The Alpina D4 Coupe (F32) 3.0d, produced between 2014 and 2017, represents a unique blend of performance and efficiency within the BMW 4 Series (F32) lineage. Alpina, a renowned German automotive engineering company, took the standard 4 Series Coupe and elevated it with a potent diesel engine, bespoke tuning, and luxurious appointments. This variant occupied a niche position, offering a compelling alternative to the gasoline-powered 4 Series models and appealing to drivers seeking high torque, impressive fuel economy, and a sophisticated driving experience. It was positioned as a premium offering, bridging the gap between the standard BMW 4 Series and the higher-performance M4.
Technical Specifications
| Brand | Alpina |
| Model | D4 |
| Generation | D4 Coupe (F32) |
| Type (Engine) | 3.0d (350 Hp) Switch-Tronic |
| Start of production | 2014 |
| End of production | 2017 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 6 l/100 km (39.2 US mpg, 47.1 UK mpg, 16.7 km/l) |
| Fuel consumption (extra urban) | 4.9 l/100 km (48 US mpg, 57.6 UK mpg, 20.4 km/l) |
| Fuel consumption (combined) | 5.3 l/100 km (44.4 US mpg, 53.3 UK mpg, 18.9 km/l) |
| CO2 emissions | 139 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 4.6 sec |
| Acceleration 0 – 62 mph | 4.6 sec |
| Acceleration 0 – 60 mph | 4.4 sec |
| Maximum speed | 278 km/h (172.74 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 4.5 kg/Hp, 220.8 Hp/tonne |
| Weight-to-torque ratio | 2.3 kg/Nm, 441.6 Nm/tonne |
| Power | 350 Hp @ 4000 rpm |
| Power per litre | 116.9 Hp/l |
| Torque | 700 Nm @ 1500-3000 rpm (516.29 lb.-ft. @ 1500-3000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine displacement | 2993 cm3 (182.64 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 90 mm (3.54 in.) |
| Compression ratio | 16.5:1 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | BiTurbo, Intercooler |
| Engine systems | Particulate filter |
| Kerb Weight | 1585 kg (3494.33 lbs.) |
| Max. weight | 2105 kg (4640.73 lbs.) |
| Max load | 520 kg (1146.4 lbs.) |
| Trunk (boot) space – minimum | 445 l (15.72 cu. ft.) |
| Fuel tank capacity | 57 l (15.06 US gal | 12.54 UK gal) |
| Permitted trailer load with brakes (12%) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Length | 4640 mm (182.68 in.) |
| Width | 1825 mm (71.85 in.) |
| Height | 1382 mm (54.41 in.) |
| Wheelbase | 2810 mm (110.63 in.) |
| Front track | 1552 mm (61.1 in.) |
| Rear (Back) track | 1576 mm (62.05 in.) |
| Front overhang | 787 mm (30.98 in.) |
| Rear overhang | 1043 mm (41.06 in.) |
| 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 | 8 gears, automatic transmission Switch-Tronic |
| 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 | 245/35 ZR19; 265/35 ZR19 |
| Wheel rims size | 8J x 19; 9J x 19 |
INTRODUCTION
The Alpina D4 Coupe (F32) 3.0d, launched in 2014, was built upon the BMW 4 Series Coupe (F32) platform. Alpina’s modifications extended beyond the engine, encompassing aerodynamic enhancements, a refined suspension setup, and a luxurious interior. The D4 aimed to deliver a unique driving experience, combining the sporting character of the 4 Series with the efficiency and torque of a high-performance diesel engine. Production continued until 2017, solidifying its position as a distinctive offering in the premium coupe segment.
Powertrain & Engine Architecture
At the heart of the D4 Coupe lies Alpina’s version of the BMW N57D30 inline-six diesel engine. Specifically, this variant utilized the engine codes associated with higher output versions of the N57, benefitting from enhanced turbocharging and engine management. The 3.0-liter engine featured a sophisticated common-rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. A bi-turbocharger setup, employing both a variable geometry turbocharger (VGT) and a smaller turbocharger, provided broad torque across the rev range. The engine also incorporated an intercooler to further enhance efficiency. The ‘Switch-Tronic’ 8-speed automatic transmission, a ZF-sourced unit, was specifically calibrated by Alpina for smooth and responsive gear changes. This transmission offered both automatic and manual shift modes, allowing drivers to tailor the driving experience to their preferences.
Driving Characteristics
The D4 Coupe 3.0d delivered a remarkably refined and potent driving experience. The 700 Nm (516 lb-ft) of torque, available from just 1500 rpm, provided effortless acceleration and strong in-gear performance. The Switch-Tronic transmission, with its closely spaced gear ratios, ensured that the engine remained within its optimal power band. While not as overtly sporty as the gasoline-powered M4, the D4 offered a more accessible and usable performance profile for everyday driving. The Alpina-tuned suspension provided a comfortable ride without sacrificing handling precision. The rear-wheel-drive configuration contributed to a balanced and engaging driving experience.
Equipment & Trim Levels
The Alpina D4 Coupe was generously equipped as standard. Interior appointments included high-quality leather upholstery, Alpina-specific interior trim (often featuring wood or carbon fiber accents), and sport seats. Standard features also included a premium sound system, navigation system, and a comprehensive suite of driver-assistance technologies. Optional extras included a panoramic sunroof, upgraded leather options, and Alpina’s signature blue and green interior stitching. The exterior featured subtle but distinctive Alpina styling cues, including unique front and rear bumpers, side skirts, and a rear spoiler. Alpina also offered a range of bespoke customization options, allowing customers to personalize their vehicles to their exact specifications.
Chassis & Braking
The D4 Coupe retained the core chassis components of the BMW 4 Series, but with Alpina-specific modifications. The suspension was recalibrated with stiffer springs and dampers to improve handling and reduce body roll. The braking system featured ventilated discs on all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) was standard, enhancing safety and stability. The steering system, a rack-and-pinion setup with electric power assistance, offered precise and responsive control.
Market Reception & Comparison
The Alpina D4 Coupe was generally well-received by automotive critics. Reviewers praised its blend of performance, efficiency, and luxury. The diesel engine was lauded for its smooth power delivery and impressive fuel economy. Compared to the standard 4 Series diesel models, the D4 offered significantly more power and a more refined driving experience. Compared to the gasoline-powered 4 Series variants, the D4 provided comparable performance with superior fuel efficiency. However, some critics noted that the D4 lacked the outright sporting character of the M4.
Legacy
The Alpina D4 Coupe (F32) 3.0d has established itself as a desirable and relatively rare used car. The robust N57 diesel engine, when properly maintained, is known for its longevity and reliability. The Switch-Tronic transmission has also proven to be durable. Today, these vehicles appeal to enthusiasts seeking a unique and sophisticated coupe that offers a compelling combination of performance, efficiency, and exclusivity. The D4’s distinctive styling and luxurious interior continue to set it apart from the standard BMW 4 Series models, ensuring its enduring appeal in the used car market.
