The BMW 3 Series Gran Turismo (F34) 330d Steptronic, produced from 2014 to 2016, represents a unique offering within the broader F34 Gran Turismo lineup. Positioned as a premium, long-distance touring vehicle, it blended the practicality of a hatchback with the driving dynamics expected of a BMW 3 Series. This variant, powered by the potent N57D30A diesel engine and paired with an 8-speed Steptronic automatic transmission, aimed to deliver a refined and efficient grand touring experience. It occupied a mid-to-high range position within the F34 series, offering a significant performance upgrade over the lower-powered 320d models while remaining more economically focused than the range-topping 335d.
Technical Specifications
| Brand | BMW |
| Model | 3 Series |
| Generation | 3 Series Gran Turismo (F34) |
| Type (Engine) | 330d (258 Hp) Steptronic |
| Start of production | 2014 |
| End of production | 2016 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Grand Tourer |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 6.1 l/100 km (38.6 US mpg, 46.3 UK mpg, 16.4 km/l) |
| Fuel consumption (extra urban) | 4.6 l/100 km (51.1 US mpg, 61.4 UK mpg, 21.7 km/l) |
| Fuel consumption (combined) | 5.1-5.2 l/100 km (46.1 – 45.2 US mpg, 55.4 – 54.3 UK mpg, 19.6 – 19.2 km/l) |
| CO2 emissions | 135-136 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 5.7 sec |
| Acceleration 0 – 62 mph | 5.7 sec |
| Acceleration 0 – 60 mph | 5.4 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 6.4 kg/Hp, 155.4 Hp/tonne |
| Weight-to-torque ratio | 3 kg/Nm, 337.3 Nm/tonne |
| Power | 258 Hp @ 4000 rpm |
| Torque | 560 Nm @ 2000-2750 rpm (413.03 lb.-ft. @ 2000-2750 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | N57D30A |
| 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 | Twin-power turbo, Intercooler |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Coolant | 7.2 l (7.61 US qt | 6.34 UK qt) |
| Kerb Weight | 1660 kg (3659.67 lbs.) |
| Max. weight | 2230 kg (4916.31 lbs.) |
| Max load | 570 kg (1256.63 lbs.) |
| Trunk (boot) space – minimum | 520 l (18.36 cu. ft.) |
| Trunk (boot) space – maximum | 1600 l (56.5 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 | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4824 mm (189.92 in.) |
| Width | 1828 mm (71.97 in.) |
| Height | 1508 mm (59.37 in.) |
| Wheelbase | 2920 mm (114.96 in.) |
| Front track | 1541 mm (60.67 in.) |
| Rear (Back) track | 1586 mm (62.44 in.) |
| Ride height (ground clearance) | 165 mm (6.5 in.) |
| Drag coefficient (Cd) | 0.28 |
| Minimum turning circle (turning diameter) | 11.8 m (38.71 ft.) |
| Drivetrain Architecture | 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 |
INTRODUCTION
The BMW 3 Series Gran Turismo (F34) 330d Steptronic, launched in 2014, was a five-door, five-seat grand tourer based on the F30 3 Series platform, extended to provide increased rear passenger space and cargo capacity. The F34 aimed to bridge the gap between the traditional 3 Series sedan/wagon and larger models like the 5 Series. The 330d variant, utilizing BMW’s renowned diesel technology, was a key component of the lineup, offering a compelling blend of performance, efficiency, and long-distance comfort. It was produced until 2016, representing a relatively short production run within the F34 lifecycle.
Powertrain & Engine Architecture
At the heart of the 330d Steptronic lies the N57D30A 3.0-liter inline-six diesel engine. This engine is a hallmark of BMW’s diesel engineering, known for its smooth operation and robust power delivery. The N57 family of engines utilizes a common-rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. The 330d specifically benefits from a twin-turbocharger setup – a smaller turbo for quick response at low engine speeds and a larger turbo for sustained power at higher RPMs. An intercooler further enhances performance by cooling the compressed intake air. The engine boasts 4 valves per cylinder and a relatively high compression ratio of 16.5:1, contributing to its efficiency. Paired with this engine is the ZF 8HP80 8-speed automatic transmission, marketed by BMW as “Steptronic.” This transmission is renowned for its smooth and quick shifts, contributing significantly to both performance and fuel economy. It features adaptive shift programs that adjust to the driver’s style and driving conditions.
Driving Characteristics
The 330d Steptronic delivers a refined and capable driving experience. The 560 Nm (413 lb-ft) of torque available from 2000-2750 rpm provides strong acceleration in virtually any gear, making overtaking effortless. While not as overtly sporty as the 335i models, the 330d offers ample power for spirited driving. The 8-speed Steptronic transmission is a key contributor to the driving experience, providing seamless gear changes and allowing the engine to remain in its optimal power band. Compared to the 320d, the 330d offers a substantial performance upgrade, with a noticeable reduction in 0-60 mph times (around 5.4 seconds versus 7.5 seconds). Compared to the 335i, the 330d prioritizes torque and fuel efficiency over outright horsepower, making it a more relaxed and economical choice for long journeys. The rear-wheel-drive configuration provides a balanced feel, although it can be challenged by slippery road conditions.
Equipment & Trim Levels
The 330d Steptronic typically came well-equipped, reflecting its position as a mid-to-high-range model. Standard features included leather upholstery, automatic climate control, a BMW iDrive infotainment system with a central display screen, and a comprehensive suite of safety features like ABS, stability control, and multiple airbags. Optional extras were plentiful, including a premium sound system, navigation system, heated seats, a panoramic sunroof, and adaptive cruise control. Interior trim options varied, allowing buyers to personalize the cabin with different wood or aluminum accents. The Gran Turismo’s defining feature – its spacious interior and large tailgate – was standard across all trims.
Chassis & Braking
The F34 330d utilizes a sophisticated chassis design. The front suspension features independent coil springs and struts, while the rear employs an independent multi-link setup. This configuration provides a comfortable ride while maintaining good handling characteristics. The 330d was equipped with ventilated disc brakes on all four wheels, providing ample stopping power. The braking system is augmented by ABS (Anti-lock Braking System) and electronic stability control. Stabilizer bars are fitted front and rear to reduce body roll during cornering. The suspension tuning was generally geared towards comfort, prioritizing a smooth ride over aggressive handling, although it remained capable and predictable.
Market Reception & Comparison
The 330d Steptronic was generally well-received by automotive critics. It was praised for its refined engine, smooth transmission, spacious interior, and comfortable ride. Critics noted the excellent fuel economy for a vehicle of its size and performance. Compared to its siblings, the 330d offered a compelling balance between performance and efficiency. The 320d was seen as underpowered for long-distance touring, while the 335i was considered more expensive and less fuel-efficient. The 330d’s diesel engine, while offering strong torque, was sometimes criticized for its slightly audible operation compared to the smoother gasoline engines.
Legacy
The N57D30A engine, found in the 330d, has proven to be a remarkably durable and reliable powerplant. With proper maintenance, these engines can easily exceed 200,000 miles. The 8-speed Steptronic transmission is also known for its longevity. On the used car market, the F34 330d Steptronic represents a good value proposition, offering a comfortable and well-equipped grand tourer at a reasonable price. However, potential buyers should be aware of the potential for diesel particulate filter (DPF) issues, particularly on vehicles that have primarily been used for short trips. Overall, the F34 330d remains a desirable option for those seeking a refined and efficient long-distance cruiser.
