The Alpina B5 Touring (E61), produced between 2008 and 2011, represents a high-performance, luxury station wagon based on the BMW 5 Series (E61) chassis. Alpina, a renowned German automotive engineering company, meticulously refined the 5 Series, creating a vehicle that blended practicality with exhilarating performance. This particular variant, equipped with a 4.4-liter V8 engine producing 530 horsepower and an automatic transmission featuring Alpina’s Switch-Tronic system, occupied the top echelon of the B5 Touring lineup, offering a unique combination of space, speed, and exclusivity. It was primarily marketed towards discerning customers seeking a vehicle capable of both family duties and spirited driving experiences.
Technical Specifications
| Brand | Alpina |
| Model | B5 |
| Generation | B5 Touring (E61) |
| Type (Engine) | 4.4 V8 (530 Hp) S Switch-Tronic |
| Start of production | 2008 |
| End of production | 2011 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – urban | 18.7 l/100 km (12.6 US mpg, 15.1 UK mpg, 5.3 km/l) |
| Fuel consumption (economy) – extra urban | 8.8 l/100 km (26.7 US mpg, 32.1 UK mpg, 11.4 km/l) |
| Fuel consumption (economy) – combined | 12.4 l/100 km (19 US mpg, 22.8 UK mpg, 8.1 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.6 sec |
| Acceleration 0 – 62 mph | 4.6 sec |
| Acceleration 0 – 60 mph | 4.4 sec |
| Maximum speed | 313 km/h (194.49 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 3.4 kg/Hp, 295.3 Hp/tonne |
| Weight-to-torque ratio | 2.5 kg/Nm, 403.9 Nm/tonne |
| Power | 530 Hp @ 5500 rpm |
| Power per litre | 120.5 Hp/l |
| Torque | 725 Nm @ 4750 rpm (534.73 lb.-ft. @ 4750 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | H1/2 |
| Engine displacement | 4398 cm3 (268.38 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 92 mm (3.62 in.) |
| Piston Stroke | 82.7 mm (3.26 in.) |
| Compression ratio | 9:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Supercharger, Intercooler |
| Valvetrain | DOHC |
| Kerb Weight | 1795 kg (3957.3 lbs.) |
| Max. weight | 2260 kg (4982.45 lbs.) |
| Max load | 465 kg (1025.15 lbs.) |
| Trunk (boot) space – minimum | 500 l (17.66 cu. ft.) |
| Trunk (boot) space – maximum | 1650 l (58.27 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal, 15.4 UK gal) |
| Length | 4843 mm (190.67 in.) |
| Width | 1846 mm (72.68 in.) |
| Height | 1491 mm (58.7 in.) |
| Wheelbase | 2886 mm (113.62 in.) |
| Front track | 1566 mm (61.65 in.) |
| Rear (Back) track | 1574 mm (61.97 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 | 6 gears, automatic transmission |
| Front suspension | Spring Strut, Transverse stabilizer |
| Rear suspension | Independent multi-link suspension, Transverse stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | Front wheel tires: 245/40 R19 Rear wheel tires: 275/35 R19 |
Powertrain & Engine Architecture
At the heart of the B5 Touring (E61) lies Alpina’s meticulously engineered 4.4-liter V8 engine, internally designated as the H1/2. This engine is based on the BMW N62 block but features significant modifications, including a supercharger and intercooler, to substantially increase power output. The engine utilizes multi-port fuel injection and a double overhead camshaft (DOHC) valvetrain. The supercharger, a Lysholm-type unit, provides instant boost, eliminating turbo lag and delivering a linear power curve. The engine produces 530 horsepower at 5500 rpm and a robust 725 Nm (534.73 lb-ft) of torque at 4750 rpm. This power is channeled through a ZF 6HP26 automatic transmission, enhanced with Alpina’s Switch-Tronic system. Switch-Tronic allows for manual gear selection via steering wheel-mounted buttons, offering drivers greater control over the drivetrain.
Driving Characteristics
The combination of the high-output V8 and the responsive automatic transmission results in exhilarating performance. The B5 Touring (E61) can accelerate from 0 to 60 mph in approximately 4.4 seconds and achieve a top speed of 313 km/h (194.49 mph). The supercharger provides immediate throttle response, making the car feel remarkably quick in everyday driving situations. While the automatic transmission isn’t as engaging as a manual gearbox, the Switch-Tronic system allows for a degree of driver involvement. Compared to the standard BMW 5 Series or even the V8-powered 550i, the Alpina B5 Touring offers a more refined and powerful driving experience, with a focus on effortless performance and long-distance comfort.
Equipment & Trim Levels
The B5 Touring (E61) came exceptionally well-equipped as standard. Interior appointments included premium leather upholstery, wood trim, and Alpina-specific instrumentation. Standard features also included a navigation system, premium sound system, and a sunroof. Optional extras included upgraded leather options, individual rear seats, and a variety of cosmetic enhancements. The Alpina B5 Touring was positioned as a luxury performance vehicle, and its trim level reflected this, offering a higher level of refinement and exclusivity than the standard BMW 5 Series models.
Chassis & Braking
Alpina made subtle but effective modifications to the chassis and braking system to complement the increased power. The suspension featured stiffer springs and dampers, along with thicker stabilizer bars, to reduce body roll and improve handling. The B5 Touring (E61) utilized ventilated disc brakes on all four wheels, providing ample stopping power. The ABS (Anti-lock braking system) ensured safe and controlled braking in various conditions. The steering system was a hydraulic rack and pinion setup, offering precise and responsive steering feel.
Market Reception & Comparison
The Alpina B5 Touring (E61) was generally well-received by automotive critics. It was praised for its blend of performance, luxury, and practicality. While the fuel economy (12.4 l/100 km combined) was not particularly impressive, it was considered acceptable for a high-performance vehicle of this type. Compared to other high-performance wagons, such as the BMW M5 Touring (which was never officially sold in the US), the Alpina B5 offered a more refined and comfortable driving experience. It also provided a unique alternative to traditional sports sedans.
Legacy
The Alpina B5 Touring (E61) remains a sought-after vehicle among enthusiasts. The 4.4-liter V8 engine, while complex, has proven to be relatively reliable with proper maintenance. Common issues include cooling system components and oil leaks, but these are generally addressable. The Switch-Tronic transmission is also generally reliable, although regular fluid changes are essential. Today, the B5 Touring (E61) represents a unique and desirable combination of performance, luxury, and practicality, making it a compelling choice in the used car market.
