km/l) |
| Fuel consumption (combined) | 6.2-7.1 l/100 km (37.9 – 33.1 US mpg, 45.6 – 39.8 UK mpg, 16.1 – 14.1 km/l) |
| CO2 emissions (NEDC) | 143-162 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.3 sec |
| Acceleration 0 – 62 mph | 8.3 sec |
| Acceleration 0 – 60 mph | 7.9 sec |
| Maximum speed | 226 km/h (140.43 mph) |
| Emission standard | Euro 6d |
| Weight-to-power ratio | 9.3 kg/Hp, 107.6 Hp/tonne |
| Weight-to-torque ratio | 6.3 kg/Nm, 158.2 Nm/tonne |
| Power | 170 Hp @ 5000-6000 rpm |
| Power per litre | 106.4 Hp/l |
| Torque | 250 Nm @ 2000-4700 rpm (184.39 lb.-ft. @ 2000-4700 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | B48B16A |
| Engine displacement | 1597 cm3 (97.45 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 82 mm (3.23 in.) |
| Piston Stroke | 75.6 mm (2.98 in.) |
| Compression ratio | 8.9:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-power turbo, Intercooler |
| Valvetrain | VALVETRONIC, Double-VANOS |
| Engine oil capacity | 5.25 l (5.55 US qt | 4.62 UK qt) |
| Kerb Weight | 1580 kg (3483.3 lbs.) |
| Max. weight | 2250 kg (4960.4 lbs.) |
| Max load | 670 kg (1477.1 lbs.) |
| Trunk (boot) space | 530 l (18.72 cu. ft.) |
| Fuel tank capacity | 68 l (17.96 US gal | 14.96 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load (brakes 8%) | 2000 kg (4409.25 lbs.) |
| Permitted trailer load (brakes 12%) | 2000 kg (4409.25 lbs.) |
| Permitted trailer load (no brakes) | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 90 kg (198.42 lbs.) |
| Length | 4963 mm (195.39 in.) |
| Width | 1868 mm (73.54 in.) |
| Width including mirrors | 2126 mm (83.7 in.) |
| Height | 1497 mm (58.94 in.) |
| Wheelbase | 2975 mm (117.13 in.) |
| Front track | 1606 mm (63.23 in.) |
| Rear track | 1631 mm (64.21 in.) |
| Front overhang | 882 mm (34.72 in.) |
| Rear overhang | 1106 mm (43.54 in.) |
| Minimum turning circle | 12.4 m (40.68 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears | 8 |
| Gearbox type | automatic transmission Steptronic |
| Front suspension | Double wishbone, Transverse stabilizer |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| 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 |
| Front tires | 225/55 R17; 245/45 R18; 245/40 R19; 245/35 R20 |
| Rear tires | 225/55 R17; 245/45 R18; 275/40 R18; 245/40 R19; 275/35 R19; 275/30 R20 |
| Front wheel rims | 7.5J x 17; 8J x 18; 8J x 19; 8J x 20 |
| Rear wheel rims | 7.5J x 17; 8J x 18; 9J x 18; 8J x 19; 9J x 19; 9J x 20 |
Powertrain & Engine Architecture
The 520i Steptronic was powered by the BMW B48B16A 2.0-liter inline-four cylinder engine. This engine is a member of BMW’s modular engine family, known for its efficiency and refinement. It utilizes direct fuel injection, a single twin-scroll turbocharger with an intercooler, and BMW’s VALVETRONIC variable valve timing and Double-VANOS variable camshaft timing systems. These technologies work in concert to optimize combustion, improve throttle response, and enhance fuel economy. The engine produced 170 horsepower at 5000-6000 rpm and 250 Nm (184 lb-ft) of torque between 2000-4700 rpm. The engine was paired with an 8-speed Steptronic automatic transmission, which offered smooth and quick shifts. This transmission was known for its adaptability, offering both automatic and manual shift modes.
Driving Characteristics
The 520i Steptronic offered a comfortable and refined driving experience. While not as sporty as the higher-powered 5 Series variants, it provided adequate acceleration for everyday driving. The 0-60 mph sprint took approximately 7.9 seconds. The 8-speed automatic transmission was well-tuned, providing seamless gear changes and contributing to the car’s overall smoothness. The gear ratios were optimized for fuel efficiency, but also allowed for responsive acceleration when needed. Compared to the 530i or 540i, the 520i felt less urgent in its acceleration, but its lighter weight and efficient engine contributed to better fuel economy.
Equipment & Trim Levels
The 520i Steptronic typically came standard with features such as BMW’s iDrive infotainment system with a 10.25-inch touchscreen display, navigation, automatic climate control, power-adjustable front seats, and a suite of safety features including automatic emergency braking and lane departure warning. Interior upholstery was typically a combination of leatherette and cloth, with optional full leather upgrades available. Common optional extras included a sunroof, upgraded audio system, parking assist, and adaptive cruise control. Trim levels varied by market, but generally offered packages that bundled popular options together.
Chassis & Braking
The G30 5 Series featured a sophisticated chassis design. The 520i utilized a double-wishbone front suspension and an independent multi-link rear suspension, both with stabilizer bars. This setup provided a comfortable ride while maintaining good handling characteristics. The braking system consisted of ventilated disc brakes on all four wheels. ABS (Anti-lock Braking System) was standard, ensuring safe and controlled stopping power. The suspension tuning was geared towards comfort, resulting in a slightly softer ride compared to the more performance-oriented 5 Series models.
Market Reception & Comparison
The 520i Steptronic was generally well-received by automotive critics as a sensible and well-rounded option within the 5 Series lineup. It was praised for its comfortable ride, refined interior, and fuel efficiency. However, some critics noted that its performance was not as engaging as that of the higher-powered models. Compared to the 530i, the 520i offered a lower price point but sacrificed some performance. In terms of fuel economy, the 520i consistently outperformed the 530i and 540i, making it an attractive option for drivers prioritizing efficiency. Reliability reports generally indicated good long-term reliability for the B48 engine and 8-speed transmission.
Legacy
The BMW 520i Steptronic (G30 LCI) has established itself as a reliable and relatively affordable entry point into the BMW 5 Series ownership experience. The B48 engine has proven to be durable and capable, and the 8-speed Steptronic transmission is known for its smooth operation. On the used car market, these models represent a good value proposition, offering a blend of luxury, comfort, and efficiency. While not the most exciting 5 Series variant, the 520i remains a popular choice for buyers seeking a well-built and refined mid-size sedan.
