The BMW 4 Series Coupe (G22 LCI), specifically the 430i xDrive Steptronic variant, represents the facelifted iteration of the G22 generation, launched in March 2024. This model occupies a mid-range position within the 4 Series Coupe lineup, offering a balance between performance and efficiency. It builds upon the foundation of the G22 platform, shared with the 3 Series sedan, but distinguishes itself with a more sporting character and coupe-specific styling. The “LCI” (Life Cycle Impulse) designation signifies a comprehensive refresh, including updated exterior aesthetics, interior enhancements, and revised technology features. The xDrive system denotes BMW’s all-wheel drive configuration, and the Steptronic transmission refers to the eight-speed automatic gearbox.
Technical Specifications
| Brand | BMW |
| Model | 4 Series |
| Generation | 4 Series Coupe (G22 LCI, facelift 2024) |
| Type (Engine) | 430i (245 Hp) xDrive Steptronic |
| Start of production | March, 2024 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Combined fuel consumption (WLTP) | 6.9-7.7 l/100 km (34.1 – 30.5 US mpg, 40.9 – 36.7 UK mpg, 14.5 – 13 km/l) |
| CO2 emissions (WLTP) | 157-174 g/km |
| Fuel Type | Petrol (Gasoline) |
| 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), Electronically limited |
| Emission standard | Euro 6e |
| Weight-to-power ratio | 6.6 kg/Hp, 152.6 Hp/tonne |
| Weight-to-torque ratio | 4 kg/Nm, 249.2 Nm/tonne |
| Power | 245 Hp @ 4500-6500 rpm |
| Power per litre | 122.6 Hp/l |
| Torque | 400 Nm @ 1600-4000 rpm (295.02 lb.-ft. @ 1600-4000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | B48 |
| Engine displacement | 1998 cm3 (121.93 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| 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 |
| Valvetrain | Double-VANOS, VALVETRONIC |
| Engine oil capacity | 5.75 l (6.08 US qt | 5.06 UK qt) |
| Kerb Weight | 1605 kg (3538.42 lbs.) |
| Max. weight | 2095 kg (4618.68 lbs.) |
| Max load | 490 kg (1080.27 lbs.) |
| Trunk (boot) space – minimum | 440 l (15.54 cu. ft.) |
| Fuel tank capacity | 59 l (15.59 US gal | 12.98 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 | 4768 mm (187.72 in.) |
| Width | 1852 mm (72.91 in.) |
| Width including mirrors | 2081 mm (81.93 in.) |
| Height | 1390 mm (54.72 in.) |
| Wheelbase | 2851 mm (112.24 in.) |
| Front track | 1573 mm (61.93 in.) |
| Rear (Back) track | 1612 mm (63.46 in.) |
| Front overhang | 858 mm (33.78 in.) |
| Rear overhang | 1059 mm (41.69 in.) |
| Ride height (ground clearance) | 126 mm (4.96 in.) |
| Drag coefficient (Cd) | 0.26 |
| Minimum turning circle (turning diameter) | 12 m (39.37 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives permanently the four wheels of the vehicle. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 8 gears, automatic transmission Steptronic |
| Front suspension | Spring Strut, Transverse stabilizer |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| 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 |
| Wheel rims size | 7.5J x 17 |
Powertrain & Engine Architecture
The 430i xDrive Steptronic is powered by the BMW B48 2.0-liter inline-four cylinder engine. This engine utilizes direct fuel injection and is equipped with a twin-scroll turbocharger, along with BMW’s Double-VANOS and VALVETRONIC technologies for optimized valve timing and lift. These systems contribute to improved efficiency and responsiveness. The B48 engine is known for its smooth power delivery and relatively refined operation. The eight-speed Steptronic 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. The xDrive all-wheel drive system employs a multi-plate clutch to distribute torque between the front and rear axles, enhancing traction and stability, particularly in adverse weather conditions.
Driving Characteristics
The 430i xDrive Steptronic delivers a balanced driving experience. While not as overtly sporty as the M440i, it provides ample power for everyday driving and spirited excursions. The 245 horsepower and 295 lb-ft of torque are readily available, with peak torque sustained over a broad engine speed range (1600-4000 rpm). The eight-speed automatic transmission is well-matched to the engine, providing seamless gear changes and contributing to good fuel economy. The xDrive system provides confident handling and stability, especially on slippery surfaces. Compared to a manual transmission equipped 430i, the automatic offers greater convenience and ease of use, but may slightly diminish driver engagement. The 0-60 mph time of around 5.4 seconds is respectable for a luxury coupe in this class.
Equipment & Trim Levels
The 430i xDrive Steptronic typically comes standard with a comprehensive suite of features, including BMW’s iDrive infotainment system with a touchscreen display, navigation, Apple CarPlay and Android Auto compatibility, a premium sound system, and a range of driver-assistance systems such as lane departure warning and forward collision warning. Interior upholstery is typically a high-quality synthetic leather or cloth, with optional upgrades to genuine leather available. Standard dashboard trim includes aluminum or wood accents. Optional extras include a head-up display, a panoramic sunroof, adaptive cruise control, and a parking assistant system.
Chassis & Braking
The 4 Series Coupe utilizes a sophisticated chassis design featuring a MacPherson strut front suspension and a multi-link rear suspension. Both ends incorporate stabilizer bars to reduce body roll during cornering. The 430i xDrive Steptronic is equipped with ventilated disc brakes on all four wheels, providing ample stopping power. The ABS (Anti-lock Braking System) and electronic stability control systems further enhance safety and control. The suspension is tuned to provide a comfortable ride while maintaining good handling characteristics.
Market Reception & Comparison
The 430i xDrive Steptronic has generally received positive reviews from automotive critics. It is praised for its refined engine, comfortable ride, and well-appointed interior. Fuel economy is considered competitive for its class, with combined fuel consumption ranging from 6.9 to 7.7 l/100 km. Compared to the higher-performance M440i, the 430i offers a more accessible price point and a greater focus on everyday usability. Compared to the 420i, the 430i provides a noticeable increase in power and performance. Reliability has been generally good, although some owners have reported minor issues with the infotainment system.
Legacy
The B48 engine has proven to be a reliable and durable powerplant, and the eight-speed Steptronic transmission is also known for its longevity. The G22 generation 4 Series Coupe, including the 430i xDrive Steptronic, is expected to hold its value reasonably well in the used car market. Its combination of style, performance, and technology makes it an attractive option for buyers seeking a premium coupe experience. As with any modern vehicle, regular maintenance and adherence to recommended service intervals are crucial for ensuring long-term reliability.
