The BMW 3 Series Touring (F31 LCI), specifically the 320i xDrive Steptronic variant, represents a compelling blend of practicality and performance within the premium compact estate (wagon) segment. Produced from 2015 to 2019 as part of the F31 Life Cycle Impulse (LCI) facelift, this model offered all-wheel drive capability paired with an automatic transmission and a 2.0-liter turbocharged four-cylinder engine. It occupied a mid-range position in the 3 Series Touring lineup, appealing to buyers seeking a balance between fuel efficiency, comfortable driving dynamics, and the added versatility of a wagon body style. The F31 LCI brought updated styling, improved technology, and refined engine options compared to the pre-facelift F31 models.
Technical Specifications
| Brand | BMW |
| Model | 3 Series |
| Generation | 3 Series Touring (F31 LCI, Facelift 2015) |
| Type (Engine) | 320i (184 Hp) xDrive Steptronic |
| Start of production | 2015 |
| End of production | 2019 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – urban (NEDC) | 8-8.5 l/100 km (29.4 – 27.7 US mpg, 35.3 – 33.2 UK mpg, 12.5 – 11.8 km/l) |
| Fuel consumption (economy) – extra urban (NEDC) | 5-5.3 l/100 km (47 – 44.4 US mpg, 56.5 – 53.3 UK mpg, 20 – 18.9 km/l) |
| Fuel consumption (economy) – combined (NEDC) | 6.1-6.5 l/100 km (38.6 – 36.2 US mpg, 46.3 – 43.5 UK mpg, 16.4 – 15.4 km/l) |
| CO2 emissions (NEDC) | 141-151 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.9 sec |
| Acceleration 0 – 62 mph | 7.9 sec |
| Acceleration 0 – 60 mph | 7.5 sec |
| Maximum speed | 223 km/h (138.57 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 8.8 kg/Hp, 114.3 Hp/tonne |
| Weight-to-torque ratio | 6 kg/Nm, 167.7 Nm/tonne |
| Power | 184 Hp @ 5000-6500 rpm |
| Power per litre | 92.1 Hp/l |
| Torque | 270 Nm @ 1350-4600 rpm (199.14 lb.-ft. @ 1350-4600 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, Double-VANOS |
| Engine oil capacity | 5 l (5.28 US qt | 4.4 UK qt) |
| Coolant | 7.8 l (8.24 US qt | 6.86 UK qt) |
| Kerb Weight | 1610 kg (3549.44 lbs.) |
| Max. weight | 2185 kg (4817.1 lbs.) |
| Max load | 575 kg (1267.66 lbs.) |
| Trunk (boot) space – minimum | 495 l (17.48 cu. ft.) |
| Trunk (boot) space – maximum | 1500 l (52.97 cu. ft.) |
| Fuel tank capacity | 60 l (15.85 US gal | 13.2 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (8%) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load with brakes (12%) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4633 mm (182.4 in.) |
| Width | 1811 mm (71.3 in.) |
| Width including mirrors | 2031 mm (79.96 in.) |
| Height | 1434 mm (56.46 in.) |
| Wheelbase | 2810 mm (110.63 in.) |
| Front track | 1542 mm (60.71 in.) |
| Rear (Back) track | 1582 mm (62.28 in.) |
| Front overhang | 779 mm (30.67 in.) |
| Rear overhang | 1044 mm (41.1 in.) |
| Ride height (ground clearance) | 145 mm (5.71 in.) |
| Drag coefficient (Cd) | 0.31 |
| Minimum turning circle (turning diameter) | 11.7 m (38.39 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives permanently the four wheels of the vehicle. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 8 gears, automatic transmission Steptronic |
| Front suspension | Spring Strut, 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 |
| Tires size | Front wheel tires: 205/60 R16; 225/55 R16; 225/50 R17; 225/45 R18; 225/40 R19Rear wheel tires: 205/60 R16; 225/55 R16; 225/50 R17; 225/45 R18; 255/40 R18; 255/35 R19 |
| Wheel rims size | Front wheel rims: 7J x 16; 7.5J x 16; 7.5J x 17; 8J x 18; 8J x 19Rear wheel rims: 7J x 16; 7.5J x 16; 7.5J x 17; 8J x 18; 8.5J x 18; 8.5J x 19 |
INTRODUCTION
The BMW 3 Series Touring (F31) LCI 320i xDrive Steptronic, produced between 2015 and 2019, is a five-door, five-seat station wagon built on the F31 chassis, which is a derivative of the 1HX0/A3 platform shared with other BMW models. This variant aimed to provide a practical and efficient option within the 3 Series range, combining the renowned BMW driving experience with the increased cargo capacity of a touring body style. The xDrive all-wheel-drive system and Steptronic automatic transmission were key features, enhancing both all-weather capability and ease of driving. The LCI (Life Cycle Impulse) facelift brought cosmetic and technological updates, including revised front and rear styling, updated infotainment systems, and improved engine efficiency.
