The BMW 4 Series Gran Coupe (F36) 430i represents a compelling blend of practicality and performance within the F36 generation, produced primarily for the 2016 model year. Positioned as a mid-range offering in the 4 Series Gran Coupe lineup, it aimed to deliver a more accessible entry point to the Gran Coupe experience while still providing a spirited driving experience. The F36 Gran Coupe, introduced as a four-door coupe, expanded the 4 Series family, offering a more versatile alternative to the traditional two-door coupe and convertible models. It shared its underpinnings with the 3 Series (F30) but distinguished itself with a sleeker roofline and a more premium interior ambiance.
Technical Specifications
| Brand | BMW |
| Model | 4 Series |
| Generation | 4 Series Gran Coupe (F36) |
| Type (Engine) | 430i (252 Hp) |
| Start of production | 2016 |
| End of production | 2016 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 7.9-8.4 l/100 km (29.8 – 28 US mpg, 35.8 – 33.6 UK mpg, 12.7 – 11.9 km/l) |
| Fuel consumption (extra urban) | 5.1-5.4 l/100 km (46.1 – 43.6 US mpg, 55.4 – 52.3 UK mpg, 19.6 – 18.5 km/l) |
| Fuel consumption (combined) | 6.1-6.5 l/100 km (38.6 – 36.2 US mpg, 46.3 – 43.5 UK mpg, 16.4 – 15.4 km/l) |
| CO2 emissions | 143-151 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 5.9 sec |
| Acceleration 0 – 62 mph | 5.9 sec |
| Acceleration 0 – 60 mph | 5.6 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 6 kg/Hp, 165.8 Hp/tonne |
| Weight-to-torque ratio | 4.3 kg/Nm, 230.3 Nm/tonne |
| Power | 252 Hp @ 5200 rpm |
| Power per litre | 126.1 Hp/l |
| Torque | 350 Nm @ 1450-4800 rpm (258.15 lb.-ft. @ 1450-4800 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | B48B20B |
| 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 |
| Engine oil capacity | 5.25 l (5.55 US qt | 4.62 UK qt) |
| Coolant | 8.1 l (8.56 US qt | 7.13 UK qt) |
| Kerb Weight | 1520 kg (3351.03 lbs.) |
| Max. weight | 2080 kg (4585.62 lbs.) |
| Max load | 560 kg (1234.59 lbs.) |
| Trunk (boot) space – minimum | 480 l (16.95 cu. ft.) |
| Trunk (boot) space – maximum | 1300 l (45.91 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%) | 1600 kg (3527.4 lbs.) |
| Permitted trailer load without brakes | 745 kg (1642.44 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4638 mm (182.6 in.) |
| Width | 1825 mm (71.85 in.) |
| Height | 1389 mm (54.69 in.) |
| Wheelbase | 2810 mm (110.63 in.) |
| Front track | 1545 mm (60.83 in.) |
| Rear (Back) track | 1594 mm (62.76 in.) |
| Ride height (ground clearance) | 130 mm (5.12 in.) |
| Drag coefficient (Cd) | 0.29 |
| Minimum turning circle (turning diameter) | 11.3 m (37.07 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| 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 94W; 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 430i Gran Coupe is BMW’s B48B20B 2.0-liter turbocharged inline-four cylinder engine. This engine is a member of BMW’s modular engine family, known for its efficiency and performance. The B48 utilizes direct fuel injection, operating at a compression ratio of 10.2:1, and is equipped with a twin-scroll turbocharger and intercooler to minimize turbo lag and maximize power output. The engine produces 252 horsepower at 5200 rpm and 350 Nm (258 lb-ft) of torque between 1450 and 4800 rpm. The engine’s variable valve timing (VANOS) and variable valve lift (Valvetronic) systems contribute to its responsiveness and fuel efficiency. The 430i was typically paired with an 8-speed automatic transmission, sending power to the rear wheels. This transmission is known for its smooth shifts and quick response times, enhancing the overall driving experience.
Driving Characteristics
The 430i Gran Coupe with the 8-speed automatic delivers a refined and engaging driving experience. Acceleration from 0 to 60 mph takes approximately 5.6 seconds. The automatic transmission is well-tuned, providing seamless gear changes and allowing the engine to remain in its optimal power band. While not as overtly sporty as some of its higher-performance siblings, the 430i offers a good balance between comfort and performance. The steering is precise and well-weighted, providing good feedback to the driver. The suspension is tuned for a comfortable ride, but still offers good body control in corners. Compared to the manual transmission version, the automatic provides a more relaxed driving experience, particularly in city traffic. It also offers slightly quicker acceleration due to the transmission’s ability to shift more quickly and efficiently than a human driver.
Equipment & Trim Levels
The 430i Gran Coupe came standard with a generous array of features, including leatherette upholstery, automatic climate control, a 6.5-inch iDrive infotainment system, and a rearview camera. Optional extras included leather upholstery, a premium sound system, navigation, a head-up display, and a suite of driver-assistance features such as lane departure warning and collision mitigation. Trim levels were relatively straightforward, with most options available as standalone additions rather than distinct packages. The interior design emphasized a driver-focused layout with high-quality materials and a modern aesthetic.
Chassis & Braking
The F36 Gran Coupe utilizes a sophisticated chassis design featuring an independent suspension at all four corners. The front suspension consists of coil springs and struts, while the rear suspension employs a multi-link setup. This configuration provides a comfortable ride and good handling characteristics. The 430i Gran Coupe is equipped with ventilated disc brakes on all four wheels, providing ample stopping power. The standard ABS (Anti-lock Braking System) and stability control systems enhance safety and control. The vehicle’s weight distribution is well-balanced, contributing to its neutral handling characteristics.
Market Reception & Comparison
The 430i Gran Coupe was generally well-received by automotive critics, who praised its stylish design, comfortable ride, and engaging driving dynamics. It was often seen as a more practical alternative to the 4 Series Coupe, offering similar performance with added versatility. Compared to the 428i (the predecessor model), the 430i offered a noticeable increase in power and torque. Against the higher-performance 440i, the 430i provided a more affordable entry point into the 4 Series Gran Coupe range, albeit with slightly less power and performance. Fuel economy was a strong point, with combined fuel consumption figures ranging from 36.2 to 38.6 US mpg.
Legacy
The BMW 430i Gran Coupe (F36) has proven to be a reliable and durable vehicle. The B48 engine, while not without its minor issues (such as potential oil leaks), is generally considered to be a robust and long-lasting powerplant. The 8-speed automatic transmission is also known for its reliability. On the used car market, the 430i Gran Coupe remains a popular choice, offering a compelling combination of style, performance, and practicality. Maintenance costs are generally reasonable, although preventative maintenance, such as oil changes and coolant flushes, is crucial to ensure long-term reliability. The F36 generation 4 Series Gran Coupe, and the 430i variant in particular, represents a significant step forward in BMW’s design and engineering, offering a refined and engaging driving experience that continues to appeal to enthusiasts today.
