The BMW 5 Series Touring (G31 LCI), specifically the 520i variant with the 184 horsepower mild-hybrid powertrain and Steptronic automatic transmission, represents a compelling blend of practicality, efficiency, and BMW’s signature driving dynamics. Introduced with the Life Cycle Impulse (LCI) facelift in July 2020 and continuing through February 2024, this model occupied a key position in the 5 Series lineup as an entry-level offering, appealing to buyers seeking a premium wagon experience without the higher costs associated with more powerful engines. It builds upon the G31 generation, which debuted in 2017, offering updated styling, enhanced technology, and refined powertrain options.
Technical Specifications
| Brand | BMW |
| Model | 5 Series |
| Generation | 5 Series Touring (G31 LCI, facelift 2020) |
| Type (Engine) | 520i (184 Hp) Mild Hybrid Steptronic |
| Start of production | July, 2020 |
| End of production | February, 2024 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 6.7-7.0 l/100 km (35.1 – 33.6 US mpg) |
| Fuel consumption (extra urban) | 4.8-5.0 l/100 km (49 – 47 US mpg) |
| Fuel consumption (combined) | 5.5-5.7 l/100 km (42.8 – 41.3 US mpg) |
| CO2 emissions | 126-131 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 | 225 km/h (139.81 mph) |
| Emission standard | EURO 6d |
| Weight-to-power ratio | 9.3 kg/Hp |
| Weight-to-torque ratio | 5.9 kg/Nm |
| Gross battery capacity | 0.528 kWh |
| Electric motor power | 11 Hp |
| Power | 184 Hp @ 5000-6500 rpm |
| Torque | 290 Nm @ 1350-4250 rpm (213.89 lb.-ft. @ 1350-4250 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | B48B20A |
| Engine displacement | 1998 cm3 (121.93 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 82 mm (3.23 in.) |
| Piston Stroke | 94.6 mm (3.72 in.) |
| Compression ratio | 11:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-power turbo, Intercooler |
| Valvetrain | VALVETRONIC |
| Engine oil capacity | 5.25 l (5.55 US qt | 4.62 UK qt) |
| Coolant | 9.9 l (10.46 US qt | 8.71 UK qt) |
| Kerb Weight | 1715 kg (3780.93 lbs.) |
| Max. weight | 2410 kg (5313.14 lbs.) |
| Max load | 695 kg (1532.21 lbs.) |
| Trunk (boot) space – minimum | 560 l (19.78 cu. ft.) |
| Trunk (boot) space – maximum | 1700 l (60.03 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 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 | 4963 mm (195.39 in.) |
| Width | 1868 mm (73.54 in.) |
| Height | 1498 mm (58.98 in.) |
| Wheelbase | 2975 mm (117.13 in.) |
| Front track | 1605 mm (63.19 in.) |
| Rear track | 1630 mm (64.17 in.) |
| Ride height (ground clearance) | 140 mm (5.51 in.) |
| Drag coefficient (Cd) | 0.27 |
| Minimum turning circle | 12.0 m (39.37 ft.) |
| Drivetrain Architecture | Rear wheel drive. MHEV. ICE and electric motor drive rear wheels. |
| 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 101Y XL |
| Wheel rims size | 7.5J x 17 |
INTRODUCTION
The G31 LCI 520i Touring is a five-door, five-seat station wagon that debuted in mid-2020 as part of BMW’s refreshed 5 Series range. Positioned as the entry point to the 5 Series Touring lineup, it offered a more accessible price point while still delivering the core BMW experience. The “LCI” designation signifies a Life Cycle Impulse, BMW’s term for a significant facelift. This update brought revised exterior styling, a modernized interior with updated infotainment, and the introduction of mild-hybrid technology to improve fuel efficiency. The 520i variant, powered by a 2.0-liter turbocharged four-cylinder engine, was designed to appeal to buyers prioritizing fuel economy and comfortable long-distance cruising over outright performance.
