The BMW 3 Series Touring (F31) 320i xDrive Steptronic, produced from 2013 to 2015, represents BMW’s entry point into the premium compact executive estate (wagon) market with all-wheel drive and an automatic transmission. Positioned within the broader F31 3 Series Touring range, which spanned from efficient diesel models to high-performance M variants, the 320i xDrive aimed to balance practicality, fuel efficiency, and the BMW driving experience. It was a key offering for customers seeking a versatile vehicle capable of handling both daily commutes and family adventures, particularly in regions where station wagons maintain significant popularity. This variant utilized BMW’s xDrive all-wheel drive system, providing enhanced traction and stability in various weather conditions.
Technical Specifications
| Brand | BMW |
| Model | 3 Series |
| Generation | 3 Series Touring (F31) |
| Type (Engine) | 320i (184 Hp) xDrive Steptronic |
| Start of production | 2013 |
| End of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 8.8-8.9 l/100 km (26.7 – 26.4 US mpg) |
| Fuel consumption (extra urban) | 5.2-5.3 l/100 km (45.2 – 44.4 US mpg) |
| Fuel consumption (combined) | 6.5-6.6 l/100 km (36.2 – 35.6 US mpg) |
| CO2 emissions | 152-154 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.7 sec |
| Acceleration 0 – 62 mph | 7.7 sec |
| Acceleration 0 – 60 mph | 7.3 sec |
| Maximum speed | 223 km/h (138.57 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 8.6 kg/Hp |
| Weight-to-torque ratio | 5.8 kg/Nm |
| Power | 184 Hp @ 5000-6250 rpm |
| Torque | 270 Nm @ 1250 rpm (199.14 lb.-ft. @ 1250 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 | 7 l (7.4 US qt | 6.16 UK qt) |
| Kerb Weight | 1575 kg (3472.28 lbs.) |
| Max. weight | 2125 kg (4684.82 lbs.) |
| Max load | 550 kg (1212.54 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 (12%) | 1700 kg (3747.86 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4624 mm (182.05 in.) |
| Width | 1811 mm (71.3 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.) |
| Ride height (ground clearance) | 145 mm (5.71 in.) |
| Drag coefficient (Cd) | 0.33 |
| Minimum turning circle (turning diameter) | 11.3 m (37.07 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 8 gears, automatic transmission Steptronic |
| Front suspension | Independent coil spring |
| 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 | 205/60 R16 92W; 225/55 R16; 225/50 R17; 255/45 R17; 225/45 R18; 255/40 R18; 225/40 R19; 255/35 R19 |
| Wheel rims size | 7J x 16; 7.5J x 16; 7.5J x 17; 8.5J x 17; 8J x 18; 8.5J x 18; 8J x 19; 8.5J x 19 |
Powertrain & Engine Architecture
The heart of the F31 320i xDrive Steptronic is BMW’s N20B20B 2.0-liter inline-four cylinder engine. This engine is a member of BMW’s highly regarded modular engine family, known for its efficiency and performance. The N20 features direct fuel injection, a single twin-scroll turbocharger, and variable valve timing (VANOS) and variable valve lift (Valvetronic) technologies. These technologies work in concert to optimize combustion, improve throttle response, and enhance fuel economy. The engine produces 184 horsepower at 5000-6250 rpm and 270 Nm (199 lb-ft) of torque from as low as 1250 rpm. The transmission is an 8-speed Steptronic automatic, offering smooth and quick shifts. This transmission is known for its adaptability, offering both fully automatic operation and manual shift control via steering wheel-mounted paddles or the gear selector.
Driving Characteristics
The 320i xDrive Steptronic delivers a comfortable and refined driving experience. While not as overtly sporty as the higher-powered 3 Series variants, the 184 hp engine provides adequate performance for everyday driving. The xDrive all-wheel drive system provides excellent traction, particularly in inclement weather, inspiring confidence on slippery surfaces. The 8-speed automatic transmission is well-tuned, providing seamless gear changes and contributing to the car’s overall smoothness. Compared to the 6-speed manual transmission available on some 320i models, the Steptronic offers greater convenience, especially in urban traffic. However, the manual transmission provides a more engaging driving experience for enthusiasts. Acceleration from 0-60 mph takes approximately 7.3 seconds, making it competitive within its class.
Equipment & Trim Levels
The 320i xDrive Steptronic typically came equipped with a respectable 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 front seats, and a sunroof. Interior upholstery was typically cloth, with leather options available as an upgrade. Trim levels varied slightly depending on the market, but generally offered packages that bundled popular options together.
Chassis & Braking
The F31 3 Series Touring utilizes a sophisticated chassis design. The front suspension features independent coil springs and struts, while the rear suspension employs a multi-link setup. This configuration provides a good balance between ride comfort and handling precision. The 320i xDrive Steptronic is equipped with ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) and electronic stability control (ESC) are standard safety features. The xDrive system intelligently distributes torque between the front and rear axles, optimizing traction and stability.
Market Reception & Comparison
The 320i xDrive Steptronic was generally well-received by automotive critics. It was praised for its comfortable ride, refined interior, and efficient engine. However, some reviewers noted that the engine lacked the outright performance of the more powerful 3 Series models. Compared to the 328i (later 330i) variants, the 320i offered a more affordable entry point into the 3 Series range, but at the expense of performance. The 320d diesel models offered superior fuel economy, but with a different driving character. The 320i xDrive Steptronic appealed to buyers who prioritized comfort, practicality, and all-weather capability over outright speed.
Legacy
The N20 engine, while generally reliable, has been known to exhibit some issues, including oil leaks and potential for timing chain wear, particularly with deferred maintenance. The 8-speed Steptronic transmission has also proven to be generally durable, but requires regular fluid changes to maintain optimal performance. Today, the F31 320i xDrive Steptronic represents a relatively affordable entry point into BMW ownership. Well-maintained examples continue to offer a comfortable and practical driving experience, making them a popular choice in the used car market. Its blend of practicality, efficiency, and BMW’s renowned driving dynamics ensures its continued appeal to a wide range of buyers.
