The BMW 440i xDrive Steptronic, produced from 2017 to 2020 as part of the F32 4 Series Coupe facelift, represents a compelling blend of performance and practicality within the BMW lineup. Positioned as a mid-to-high range offering, it catered to drivers seeking a more engaging experience than the 420i and 430i models, without the outright sporting focus of the M4. This variant combined a potent inline-six engine with BMW’s xDrive all-wheel-drive system and the Steptronic eight-speed automatic transmission, aiming for a refined and capable grand touring experience. The F32 generation, itself a successor to the E92, sought to recapture the spirit of the classic BMW coupes, emphasizing driver involvement and aesthetic appeal.
Technical Specifications
| Brand | BMW |
| Model | 4 Series |
| Generation | 4 Series Coupe (F32, facelift 2017) |
| Type (Engine) | 440i (326 Hp) xDrive Steptronic |
| Start of production | 2017 |
| End of production | 2020 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 9.3-9.7 l/100 km (25.3 – 24.2 US mpg) |
| Fuel consumption (extra urban) | 5.6-5.9 l/100 km (42 – 39.9 US mpg) |
| Fuel consumption (combined) | 7.0-7.3 l/100 km (33.6 – 32.2 US mpg) |
| CO2 emissions | 162-169 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.9 sec |
| Acceleration 0 – 62 mph | 4.9 sec |
| Acceleration 0 – 60 mph | 4.7 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 5 kg/Hp, 200.6 Hp/tonne |
| Weight-to-torque ratio | 3.6 kg/Nm, 276.9 Nm/tonne |
| 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 | 9.3 l (9.83 US qt | 8.18 UK qt) |
| Kerb Weight | 1625 kg (3582.51 lbs.) |
| Max. weight | 2145 kg (4728.92 lbs.) |
| Max load | 520 kg (1146.4 lbs.) |
| Trunk (boot) space – minimum | 445 l (15.72 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 | 4640 mm (182.68 in.) |
| Width | 1825 mm (71.85 in.) |
| Height | 1392 mm (54.8 in.) |
| Wheelbase | 2810 mm (110.63 in.) |
| Front track | 1543 mm (60.75 in.) |
| Rear (Back) track | 1589 mm (62.56 in.) |
| Ride height (ground clearance) | 145 mm (5.71 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 | 8 gears, 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; 225/45 R18; 255/40 R18; 225/40 R19; 255/35 R19 |
| Wheel rims size | 7.5J x 17; 8J x 18; 8.5J x 18; 8J x 19; 8.5J x 19 |
Powertrain & Engine Architecture
At the heart of the 440i xDrive lies the B58B30A 3.0-liter inline-six engine. This engine is a member of BMW’s modular engine family, known for its smooth power delivery and efficiency. The B58 utilizes direct fuel injection, a single twin-scroll turbocharger, and Double-VANOS variable valve timing for both intake and exhaust. This combination results in a broad torque curve peaking at 450 Nm (331.9 lb-ft) available from 1380 to 5000 rpm, and a maximum power output of 326 hp at 5500 rpm. The engine’s longitudinal mounting and front placement contribute to the car’s balanced handling characteristics. The Steptronic eight-speed automatic transmission is a torque-converter type, offering smooth and quick shifts. It features adaptive shift programs that adjust to the driver’s style and driving conditions. xDrive, BMW’s intelligent all-wheel-drive system, distributes power between the front and rear axles as needed, enhancing traction and stability, particularly in adverse weather conditions.
Driving Characteristics
The 440i xDrive Steptronic delivers a refined and engaging driving experience. The combination of the potent inline-six and the eight-speed automatic results in brisk acceleration – 0 to 60 mph in approximately 4.7 seconds. The xDrive system provides excellent grip, allowing for confident cornering and stable handling. While not as overtly sporty as the M4, the 440i offers ample power for both everyday driving and spirited excursions. The automatic transmission’s gear ratios are well-chosen, providing strong acceleration in all gears. Compared to the 420i and 430i, the 440i offers a significant performance upgrade, while the automatic transmission provides a more relaxed driving experience than the available six-speed manual.
Equipment & Trim Levels
The 440i xDrive typically came well-equipped as standard. Common features included leather upholstery, power-adjustable front seats with memory function, a premium sound system, automatic climate control, and BMW’s iDrive infotainment system with a central display screen. Optional extras included a head-up display, navigation system, adaptive cruise control, and various interior trim options. The interior design emphasized a driver-focused layout with high-quality materials and a modern aesthetic. Exterior styling cues included subtle badging denoting the 440i designation, along with available options like sport packages that added aerodynamic enhancements and larger wheels.
Chassis & Braking
The 440i xDrive utilizes an independent suspension setup, with coil springs and dampers at the front and a multi-link suspension at the rear. This configuration provides a good balance between ride comfort and handling precision. The car 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. The steering is a rack-and-pinion system with electric power assistance, offering precise and responsive steering feel.
Market Reception & Comparison
The 440i xDrive was generally well-received by automotive critics. It was praised for its powerful engine, refined driving experience, and luxurious interior. Compared to the 430i, the 440i offered a noticeable performance boost, justifying the higher price tag for those seeking more power. Fuel economy was respectable for a performance coupe, averaging around 33.6 mpg combined. Reliability reports have been generally positive, although some owners have reported minor issues with electronic components. The xDrive system was also lauded for its ability to provide all-weather capability without compromising handling.
Legacy
The B58 engine has proven to be a robust and reliable powerplant, and the 440i xDrive remains a desirable used car option. Its combination of performance, luxury, and all-wheel-drive capability makes it a versatile grand tourer. The F32 4 Series, and specifically the 440i variant, has established a reputation as a well-rounded and enjoyable driving machine, and continues to hold its value in the used car market. Maintenance costs are generally in line with other premium German automobiles, and parts availability is good. The 440i xDrive represents a sweet spot in the 4 Series lineup, offering a compelling blend of performance and practicality for discerning drivers.
