The BMW 3 Series Touring (F31 LCI), specifically the 330i xDrive Steptronic variant, represents a compelling blend of performance, practicality, and luxury within the premium compact estate (wagon) segment. Produced from 2015 to 2019 as part of the F31 Life Cycle Impulse (LCI) facelift, this model aimed to refine the already successful F31 generation. It occupied a mid-to-upper position in the 3 Series Touring lineup, offering a significant step up in power and technology compared to the base 320i models, while remaining more accessible than the performance-focused M340i. The “xDrive” designation indicates BMW’s all-wheel-drive system, and “Steptronic” refers to the eight-speed automatic transmission.
Technical Specifications
| Brand | BMW |
| Model | 3 Series |
| Generation | 3 Series Touring (F31 LCI, Facelift 2015) |
| Type | 330i (252 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) | 8.3-7.8 l/100 km (28.3 – 30.2 US mpg, 34 – 36.2 UK mpg, 12 – 12.8 km/l) |
| Fuel consumption (extra urban) | 5.5-5.2 l/100 km (42.8 – 45.2 US mpg, 51.4 – 54.3 UK mpg, 18.2 – 19.2 km/l) |
| Fuel consumption (combined) | 6.5-6.2 l/100 km (36.2 – 37.9 US mpg, 43.5 – 45.6 UK mpg, 15.4 – 16.1 km/l) |
| CO2 emissions | 152-144 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 6 sec |
| Acceleration 0 – 62 mph | 6 sec |
| Acceleration 0 – 60 mph | 5.7 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 6.5 kg/Hp, 154.6 Hp/tonne |
| Weight-to-torque ratio | 4.7 kg/Nm, 214.7 Nm/tonne |
| Power | 252 Hp @ 5200-6500 rpm |
| Power per litre | 126.1 Hp/l |
| Torque | 350 Nm @ 1450-4800 rpm (258.15 lb.-ft. @ 1450-4800 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | B48B20B |
| Engine displacement | 1998 cm3 (121.93 cu. in.) |
| Number of cylinders | 4 |
| Cylinder Bore | 82 mm (3.23 in.) |
| Piston Stroke | 94.6 mm (3.72 in.) |
| Compression ratio | 10.2:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-power turbo, Intercooler |
| Engine oil capacity | 5 l (5.28 US qt | 4.4 UK qt) |
| Coolant | 7.8 l (8.24 US qt | 6.86 UK qt) |
| Kerb Weight | 1630 kg (3593.53 lbs.) |
| Max. weight | 2180 kg (4806.08 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 | 60 l (15.85 US gal | 13.2 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 | 1531 mm (60.28 in.) |
| Rear track | 1570 mm (61.81 in.) |
| Ride height (ground clearance) | 145 mm (5.71 in.) |
| Drag coefficient (Cd) | 0.32 |
| Minimum turning circle | 11.7 m (38.39 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears | 8 |
| Gearbox type | 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 | 225/50 R17 98W |
| Wheel rims size | 7.5J x 17 |
Powertrain & Engine Architecture
The heart of the 330i xDrive Steptronic is BMW’s B48B20B 2.0-liter turbocharged four-cylinder engine. This engine is a member of BMW’s modular engine family, known for its efficiency and performance. It utilizes direct fuel injection, a twin-scroll turbocharger, and variable valve timing (VANOS) and valve lift (Valvetronic) technologies to optimize combustion and power delivery. The B48 engine produces 252 horsepower at 5200-6500 rpm and 350 Nm (258 lb-ft) of torque between 1450 and 4800 rpm. This broad torque curve contributes to strong acceleration in everyday driving situations. The engine is longitudinally mounted, driving all four wheels through BMW’s xDrive all-wheel-drive system.
The “Steptronic” transmission is an eight-speed automatic gearbox. This transmission is known for its smooth and quick shifts, contributing to both performance and fuel efficiency. It features adaptive shift programs that adjust to the driver’s style and road conditions. Manual gear selection is also available via steering wheel-mounted paddles or the gear selector lever.
Driving Characteristics
The 330i xDrive Steptronic offers a balanced driving experience. The 252 hp engine provides brisk acceleration, with a 0-60 mph time of around 5.7 seconds. The xDrive all-wheel-drive system enhances traction, particularly in inclement weather, providing confident handling. Compared to the 320i models, the 330i offers a noticeable increase in power and responsiveness. While not as overtly sporty as the M340i, the 330i provides ample power for spirited driving. The eight-speed automatic transmission contributes to a relaxed cruising experience, while also allowing for quick downshifts when needed. The gear ratios are well-chosen to maximize both acceleration and fuel economy.
Equipment & Trim Levels
The 330i xDrive Steptronic typically came well-equipped as standard. Common features included leather upholstery, power-adjustable front seats, a premium sound system, automatic climate control, and BMW’s iDrive infotainment system with a central display screen. Optional extras included features like a head-up display, navigation system, adaptive cruise control, and a panoramic sunroof. Trim levels could vary slightly depending on the market, but generally offered packages that bundled together popular 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 an independent multi-link setup. This configuration provides a comfortable ride while maintaining good handling characteristics. The 330i xDrive Steptronic is equipped with ventilated disc brakes on all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) and electronic stability control are standard safety features.
Market Reception & Comparison
The 330i xDrive Steptronic was generally well-received by automotive critics. It was praised for its strong engine, comfortable ride, and practical estate body style. Compared to the 320i, the 330i offered a significant performance upgrade, making it a more appealing option for drivers who prioritized power and responsiveness. Fuel economy was also considered competitive for its class. While the M340i offered even greater performance, the 330i provided a more balanced combination of performance, comfort, and affordability.
Legacy
The B48 engine has proven to be a reliable and durable powerplant, although some early examples experienced issues with oil leaks. The eight-speed Steptronic transmission is also generally considered reliable. Today, the F31 330i xDrive Steptronic represents a good value on the used car market, offering a blend of luxury, performance, and practicality. Its all-wheel-drive system and spacious interior make it a versatile choice for families and individuals alike. Regular maintenance, including oil changes and adherence to BMW’s recommended service intervals, is crucial for ensuring the long-term reliability of this vehicle.
