The BMW 4 Series Coupe (F32), particularly the facelifted version produced from 2017 to 2020, represented BMW’s continued commitment to the premium compact executive coupe market. The 440i xDrive variant, powered by the B58B30A inline-six engine, occupied a sweet spot in the lineup, offering a significant performance upgrade over the 420i and 430i models while remaining more accessible than the higher-performance M4. This model aimed to deliver a blend of luxury, driving dynamics, and modern technology to buyers seeking a sporty and refined coupe experience. The F32 generation, built on the F30 3 Series platform, sought to establish a more distinct identity for the 4 Series as a driver-focused alternative to the more practical 3 Series sedan.
Technical Specifications
| Brand | BMW |
| Model | 4 Series |
| Generation | 4 Series Coupe (F32, facelift 2017) |
| Type (Engine) | 440i (326 Hp) xDrive |
| Start of production | 2017 |
| End of production | 2020 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 10.4-10.7 l/100 km (22.6 – 22 US mpg, 27.2 – 26.4 UK mpg, 9.6 – 9.3 km/l) |
| Fuel consumption (extra urban) | 6.1-6.3 l/100 km (38.6 – 37.3 US mpg, 46.3 – 44.8 UK mpg, 16.4 – 15.9 km/l) |
| Fuel consumption (combined) | 7.7-7.9 l/100 km (30.5 – 29.8 US mpg, 36.7 – 35.8 UK mpg, 13 – 12.7 km/l) |
| CO2 emissions | 179-185 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 | 4.9 kg/Hp, 202.5 Hp/tonne |
| Weight-to-torque ratio | 3.6 kg/Nm, 279.5 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 | 1610 kg (3549.44 lbs.) |
| Max. weight | 2130 kg (4695.85 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 | 6 gears, manual 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 | 225/50 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
The heart of the 440i xDrive is BMW’s 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 features a single, twin-scroll turbocharger, direct fuel injection, and Double-VANOS variable valve timing for both intake and exhaust camshafts. This combination allows for a broad torque curve, peaking at 450 Nm (331.9 lb-ft) between 1380 and 5000 rpm, and a maximum power output of 326 hp at 5500 rpm. The engine’s longitudinal mounting and rear-wheel-drive bias (enhanced by the xDrive all-wheel-drive system) contribute to the car’s balanced handling characteristics. The xDrive system itself is a sophisticated, electronically controlled system that can vary the torque split between the front and rear axles for optimal traction and stability. The 6-speed manual transmission offered precise shifts and a direct connection to the engine, while the optional 8-speed automatic provided smooth and efficient gear changes.
Driving Characteristics
The 440i xDrive with the manual transmission delivered a genuinely engaging driving experience. The engine’s strong low-end torque made it responsive in everyday driving situations, while the high-revving nature of the inline-six encouraged spirited acceleration. The xDrive system provided excellent grip, particularly in adverse weather conditions, enhancing confidence during cornering. Compared to the 420i and 430i models, the 440i offered a noticeable performance advantage, with quicker acceleration and a more authoritative feel. While the 8-speed automatic transmission sacrificed some driver involvement, it offered seamless shifts and improved fuel economy. The suspension tuning, while firm enough to provide good body control, remained comfortable enough for daily use. The steering was precise and well-weighted, providing good feedback to the driver.
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, a sunroof, and various interior trim options. The xDrive models often included additional driver-assistance features as standard or optional equipment. Interior trim options ranged from basic cloth to luxurious leather with wood or aluminum accents. The overall interior design emphasized a driver-focused layout with a sporty and modern aesthetic.
Chassis & Braking
The 440i xDrive utilized a sophisticated chassis design featuring an independent suspension at all four corners. The front suspension employed coil springs and struts, while the rear suspension utilized a multi-link setup. This configuration provided a good balance between ride comfort and handling precision. The braking system consisted of ventilated discs at all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) and stability control were standard features. The xDrive all-wheel-drive system added to the car’s stability and traction, particularly during braking on slippery surfaces.
Market Reception & Comparison
The 440i xDrive was generally well-received by automotive critics. It was praised for its powerful engine, engaging driving dynamics, and luxurious interior. Reviewers noted that the B58 engine was a standout feature, offering a smooth and refined power delivery. Compared to the 420i and 430i models, the 440i was considered a significant upgrade in terms of performance and driving enjoyment. Fuel economy was respectable for a performance coupe, although not class-leading. Reliability reports have generally been positive, with the B58 engine proving to be a durable and dependable unit.
Legacy
The BMW 440i xDrive (F32) has established itself as a desirable used car option. The B58 engine’s reputation for reliability and performance has contributed to its continued popularity. These models offer a compelling combination of luxury, performance, and technology at a more accessible price point than newer BMW coupes. While maintenance costs can be higher than those of some competitors, the 440i xDrive remains a rewarding and enjoyable vehicle for enthusiasts seeking a sporty and refined driving experience. The F32 generation 4 Series, and particularly the 440i variant, helped solidify BMW’s position as a leader in the premium compact executive coupe segment.
