The BMW 3 Series Gran Turismo (F34) LCI, specifically the 340i xDrive Steptronic model produced from 2016 to 2020, represents a unique offering within the 3 Series lineup. Positioned as a more spacious and practical alternative to the standard 3 Series sedan and wagon, the Gran Turismo aimed to blend sporty handling with increased passenger and cargo volume. The “LCI” designation refers to a Life Cycle Impulse, BMW’s term for a significant facelift, bringing updated styling and technology to the F34 platform. This 340i variant, equipped with the potent B58 engine and all-wheel drive, served as the performance flagship of the Gran Turismo range, offering a compelling combination of power, luxury, and usability.
Technical Specifications
| Brand | BMW |
| Model | 3 Series |
| Generation | 3 Series Gran Turismo (F34 LCI, Facelift 2016) |
| Type (Engine) | 340i (326 Hp) xDrive Steptronic |
| Start of production | 2016 |
| End of production | 2020 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Grand Tourer |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 10.1-9.6 l/100 km (23.3 – 24.5 US mpg) |
| Fuel consumption (extra urban) | 6.3-6.0 l/100 km (37.3 – 39.2 US mpg) |
| Fuel consumption (combined) | 7.7-7.4 l/100 km (30.5 – 31.8 US mpg) |
| CO2 emissions | 175-168 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 5 sec |
| Acceleration 0 – 62 mph | 5 sec |
| Acceleration 0 – 60 mph | 4.8 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 5.3 kg/Hp |
| Weight-to-torque ratio | 3.8 kg/Nm |
| Power | 326 Hp @ 5500 rpm |
| Torque | 450 Nm @ 1380-5000 rpm (331.9 lb.-ft. @ 1380-5000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | B58B30A |
| Engine displacement | 2998 cm3 (182.95 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 82 mm (3.23 in.) |
| Piston Stroke | 94.6 mm (3.72 in.) |
| Compression ratio | 11:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-power turbo, Intercooler |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Coolant | 7.8 l (8.24 US qt | 6.86 UK qt) |
| Kerb Weight | 1725 kg (3802.97 lbs.) |
| Max. weight | 2295 kg (5059.61 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 | 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 | 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) | 0.29 |
| Minimum turning circle (turning diameter) | 12.3 m (40.35 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 8 gears, automatic transmission Steptronic |
| Front suspension | Double wishbone |
| 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 | 225/55 R17 97W |
| Wheel rims size | 8.0J x 17 |
Powertrain & Engine Architecture
At the heart of the 340i Gran Turismo lies the B58B30A 3.0-liter inline-six engine. This engine, a member of BMW’s modular engine family, is renowned for its smooth power delivery and efficiency. Utilizing direct injection and a twin-scroll turbocharger, the B58 produces 326 horsepower at 5500 rpm and 450 Nm (331.9 lb-ft) of torque between 1380 and 5000 rpm. The engine’s architecture features a relatively high 11:1 compression ratio and four valves per cylinder, contributing to its responsiveness. The xDrive all-wheel-drive system distributes power between the front and rear axles as needed, enhancing traction and stability. The Steptronic 8-speed automatic transmission is a crucial component, offering smooth and quick shifts. It features adaptive shift programs that adjust to the driver’s style and driving conditions.
Driving Characteristics
The 340i xDrive Gran Turismo delivers a refined and capable driving experience. The combination of the powerful B58 engine and the all-wheel-drive system results in brisk acceleration – 0 to 60 mph in approximately 4.8 seconds. While not as overtly sporty as the standard 3 Series sedan, the Gran Turismo offers a comfortable ride and confident handling. The automatic transmission is well-tuned, providing seamless gear changes and contributing to the car’s overall ease of driving. Compared to the 320i or 328i Gran Turismo models, the 340i offers a significant performance upgrade, with noticeably stronger acceleration and more readily available torque. The xDrive system provides enhanced grip, particularly in inclement weather, making it a more practical choice for drivers in regions with challenging road conditions.
Equipment & Trim Levels
The 340i Gran Turismo typically came well-equipped as standard. Features included leather upholstery, power-adjustable front seats with memory function, a premium sound system, and BMW’s iDrive infotainment system with a central display screen. Common options included a head-up display, navigation system, adaptive cruise control, and a panoramic sunroof. Interior trim options ranged from wood veneers to aluminum accents, allowing buyers to personalize the cabin. The Gran Turismo’s rear seats offered generous legroom and headroom, enhancing passenger comfort. The powered tailgate and folding rear seats further added to the vehicle’s practicality.
Chassis & Braking
The F34 Gran Turismo utilizes a double-wishbone front suspension and an independent multi-link rear suspension, providing a comfortable and controlled ride. The suspension tuning is geared towards balancing comfort and handling, rather than outright sportiness. The 340i models were typically equipped with larger brakes compared to the base models, featuring ventilated discs at all four corners. The ABS (Anti-lock Braking System) and stability control systems are standard, enhancing safety and driver confidence. Electric power steering provides precise and responsive steering feel.
Market Reception & Comparison
The 3 Series Gran Turismo, and particularly the 340i variant, received generally positive reviews from automotive critics. It was praised for its spacious interior, comfortable ride, and strong performance. However, some critics noted that the Gran Turismo’s styling was not as universally appealing as the standard 3 Series. Compared to the 328i Gran Turismo, the 340i offered a substantial power increase, justifying the higher price tag for performance enthusiasts. Fuel economy was respectable for a vehicle of its size and performance, averaging around 30-32 mpg in combined driving. Reliability reports have been generally positive, with the B58 engine proving to be a robust and dependable unit.
Legacy
The BMW 3 Series Gran Turismo (F34) represented an attempt to cater to a niche market segment – buyers seeking a more practical and spacious alternative to the traditional 3 Series. While production ended in 2020, the F34 340i xDrive Steptronic remains a desirable used car option. The B58 engine’s reputation for reliability and performance ensures continued demand. These models are often sought after by enthusiasts who appreciate the blend of luxury, performance, and practicality that the Gran Turismo offers. As with any used vehicle, proper maintenance records and a thorough inspection are crucial when considering a purchase.