Powertrain & Engine Architecture
At the heart of the 320i xDrive Steptronic lies the BMW B48B20A 2.0-liter inline-four cylinder engine. This engine utilizes direct fuel injection and is equipped with a single twin-scroll turbocharger and intercooler. BMW’s VALVETRONIC variable valve timing and Double-VANOS variable camshaft timing systems are employed to optimize engine performance and efficiency across a wide range of driving conditions. The B48 engine is known for its responsiveness and relatively smooth power delivery. The engine produces 184 horsepower at 5000-6500 rpm and 270 Nm (199.14 lb.-ft.) of torque between 1350 and 4600 rpm. The engine is mated to an 8-speed Steptronic automatic transmission, which offers smooth and quick gear changes. This transmission features a torque converter and allows for both automatic and manual gear selection via steering wheel-mounted paddles or the gear selector. The xDrive all-wheel-drive system is a sophisticated system that intelligently distributes power between the front and rear axles based on driving conditions, maximizing traction and stability.
Driving Characteristics
The 320i xDrive Steptronic offers a comfortable and composed driving experience. While not as overtly sporty as some of the higher-powered 3 Series variants, it provides ample performance for everyday driving and longer journeys. The 8-speed automatic transmission is well-tuned, providing seamless gear changes and contributing to good fuel economy. The xDrive system provides excellent grip in various weather conditions, inspiring confidence on slippery surfaces. Compared to the 6-speed manual transmission available on some 320i models, the Steptronic automatic prioritizes ease of use and fuel efficiency over outright driver engagement. The power delivery is linear, with the turbocharger providing a noticeable boost in mid-range acceleration. The steering is precise and well-weighted, typical of BMW, and the suspension provides a good balance between comfort and handling.
Equipment & Trim Levels
The 320i xDrive Steptronic typically came equipped with a generous level of standard features. These included automatic climate control, a BMW iDrive infotainment system with a central display screen, power-adjustable front seats, and a leather-wrapped steering wheel. Common optional extras included navigation, a premium sound system, heated seats, a sunroof, and various driver assistance systems such as lane departure warning and adaptive cruise control. Interior upholstery was typically cloth or leatherette, with leather being an optional upgrade. The dashboard layout was typical of the F31, with a driver-focused design and high-quality materials. Trim levels could vary depending on the market, but generally, the 320i xDrive Steptronic sat in the mid-range of the 3 Series Touring lineup, offering a good balance of features and price.
Chassis & Braking
The F31 320i xDrive Steptronic utilizes a MacPherson strut front suspension and a multi-link rear suspension. This setup provides a comfortable ride and good handling characteristics. Stabilizer bars are fitted to both the front and rear axles to reduce body roll during cornering. The braking system consists of ventilated disc brakes on all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) is standard, along with electronic brake-force distribution and brake assist. The xDrive all-wheel-drive system adds to the vehicle’s stability and braking performance, particularly on low-grip surfaces.
Market Reception & Comparison
The 320i xDrive Steptronic was generally well-received by automotive critics. It was praised for its comfortable ride, refined engine, and all-weather capability. However, some reviewers noted that it lacked the outright performance of the more powerful 3 Series variants, such as the 330i or the M340i. Compared to the 320d (diesel) models, the 320i offered a more responsive engine but typically lower fuel economy. The 320i xDrive Steptronic appealed to buyers who prioritized comfort, practicality, and all-weather confidence over outright performance. Its fuel economy figures were competitive within its class, and it offered a good balance of running costs and driving enjoyment.
Legacy
The B48 engine family, including the B48B20A used in the 320i xDrive Steptronic, has proven to be relatively reliable, although some early examples experienced issues with oil leaks and timing chain wear. The 8-speed Steptronic automatic transmission is also generally considered to be a durable and reliable unit. In the used car market, the F31 320i xDrive Steptronic represents a good value proposition for buyers seeking a premium compact estate with all-wheel drive. Its combination of practicality, comfort, and BMW’s renowned driving dynamics continues to make it a popular choice among used car buyers. Regular maintenance, including oil changes and adherence to BMW’s recommended service intervals, is crucial for ensuring the long-term reliability of this vehicle.
