The BMW 3 Series Touring (F31) 320d, producing 184 horsepower, represents a significant iteration of BMW’s long-running and highly successful 3 Series line. Introduced in 2012 and continuing through 2015, the F31 generation marked the return of the 3 Series to a more driver-focused experience after the controversial E91 predecessor. This particular variant, the 320d Touring, occupied a crucial mid-range position within the F31 lineup, offering a blend of practicality, efficiency, and performance aimed at families and drivers seeking a premium wagon experience. It was positioned below the more powerful 328i and 335i models, and above the base 316d, appealing to a broader customer base prioritizing fuel economy and everyday usability.
Technical Specifications
| Brand | BMW |
| Model | 3 Series |
| Generation | 3 Series Touring (F31) |
| Type (Engine) | 320d (184 Hp) |
| Start of production | 2012 |
| End of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – urban | 5.9 l/100 km (39.9 US mpg, 47.9 UK mpg, 16.9 km/l) |
| Fuel consumption (economy) – extra urban | 4 l/100 km (58.8 US mpg, 70.6 UK mpg, 25 km/l) |
| Fuel consumption (economy) – combined | 4.7 l/100 km (50 US mpg, 60.1 UK mpg, 21.3 km/l) |
| CO2 emissions | 124 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 7.7 sec |
| Acceleration 0 – 62 mph | 7.7 sec |
| Acceleration 0 – 60 mph | 7.3 sec |
| Maximum speed | 230 km/h (142.92 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 8.1 kg/Hp, 123.5 Hp/tonne |
| Weight-to-torque ratio | 3.9 kg/Nm, 255 Nm/tonne |
| Power | 184 Hp @ 4000 rpm |
| Power per litre | 92.2 Hp/l |
| Torque | 380 Nm @ 1750-2750 rpm (280.27 lb.-ft. @ 1750-2750 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | N47D20C |
| 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 | 5.2 l (5.49 US qt | 4.58 UK qt) |
| Coolant | 7 l (7.4 US qt | 6.16 UK qt) |
| Kerb Weight | 1490 kg (3284.89 lbs.) |
| Max. weight | 2040 kg (4497.43 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%) | 1600 kg (3527.4 lbs.) |
| Permitted trailer load without brakes | 745 kg (1642.44 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4624 mm (182.05 in.) |
| Width | 1811 mm (71.3 in.) |
| Height | 1429 mm (56.26 in.) |
| Wheelbase | 2810 mm (110.63 in.) |
| Front track | 1543 mm (60.75 in.) |
| Rear (Back) track | 1583 mm (62.32 in.) |
| Ride height (ground clearance) | 140 mm (5.51 in.) |
| Drag coefficient (Cd) | 0.31 |
| 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 | 6 gears, manual transmission |
| 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 | 7J x 16 |
Powertrain & Engine Architecture
The heart of the F31 320d Touring is the BMW N47D20C engine, a 2.0-liter inline-four diesel. This engine is a cornerstone of BMW’s EfficientDynamics strategy, prioritizing fuel efficiency without sacrificing all performance. The N47 series is known for its second-generation common rail direct injection system, operating at pressures up to 1800 bar, and a variable geometry turbocharger. This combination allows for a broad torque curve and responsive power delivery. The 320d specifically produces 184 hp at 4000 rpm and a substantial 380 Nm (280 lb-ft) of torque between 1750 and 2750 rpm. The engine features 16 valves (four per cylinder) and a compression ratio of 16.5:1. The engine is longitudinally mounted, driving the rear wheels. The 6-speed manual transmission was standard, offering precise shifts and a direct connection to the engine. An 8-speed automatic transmission was also available as an option, further enhancing fuel economy and providing smoother gear changes.
Driving Characteristics
The 320d Touring with the manual transmission delivers a balanced driving experience. While not overtly sporty, it provides ample power for everyday driving and comfortable highway cruising. The 7.7-second 0-60 mph acceleration is respectable, and the strong low-end torque makes overtaking maneuvers easy. The manual gearbox is well-matched to the engine, with gear ratios designed to maximize fuel efficiency and provide adequate acceleration in each gear. Compared to the more powerful 328i or 335i models, the 320d feels less urgent, but it offers a more relaxed and economical driving experience. The automatic transmission, while smooth, can sometimes feel hesitant in quick downshifts. The rear-wheel-drive configuration contributes to the BMW’s characteristic handling balance, providing a feeling of agility and control.
Equipment & Trim Levels
The 320d Touring typically came equipped with a solid base level of features. Standard equipment included automatic climate control, a BMW Professional radio system, power windows and mirrors, and alloy wheels. Interior upholstery was typically cloth, with leather options available. Higher trim levels, such as Sport Line, Luxury Line, and Modern Line, added features like sport seats, upgraded interior trim, and unique exterior styling elements. Optional extras included navigation systems, a panoramic sunroof, parking sensors, and a premium sound system. The Touring body style itself added a level of practicality with its large cargo area, offering 495 liters (17.48 cu ft) of space with the rear seats up and 1500 liters (52.97 cu ft) with them folded down.
Chassis & Braking
The F31 320d Touring utilizes a sophisticated chassis design. The front suspension features independent coil springs and struts, while the rear suspension employs an independent multi-link setup. This configuration provides a comfortable ride and precise handling. The braking system consists of ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock Braking System (ABS) is standard, along with Electronic Stability Control (ESC). The suspension tuning is geared towards comfort and stability, with a focus on minimizing body roll and providing a predictable driving experience. Stabilizer bars are fitted front and rear to further enhance handling.
Market Reception & Comparison
The F31 320d Touring was generally well-received by automotive critics. It was praised for its fuel efficiency, practicality, and comfortable ride. Critics noted that while it wasn’t the most exciting car to drive, it offered a compelling blend of attributes for buyers seeking a premium wagon. Compared to other trims in the 3 Series lineup, the 320d offered the best fuel economy, making it an attractive option for those who prioritize running costs. Its reliability was generally good, although some early N47 engines were prone to timing chain issues, which were addressed in later revisions.
Legacy
The F31 320d Touring remains a popular choice in the used car market. Its reputation for reliability, fuel efficiency, and practicality has ensured continued demand. While the N47 engine’s timing chain issue is a known concern, regular maintenance and preventative checks can mitigate the risk. The F31 generation represents a return to form for the 3 Series, offering a well-rounded and engaging driving experience. The 320d variant, in particular, continues to appeal to buyers seeking a premium wagon that balances performance, economy, and everyday usability.
