Technical Specifications
| Brand | BMW |
| Model | 3 Series |
| Generation | 3 Series Touring (F31 LCI, Facelift 2015) |
| Type (Engine) | 320d (163 Hp) Steptronic Efficient Dynamics Edition |
| 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) | 5.3-4.8 l/100 km (44.4 – 49 US mpg, 53.3 – 58.9 UK mpg, 18.9 – 20.8 km/l) |
| Fuel consumption (extra urban) | 3.9-3.5 l/100 km (60.3 – 67.2 US mpg, 72.4 – 80.7 UK mpg, 25.6 – 28.6 km/l) |
| Fuel consumption (combined) | 4.4-4.0 l/100 km (53.5 – 58.8 US mpg, 64.2 – 70.6 UK mpg, 22.7 – 25 km/l) |
| CO2 emissions | 116-104 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 8.1 sec |
| Acceleration 0 – 62 mph | 8.1 sec |
| Acceleration 0 – 60 mph | 7.7 sec |
| Maximum speed | 222 km/h (137.94 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 9.3 kg/Hp, 107.9 Hp/tonne |
| Weight-to-torque ratio | 3.8 kg/Nm, 264.9 Nm/tonne |
| Power | 163 Hp @ 4000 rpm |
| Torque | 400 Nm @ 1750-2250 rpm (295.02 lb.-ft. @ 1750-2250 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 | 1510 kg (3328.98 lbs.) |
| Max. weight | 2060 kg (4541.52 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 | 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 | 745 kg (1642.44 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4633 mm (182.4 in.) |
| Width | 1811 mm (71.3 in.) |
| Height | 1416 mm (55.75 in.) |
| Wheelbase | 2810 mm (110.63 in.) |
| Front track | 1543 mm (60.75 in.) |
| Rear (Back) track | 1586 mm (62.44 in.) |
| Ride height (ground clearance) | 127 mm (5 in.) |
| Drag coefficient (Cd) | 0.28 |
| Minimum turning circle (turning diameter) | 11.3 m (37.07 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| 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 |
| Wheel rims size | 7.0J x 16 |
The BMW 3 Series Touring (F31 LCI), specifically the 320d variant with 163 horsepower and the Steptronic automatic transmission, represents a refined iteration of BMW’s popular compact executive estate. Produced from 2015 to 2019, this model is part of the F31 lifecycle facelift (LCI – Lebenszyklus Impuls), incorporating styling updates and technological enhancements to the already successful 3 Series Touring. Positioned as a mid-range offering within the 3 Series Touring lineup, the 320d Efficient Dynamics Edition aimed to strike a balance between performance, fuel efficiency, and practicality for the discerning driver. It was a key model in the European market, where the demand for premium wagons remains strong, offering a compelling alternative to the growing SUV segment.
Powertrain & Engine Architecture
The heart of the 320d Touring is the BMW B47D20, a 2.0-liter inline-four cylinder diesel engine. This engine is part of BMW’s modular engine family, renowned for its efficiency and refinement. The B47 utilizes a second-generation common rail direct injection system operating at pressures up to 2,000 bar, ensuring precise fuel delivery and optimized combustion. A single twin-scroll turbocharger with variable geometry turbine (VGT) technology provides a broad torque curve and responsive performance. The engine also features an intercooler to further enhance efficiency. The 8-speed Steptronic automatic transmission is a crucial component, offering smooth and quick gear changes. This transmission is known for its adaptability, providing both comfort-oriented and sport-focused shifting characteristics. The Efficient Dynamics Edition included specific calibration for the transmission to maximize fuel economy.
Driving Characteristics
The 163 hp and 400 Nm (295 lb-ft) of torque delivered by the 320d Steptronic provide a comfortable and capable driving experience. While not as overtly sporty as higher-powered 3 Series variants, the 320d offers ample power for everyday driving and long-distance cruising. Acceleration from 0-60 mph takes approximately 7.7 seconds. The Steptronic transmission’s eight gears keep the engine operating within its optimal efficiency range, contributing to excellent fuel economy. Compared to the manual transmission version, the Steptronic offers greater convenience, particularly in urban environments. However, some drivers may find the manual version more engaging. Compared to the 328i or 335i models, the 320d prioritizes fuel efficiency and torque over outright horsepower, making it a more practical choice for those prioritizing economy.
Equipment & Trim Levels
The 320d Efficient Dynamics Edition came standard with a comprehensive list of features. Interior appointments typically included cloth upholstery, though leather options were available. Standard equipment included BMW’s iDrive infotainment system with a 6.5-inch display (later upgraded in some models), automatic climate control, and a suite of safety features like ABS, stability control, and multiple airbags. The Efficient Dynamics Edition specifically added features aimed at reducing weight and improving aerodynamics, such as optimized underbody panels and low-rolling-resistance tires. Optional extras included navigation, upgraded audio systems, parking sensors, and a sunroof.
Chassis & Braking
The F31 Touring utilizes a sophisticated chassis design. The front suspension features independent coil springs and struts, while the rear employs a multi-link independent suspension. This setup provides a good balance between ride comfort and handling precision. The 320d typically came equipped with ventilated disc brakes on all four wheels, providing ample stopping power. The Efficient Dynamics Edition often featured slightly modified suspension tuning to further enhance fuel efficiency and ride comfort. Stabilizer bars were fitted front and rear to reduce body roll during cornering.
Market Reception & Comparison
The 320d Touring was well-received by automotive critics, who praised its fuel efficiency, comfortable ride, and spacious interior. It was often seen as a practical and sensible choice for families and individuals who needed a versatile vehicle. Compared to other trims in the 3 Series lineup, the 320d offered a compelling value proposition, providing a good balance of performance and economy. Its fuel economy figures were particularly impressive, making it a popular choice for those who frequently undertake long journeys. Reliability was generally good, although some owners reported issues with the diesel particulate filter (DPF) system, a common concern with modern diesel engines.
Legacy
The BMW 320d Touring (F31 LCI) remains a popular choice in the used car market. The B47 engine has proven to be relatively durable, although regular maintenance is essential. The Steptronic transmission is also generally reliable. The 320d’s combination of practicality, fuel efficiency, and BMW’s renowned driving dynamics ensures its continued appeal to buyers seeking a premium estate car. While newer models offer more advanced technology, the F31 LCI represents a well-rounded and capable vehicle that continues to provide a rewarding ownership experience.
