The BMW 3 Series Touring (E91) with the Life Cycle Impulse (LCI) facelift introduced in 2008, represented BMW’s continued commitment to the practical sports wagon segment. The 320d xDrive Steptronic variant, powered by a 2.0-liter turbocharged diesel engine producing 177 horsepower, was a popular choice in European markets, offering a blend of efficiency, practicality, and all-weather capability. Production of this specific configuration ran from 2008 to 2010, fitting within the broader E91 lifecycle which spanned from 2005 to 2012. This model occupied a mid-range position within the 3 Series Touring lineup, appealing to buyers seeking a balance between performance and fuel economy, without the higher price tag of the more powerful 335d or the sport-focused 335i.
Technical Specifications
| Brand | BMW |
| Model | 3 Series |
| Generation | 3 Series Touring (E91 LCI, facelift 2008) |
| Type (Engine) | 320d (177 Hp) xDrive Steptronic |
| Start of production | 2008 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 8 l/100 km (29.4 US mpg, 35.3 UK mpg, 12.5 km/l) |
| Fuel consumption (extra urban) | 4.9 l/100 km (48 US mpg, 57.6 UK mpg, 20.4 km/l) |
| Fuel consumption (combined) | 6 l/100 km (39.2 US mpg, 47.1 UK mpg, 16.7 km/l) |
| CO2 emissions | 159 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 8.7 sec |
| Acceleration 0 – 62 mph | 8.7 sec |
| Acceleration 0 – 60 mph | 8.3 sec |
| Maximum speed | 220 km/h (136.7 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 9.1 kg/Hp, 110.3 Hp/tonne |
| Weight-to-torque ratio | 4.6 kg/Nm, 218.1 Nm/tonne |
| Power | 177 Hp @ 4000 rpm |
| Torque | 350 Nm @ 1750-3000 rpm (258.15 lb.-ft. @ 1750-3000 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 | 16:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 5.2 l (5.49 US qt | 4.58 UK qt) |
| Coolant | 7.9 l (8.35 US qt | 6.95 UK qt) |
| Kerb Weight | 1605 kg (3538.42 lbs.) |
| Max. weight | 2145 kg (4728.92 lbs.) |
| Max load | 540 kg (1190.5 lbs.) |
| Trunk (boot) space – minimum | 460 l (16.24 cu. ft.) |
| Trunk (boot) space – maximum | 1385 l (48.91 cu. ft.) |
| Fuel tank capacity | 61 l (16.11 US gal | 13.42 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 | 4527 mm (178.23 in.) |
| Width | 1817 mm (71.54 in.) |
| Width with mirrors folded | 1989 mm (78.31 in.) |
| Height | 1418 mm (55.83 in.) |
| Wheelbase | 2760 mm (108.66 in.) |
| Front track | 1506 mm (59.29 in.) |
| Rear (Back) track | 1535 mm (60.43 in.) |
| Ride height (ground clearance) | 140 mm (5.51 in.) |
| Drag coefficient (Cd) | 0.30 |
| Minimum turning circle (turning diameter) | 11.8 m (38.71 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 6 gears, automatic 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 | 205/55 R16 91V |
| Wheel rims size | 7J x 16 |
Powertrain & Engine Architecture
The heart of the 320d xDrive Steptronic is the N47D20C, a 2.0-liter inline-four diesel engine. This engine was a cornerstone of BMW’s EfficientDynamics strategy, focusing on maximizing fuel economy and reducing emissions. The N47 featured second-generation common rail direct injection, operating at pressures up to 1,800 bar, for precise fuel delivery and optimized combustion. A variable geometry turbocharger (VGT) with intercooling further enhanced performance and responsiveness. The engine also incorporated four valves per cylinder and a timing chain for durability. The six-speed Steptronic automatic transmission, while not known for its sportiness, was designed for smooth and efficient gear changes. It featured adaptive shift programs that adjusted to driving style and conditions.
Driving Characteristics
The 320d xDrive Steptronic offered a comfortable and refined driving experience. While not a performance powerhouse, the 177 horsepower and 350 Nm (258 lb-ft) of torque provided adequate acceleration for everyday driving. The xDrive all-wheel-drive system ensured confident handling in various weather conditions. The automatic transmission, while smooth, could feel somewhat hesitant during quick overtaking maneuvers compared to the more responsive manual transmission options. The gear ratios were tuned for fuel efficiency rather than outright performance. The engine delivered its peak torque from 1750-3000 rpm, providing good low-end grunt for effortless cruising.
Equipment & Trim Levels
The 320d xDrive Steptronic typically came standard with features such as automatic climate control, power windows, power mirrors, a multi-function steering wheel, and a basic audio system. Upholstery was usually cloth, with leather options available as an upgrade. Common optional extras included a sunroof, navigation system, upgraded audio, parking sensors, and heated seats. The LCI facelift brought subtle interior revisions, including updated trim materials and improved infotainment options.
Chassis & Braking
The E91 Touring featured a MacPherson strut front suspension and a multi-link rear suspension, providing a good balance between comfort and handling. The xDrive models typically had slightly stiffer spring rates to compensate for the added weight of the all-wheel-drive system. Braking systems consisted of ventilated discs on all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) was standard, along with electronic brake-force distribution and brake assist.
Market Reception & Comparison
The 320d xDrive Steptronic was well-received by European automotive publications as a practical and efficient wagon. Critics praised its fuel economy, comfortable ride, and all-weather capability. However, some noted that the automatic transmission lacked the engagement of the manual gearbox, and the engine, while adequate, wasn’t as exciting as the higher-output 335d. Compared to the 320d with a manual transmission, the Steptronic version offered slightly lower fuel economy and marginally slower acceleration. The 335d, with its inline-six engine, provided significantly more power and a more refined driving experience, but at a higher price point.
Legacy
The N47 engine, while generally reliable, became known for potential timing chain issues in later years. Regular oil changes and preventative maintenance are crucial for long-term durability. The 320d xDrive Steptronic remains a popular choice in the used car market, particularly for buyers seeking a practical and fuel-efficient wagon. Its combination of space, comfort, and all-wheel-drive capability continues to appeal to families and drivers who prioritize versatility and reliability. Well-maintained examples can still provide years of dependable service, making it a solid option in the premium compact wagon segment.