Powertrain & Engine Architecture
At the heart of the 520i Touring lies the BMW B48B20A 2.0-liter inline-four cylinder engine. This engine utilizes direct fuel injection and a single twin-scroll turbocharger with an intercooler to deliver a balance of power and efficiency. The B48 engine family is known for its robust construction and relatively straightforward maintenance. The 520i benefits from 48V mild-hybrid technology, incorporating a 48V starter-generator. This system allows for extended start-stop functionality, regenerative braking to recoup energy, and a small power boost during acceleration. The engine produces 184 horsepower at 5000-6500 rpm and 290 Nm (213.89 lb-ft) of torque between 1350 and 4250 rpm. The engine is paired with BMW’s eight-speed Steptronic automatic transmission, known for its smooth and quick shifts. This transmission is electronically controlled and adapts its shift points based on driving style and road conditions.
Driving Characteristics
The 520i Touring’s driving experience is characterized by comfort and refinement. While not as dynamically engaging as higher-powered 5 Series variants, the 184 hp engine provides adequate performance for everyday driving and highway cruising. Acceleration from 0-60 mph takes approximately 7.9 seconds. The Steptronic transmission contributes to a relaxed driving experience, seamlessly shifting gears and providing responsive downshifts when needed. The mild-hybrid system provides a subtle but noticeable boost during acceleration, enhancing responsiveness. Compared to manual transmission versions (which were less common in this configuration), the automatic offers greater convenience, particularly in urban environments. Compared to the 530i or 540i models, the 520i offers a more fuel-efficient and affordable option, sacrificing some performance in the process.
Equipment & Trim Levels
The 520i Touring typically came well-equipped as standard, reflecting its position as a premium vehicle. Standard features often included BMW’s iDrive infotainment system with a touchscreen display, navigation, Apple CarPlay and Android Auto compatibility, automatic climate control, leather upholstery, and a suite of driver-assistance systems such as lane departure warning and forward collision warning. Optional extras included a premium sound system, panoramic sunroof, adaptive cruise control, and upgraded interior trim options. Trim levels varied by market, but generally offered packages that bundled popular options together. The interior design was refined and modern, with high-quality materials and a focus on ergonomics.
Chassis & Braking
The G31 LCI 520i Touring utilizes a double-wishbone front suspension and an independent multi-link rear suspension, providing a comfortable and controlled ride. The suspension is tuned to prioritize comfort, but still offers good body control in corners. Braking duties are handled by ventilated disc brakes on all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) is standard, along with electronic stability control. The 520i’s weight of approximately 1715 kg (3780.93 lbs) is relatively moderate for a vehicle of its size, contributing to its balanced handling characteristics. Stabilizer bars are fitted front and rear to reduce body roll during cornering.
Market Reception & Comparison
The 520i Touring was generally well-received by automotive critics as a practical and efficient option within the 5 Series range. Reviewers praised its comfortable ride, refined interior, and fuel economy. However, some noted that the 184 hp engine could feel underpowered when fully loaded or during spirited driving. Compared to the 530i, which offered a more powerful six-cylinder engine, the 520i provided a more affordable entry point, but at the expense of performance. In terms of fuel economy, the 520i consistently outperformed its more powerful siblings, achieving combined fuel consumption figures of around 5.5-5.7 l/100 km (42.8 – 41.3 US mpg). Reliability has been generally good, with the B48 engine proving to be a durable unit.
Legacy
The G31 LCI 520i Touring represents a well-rounded and practical offering in the premium station wagon segment. Its combination of comfort, efficiency, and technology has made it a popular choice among buyers seeking a versatile and refined vehicle. On the used car market, these models are generally sought after for their reliability and relatively low running costs. The mild-hybrid technology, while not a full hybrid system, contributes to improved fuel economy and reduced emissions. The B48 engine is known for its longevity, and with proper maintenance, these vehicles are expected to provide many years of reliable service. The 520i Touring continues to be a compelling option for those seeking a premium wagon experience that balances practicality with BMW’s signature driving characteristics.
