The Alpina B3 Touring (F31 LCI), specifically the S 3.0 variant with 440 horsepower and all-wheel drive (Allrad) paired with the Switch-Tronic automatic transmission, represents a high-performance iteration of the BMW 3 Series Touring (estate). Produced from 2017 to 2019, this model occupied the top echelon of the B3 Touring lineup, offering a compelling blend of practicality, luxury, and exhilarating performance. It was based on the F31 3 Series Touring, which received a Life Cycle Impulse (LCI) facelift in 2015, incorporating updated styling and technology.
Technical Specifications
| Brand | Alpina |
| Model | B3 |
| Generation | B3 Touring (F31 LCI, Facelift 2015) |
| Type (Engine) | S 3.0 (440 Hp) Allrad Switch-Tronic |
| Start of production | 2017 |
| End of production | 2019 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 11.6 l/100 km (20.3 US mpg) |
| Fuel consumption (extra urban) | 6.6 l/100 km (35.6 US mpg) |
| Fuel consumption (combined) | 8.4 l/100 km (28 US mpg) |
| CO2 emissions | 192 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.1 sec |
| Acceleration 0 – 62 mph | 4.1 sec |
| Acceleration 0 – 60 mph | 3.9 sec |
| Maximum speed | 298 km/h (185.17 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 4 kg/Hp |
| Weight-to-torque ratio | 2.7 kg/Nm |
| Power | 440 Hp @ 5500-6250 rpm |
| Power per litre | 147.7 Hp/l |
| Torque | 660 Nm @ 3000-4500 rpm (486.79 lb.-ft.) |
| Engine layout | Front, Longitudinal |
| Engine displacement | 2979 cm3 (181.79 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 89.6 mm (3.53 in.) |
| Compression ratio | 10.2:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | BiTurbo, Intercooler |
| Kerb Weight | 1770 kg (3902.18 lbs.) |
| Max. weight | 2320 kg (5114.72 lbs.) |
| Max load | 550 kg (1212.54 lbs.) |
| Trunk (boot) space – minimum | 495 l (17.48 cu. ft.) |
| Trunk (boot) space – maximum | 1500 l (52.97 cu. ft.) |
| Fuel tank capacity | 60 l (15.85 US gal) |
| Permitted trailer load with brakes (12%) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Length | 4632 mm (182.36 in.) |
| Width | 1811 mm (71.3 in.) |
| Height | 1431 mm (56.34 in.) |
| Wheelbase | 2810 mm (110.63 in.) |
| Front track | 1538 mm (60.55 in.) |
| Rear (Back) track | 1556 mm (61.26 in.) |
| Drive wheel | All wheel drive (4×4) |
| 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 | 245/30 ZR20; 265/30 ZR20 |
| Wheel rims size | 8J x 20; 9J x 20 |
Powertrain & Engine Architecture
At the heart of the B3 Touring S 3.0 lies Alpina’s meticulously engineered 3.0-liter inline-six cylinder engine, based on the BMW N55 architecture but extensively modified. The engine code is typically associated with Alpina’s internal designations rather than BMW’s. Key enhancements include twin turbochargers with larger compressors, a revised intercooler system for improved cooling efficiency, and a bespoke engine management system calibrated for optimal performance and drivability. Direct fuel injection ensures precise fuel delivery, while a reinforced crankshaft, connecting rods, and pistons contribute to the engine’s durability. The engine produces 440 horsepower at 5500-6250 rpm and a substantial 660 Nm (486.79 lb-ft) of torque between 3000 and 4500 rpm.
The “Switch-Tronic” transmission is an 8-speed automatic, derived from the ZF 8HP series, but with Alpina-specific software and calibration. This transmission offers both fully automatic operation and manual gear selection via steering wheel-mounted paddles, providing the driver with a greater degree of control. The all-wheel-drive system (Allrad) is BMW’s xDrive system, intelligently distributing torque between the front and rear axles for enhanced traction and stability, particularly in adverse weather conditions.
Driving Characteristics
The B3 Touring S 3.0 delivers a remarkably refined yet potent driving experience. The combination of the powerful engine, responsive transmission, and all-wheel drive results in blistering acceleration – 0 to 60 mph in approximately 3.9 seconds and a top speed of 185 mph. Compared to the standard 3 Series Touring or even the 340i, the Alpina offers a more muscular and immediate throttle response. The Switch-Tronic transmission provides smooth and quick gear changes, whether in automatic or manual mode. The all-wheel-drive system inspires confidence, providing excellent grip and stability even when pushed hard. While not as overtly track-focused as some other high-performance estates, the B3 Touring S 3.0 strikes a compelling balance between performance and everyday usability.
Equipment & Trim Levels
The B3 Touring S 3.0 came generously equipped as standard. Interior appointments typically included Alpina-specific leather upholstery, unique wood or carbon fiber trim, and Alpina-branded instrumentation. Standard features also included a premium sound system, navigation system, and a comprehensive suite of driver-assistance technologies. Optional extras could include a panoramic sunroof, upgraded leather options, and various customization options through Alpina’s bespoke program. The interior was designed to be luxurious and comfortable, reflecting the car’s positioning as a high-end performance estate.
Chassis & Braking
The B3 Touring S 3.0 features a sport-tuned suspension system, with stiffer springs and dampers compared to the standard 3 Series Touring. Alpina also employed optimized stabilizer bars to reduce body roll during cornering. The braking system consists of ventilated discs all around, providing ample stopping power. The car’s chassis was engineered to handle the increased power and performance, delivering a composed and controlled ride.
Market Reception & Comparison
The Alpina B3 Touring S 3.0 was generally well-received by automotive critics, who praised its blend of performance, luxury, and practicality. It was often positioned as a more exclusive and refined alternative to the BMW M3 Touring (which wasn’t available during the F31 generation). Compared to the 330i or 340i Touring, the B3 offered significantly more power and performance. Fuel economy, while respectable for a car of this caliber, was lower than the base models. Reliability was generally good, benefiting from Alpina’s meticulous engineering and quality control.
Legacy
The Alpina B3 Touring (F31 LCI) S 3.0 remains a desirable vehicle in the used car market. Its combination of performance, practicality, and exclusivity has ensured its continued appeal to enthusiasts. The powertrain, while requiring regular maintenance, is generally considered robust and reliable. The B3 Touring represents a unique offering in the high-performance estate segment, providing a compelling alternative to more mainstream options. Its limited production numbers and distinctive character contribute to its collectibility and enduring legacy.
