The BMW 3 Series Touring (F31 LCI), specifically the 320d xDrive Steptronic variant, represents a significant iteration of BMW’s popular compact executive wagon. Produced from 2015 to 2019, this model is part of the F31 generation, which itself is based on the F30 3 Series sedan. The “LCI” designation signifies a Life Cycle Impulse – BMW’s term for a comprehensive mid-cycle refresh, bringing styling updates, revised technology, and refined engine options. The 320d xDrive Steptronic occupied a middle ground in the 3 Series Touring lineup, offering a balance of fuel efficiency, performance, and practicality, appealing to buyers seeking a versatile premium wagon.
Technical Specifications
| Brand | BMW |
| Model | 3 Series |
| Generation | 3 Series Touring (F31 LCI, Facelift 2015) |
| Type (Engine) | 320d (190 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 (urban) | 5.8-5.4 l/100 km (40.6 – 43.6 US mpg) |
| Fuel consumption (extra urban) | 4.4-4.0 l/100 km (53.5 – 58.8 US mpg) |
| Fuel consumption (combined) | 4.9-4.5 l/100 km (48 – 52.3 US mpg) |
| CO2 emissions | 129-119 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 7.6 sec |
| Acceleration 0 – 62 mph | 7.6 sec |
| Acceleration 0 – 60 mph | 7.2 sec |
| Maximum speed | 222 km/h (137.94 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 8.4 kg/Hp, 118.4 Hp/tonne |
| Weight-to-torque ratio | 4 kg/Nm, 249.2 Nm/tonne |
| Power | 190 Hp @ 4000 rpm |
| Torque | 400 Nm @ 1750-2500 rpm (295.02 lb.-ft. @ 1750-2500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | B47D20 |
| Engine displacement | 1995 cm3 (121.74 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 90 mm (3.54 in.) |
| Compression ratio | 16.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| 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 | 1605 kg (3538.42 lbs.) |
| Max. weight | 2180 kg (4806.08 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 | 57 l (15.06 US gal | 12.54 UK gal) |
| Max. roof load | 75 kg (165.35 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.) |
| 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) | 0.30 |
| Minimum turning circle (turning diameter) | 11.7 m (38.39 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 |
Powertrain & Engine Architecture
The heart of the 320d xDrive Steptronic is the BMW B47D20 2.0-liter inline-four diesel engine. This engine is a member of BMW’s modular engine family, known for its efficiency and refinement. The B47 utilizes a common-rail direct injection system, delivering fuel at extremely high pressure for optimized combustion. A single twin-scroll turbocharger, coupled with an intercooler, provides forced induction, boosting power and torque. The engine also features variable valve timing (VANOS) and variable turbine geometry (VTG) on the turbocharger to enhance responsiveness and efficiency across the rev range. The engine produces 190 horsepower at 4,000 rpm and a substantial 400 Nm (295 lb-ft) of torque between 1,750 and 2,500 rpm. This torque output is a key characteristic of modern diesel engines, providing strong pulling power at low engine speeds.
The “Steptronic” designation refers to BMW’s 8-speed automatic transmission. This transmission is known for its smooth and quick shifts, contributing to both performance and fuel economy. The transmission is electronically controlled and adapts its shift points based on driving style and road conditions. The xDrive all-wheel-drive system distributes power between the front and rear axles as needed, enhancing traction and stability, particularly in adverse weather conditions.
Driving Characteristics
The 320d xDrive Steptronic offers a comfortable and refined driving experience. While not as overtly sporty as some of the higher-powered 3 Series variants, the 320d provides ample performance for everyday driving and long-distance cruising. The strong low-end torque makes overtaking effortless, and the 8-speed automatic transmission ensures the engine is always in the optimal power band. Compared to the 6-speed manual version of the 320d, the Steptronic offers smoother gear changes and reduced driver fatigue. However, some enthusiasts may prefer the more engaging feel of a manual transmission. Against the more powerful 330i or 335i models, the 320d naturally lacks the same level of outright acceleration, but it compensates with significantly better fuel economy.
Equipment & Trim Levels
The 320d xDrive Steptronic typically came well-equipped as standard. Common features included automatic climate control, a BMW iDrive infotainment system with a central display screen, power-adjustable front seats, and a leather-wrapped steering wheel. Upholstery was typically cloth or a combination of cloth and leatherette. Optional extras included leather upholstery, a premium sound system, navigation, parking sensors, and a sunroof. The LCI facelift brought updated iDrive software and additional driver assistance systems, such as lane departure warning and automatic emergency braking, which were often available as options.
Chassis & Braking
The F31 Touring features a sophisticated chassis design. The front suspension utilizes independent coil springs and struts, while the rear suspension employs a multi-link setup. This configuration provides a good balance of ride comfort and handling precision. The xDrive models typically featured slightly stiffer suspension components compared to rear-wheel-drive variants to accommodate the added weight and complexity of the all-wheel-drive system. Braking duties are handled by ventilated disc brakes on all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) and electronic stability control are standard features.
Market Reception & Comparison
The 320d xDrive Steptronic was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and practical wagon body style. Critics noted that while it wasn’t the most exciting 3 Series variant, it offered a compelling combination of attributes for buyers prioritizing practicality and economy. Compared to other trims, the 320d offered a significant fuel economy advantage over the gasoline-powered models, while providing comparable performance to the lower-powered gasoline engines. Its reliability was generally considered good, although diesel engines can be more susceptible to issues with the diesel particulate filter (DPF) if not driven on longer journeys regularly.
Legacy
The BMW 3 Series Touring (F31 LCI) 320d xDrive Steptronic remains a popular choice in the used car market. The B47 engine has proven to be relatively reliable, although regular maintenance is crucial. The 8-speed Steptronic transmission is also known for its durability. These vehicles offer a good value proposition for buyers seeking a premium wagon with a good balance of performance, fuel economy, and practicality. The xDrive all-wheel-drive system adds an extra layer of confidence in challenging weather conditions, making it a desirable option for those living in regions with inclement weather.
