The BMW 3 Series Touring (E91) with the LCI (Life Cycle Impulse) facelift introduced in 2008, represented BMW’s offering in the premium compact executive station wagon segment. The 330d xDrive Steptronic variant, produced from 2008 to 2012, combined a potent diesel engine with all-wheel drive and a six-speed automatic transmission. This model occupied a mid-to-upper position within the E91 lineup, appealing to buyers seeking a balance of performance, practicality, and refinement. It was a key model for BMW in Europe, where the touring (wagon) body style enjoys significant popularity, and increasingly found favor in other markets as well.
Technical Specifications
| Brand | BMW |
| Model | 3 Series |
| Generation | 3 Series Touring (E91 LCI, facelift 2008) |
| Type (Engine) | 330d (245 Hp) xDrive Steptronic |
| Start of production | 2008 |
| End of production | 2012 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 8.9 l/100 km (26.4 US mpg, 31.7 UK mpg, 11.2 km/l) |
| Fuel consumption (extra urban) | 5.8 l/100 km (40.6 US mpg, 48.7 UK mpg, 17.2 km/l) |
| Fuel consumption (combined) | 6.9 l/100 km (34.1 US mpg, 40.9 UK mpg, 14.5 km/l) |
| CO2 emissions | 181 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 6.1 sec |
| Acceleration 0 – 62 mph | 6.1 sec |
| Acceleration 0 – 60 mph | 5.8 sec |
| Maximum speed | 245 km/h (152.24 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 7 kg/Hp, 142.9 Hp/tonne |
| Weight-to-torque ratio | 3.3 kg/Nm, 303.2 Nm/tonne |
| Power | 245 Hp @ 4000 rpm |
| Power per litre | 81.9 Hp/l |
| Torque | 520 Nm @ 1750-3000 rpm (383.53 lb.-ft. @ 1750-3000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | N57D30OL |
| Engine displacement | 2993 cm3 (182.64 cu. in.) |
| Number of cylinders | 6 |
| 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 | Turbocharger, Intercooler |
| Engine oil capacity | 7.5 l (7.93 US qt | 6.6 UK qt) |
| Coolant | 7.9 l (8.35 US qt | 6.95 UK qt) |
| Kerb Weight | 1715 kg (3780.93 lbs.) |
| Max. weight | 2255 kg (4971.42 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%) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 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 | 1500 mm (59.06 in.) |
| Rear (Back) track | 1529 mm (60.2 in.) |
| Ride height (ground clearance) | 140 mm (5.51 in.) |
| Drag coefficient (Cd) | 0.31 |
| 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 | 225/45 R17 91W |
| Wheel rims size | 8J x 17 |
INTRODUCTION
The E91 330d xDrive Steptronic, launched as part of the LCI refresh in 2008, built upon the foundation of the E90 3 Series sedan and E92 coupe, adapting it to the practical needs of station wagon buyers. The LCI brought revised styling, updated technology, and improved efficiency across the range. This particular variant aimed to deliver a compelling blend of performance and economy, leveraging BMW’s expertise in diesel engine technology and all-wheel drive systems. It was positioned as a premium offering, appealing to those who required the space and versatility of a wagon without sacrificing driving enjoyment.
Powertrain & Engine Architecture
At the heart of the 330d xDrive Steptronic lies the N57D30OL inline-six cylinder diesel engine. This engine, a cornerstone of BMW’s diesel lineup, displaced 3.0 liters (2993 cc) and featured common-rail direct injection, a variable geometry turbocharger, and intercooling. The N57 engine family was known for its robust construction and ability to deliver high torque outputs. The ‘OL’ suffix denotes a specific calibration for the US market and other regions with stricter emissions regulations. The engine produced 245 horsepower at 4000 rpm and a substantial 520 Nm (383.53 lb-ft) of torque between 1750 and 3000 rpm. This broad torque curve provided strong acceleration in real-world driving conditions. The engine also incorporated a diesel particulate filter (DPF) to reduce emissions, meeting Euro 5 standards. The six-speed Steptronic automatic transmission, a conventional torque-converter automatic, was specifically tuned to complement the engine’s characteristics, offering smooth shifts and responsive performance. Manual shift capability was available, but the automatic was the more popular choice for this variant.
Driving Characteristics
The 330d xDrive Steptronic offered a refined and capable driving experience. The xDrive all-wheel drive system provided excellent traction in all weather conditions, enhancing stability and confidence. While not as overtly sporty as the 335i or M3 variants, the 330d delivered ample performance for everyday driving and long-distance cruising. The automatic transmission, while smooth, could feel slightly less engaging than the available six-speed manual. However, it provided convenience and ease of use, particularly in urban environments. The engine’s strong low-end torque meant that the transmission rarely needed to downshift, resulting in relaxed and efficient cruising. The steering was precise and well-weighted, typical of BMW, and the suspension provided a comfortable ride without sacrificing handling agility. Compared to the higher-output 335d, the 330d offered a more balanced approach, prioritizing fuel economy and refinement over outright performance.
Equipment & Trim Levels
The 330d xDrive Steptronic came well-equipped as standard. Typical features included automatic climate control, power-adjustable front seats, a multi-function steering wheel, and a BMW Professional radio system. Upholstery was typically a high-quality cloth or leatherette, with full leather available as an option. Optional extras included navigation, premium sound systems, sunroof, and parking sensors. The LCI facelift also brought updated interior trim options and improved infotainment systems. The overall interior ambiance was one of understated luxury and build quality, reflecting BMW’s reputation for interior design.
Chassis & Braking
The E91 330d xDrive Steptronic utilized a MacPherson strut front suspension and a multi-link rear suspension, providing a good balance of ride comfort and handling precision. The xDrive all-wheel drive system employed a variable torque split, automatically distributing power between the front and rear axles based on driving conditions. Braking duties were handled by ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) and electronic stability control (ESC) were standard features, enhancing safety and control. The suspension was tuned to accommodate the increased weight of the all-wheel drive system and the diesel engine, providing a stable and predictable ride.
Market Reception & Comparison
The E91 330d xDrive Steptronic was generally well-received by automotive critics. It was praised for its refined engine, comfortable ride, and practical wagon body style. Fuel economy was a strong point, with combined figures around 34.1 US mpg. Compared to the 320d, the 330d offered significantly more performance, while the 335d provided even greater power but at a higher price point and with slightly lower fuel economy. Reliability was generally good, although diesel particulate filters could require occasional maintenance. The xDrive system added to the vehicle’s appeal in regions with inclement weather.
Legacy
The N57 engine family, including the N57D30OL found in the 330d, proved to be remarkably durable and reliable. Well-maintained examples continue to be sought after in the used car market. The E91 330d xDrive Steptronic represents a sweet spot in the lineup, offering a compelling combination of performance, economy, and practicality. While modern BMWs have moved towards more complex engine technologies, the simplicity and robustness of the N57 engine continue to appeal to enthusiasts and those seeking a reliable and capable touring car.
