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Alpina B7 E65/E66L 4.4 V8 (500 Hp)
Overall Rating
Alpina B7:
The Alpina B7 Bi-Turbo, or Alpina B7, is the fifth generation of the high-performance full-size luxury car released by German automobile manufacturer Alpina. Based on the BMW 7 Series , the B7 Bi-Turbo was introduced at the 2016 Geneva Motor Show. Known as the B7 in North America, the car is the third B7 model to be imported to the United States. The Alpina B7 was discontinued in September 2022.
The B7 Bi-Turbo is based on the 750Li and uses a modified version of its 4. 4-litre twin-turbocharged V8 engine designated the N63M30. The engine is modified by the addition of modified twin-scroll turbochargers having larger inlet and outer dimensions and new compressors for an increased boost pressure of 1. 4 bar , replacement of the standard pistons with high-strength MAHLE pistons, new NGK spark plugs, a new air-to-water intercooler making use of short charge air intake paths to feed air to the air intake manifold, a revised cooling system with large diameter hoses for uninterrupted flow and additional external water and oil coolers. These modifications allow the engine to generate a power output of 608 PS at 6,250 rpm and 800 N⋅m of torque between 3,000 and 5,000 rpm. 670 N⋅m of torque is achieved at 2,000 rpm. The engine has a compression ratio of 10. 0:1....(Read more on Wikipedia)
E65/E66L Overview:
Alpina B7 (E65/E66L). With 700 Nm of torque, it offers ample pulling power. With a weight of 1970 kg, it falls in the mid‑range. Rear‑wheel drive offers dynamic handling and sporty feedback. Acceleration is excellent (0–100 km/h in 5.5 s). The top speed reaches 300 km/h. A four-door car with a separate trunk, ideal for families and daily commuting. Seating for 5 makes it ideal for daily use.
4.4 V8 (500 Hp) Verdict:
Performance Verdict
Identical to its long-wheelbase counterpart, this engine provides thrilling acceleration and immense power, transforming the luxury sedan into a formidable performance machine.
Fuel Economy
Fuel efficiency is a significant drawback, particularly in city driving, reflecting the high-performance nature and large displacement of the supercharged V8.
Pros and Cons:
Pros:
- • Exceptional performance from supercharged V8
- • Luxurious and comfortable interior
- • Exclusive and distinctive styling
- • Impressive handling for a large sedan
- • High-quality Alpina craftsmanship
Cons:
- • Very poor fuel economy
- • High maintenance and running costs
- • Complex electronics can lead to reliability issues
- • Significant depreciation from new
- • Large size can be cumbersome in urban environments
Specifications:
Specifications are compared to those of the previous generation(E28: 1986 - 1987).
| General: | |
|---|---|
| Brand: | Alpina |
| Model: | B7 |
| Generation: | E65/E66L |
| Modification (Engine): | 4.4 V8 (500 Hp) |
| Start of production: | 2005 |
| End of production: | 2008 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Sedan |
| Seats: | 5 |
| Doors: | 4 |
| Engine: | |
|---|---|
| Power: | 500 Hp @ 5500 rpm. Same horsepower |
| Power per litre: | 113.7 Hp/l [410mm more] |
| Torque: | 700 Nm @ 4250 rpm. |
| Engine displacement: | 4398 |
| Number of cylinders: | 8 |
| Engine configuration: | V-engine |
| Number of valves per cylinder: | 4 |
| Fuel injection system: | Multi-port manifold injection |
| Engine aspiration: | Supercharger, Intercooler |
| Valvetrain: | DOHC |
| Engine layout: | Front, Longitudinal |
| Cylinder Bore: | 92 mm mm |
| Piston Stroke: | 82.7 mm mm |
| Compression ratio: | 9:1 |
| Performance: | |
|---|---|
| Fuel Type: | Petrol (Gasoline) |
| Fuel consumption (economy) - urban: | 20 l/100 km |
| Fuel consumption (economy) - extra urban: | 10 l/100 km |
| Emission standard: | Euro 3 |
| Acceleration 0 - 100 km/h: | 5.5 sec |
| Acceleration 0 - 62 mph: | 5.5 sec |
| Maximum speed: | 300 km/h |
| Weight-to-power ratio: | 3.9 kg/Hp, 253.8 Hp/tonne |
| Weight-to-torque ratio: | 2.8 kg/Nm, 355.3 Nm/tonne |
| Acceleration 0 - 60 mph: | 5.2 sec |
| Space: | |
|---|---|
| Kerb Weight: | 1970 |
| Max. weight: | 2510 |
| Max load: | 540 |
| Trunk (boot) space - minimum: | 500 l |
| Fuel tank capacity: | 88 l |
| Size: | |
|---|---|
| Length: | 5030 mm mm [410mm more] |
| Width: | 1900 mm mm [200mm more] |
| Height: | 1480 mm mm [85mm more] |
| Wheelbase: | 2990 mm mm [365mm more] |
| Front track: | 1580 mm |
| Rear (Back) track: | 1580 mm |
| Powertrain: | |
|---|---|
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears | 6 |
| Transmission type | Automatic |
| Front brakes | Ventilated discs [Best for performance and cooling.] |
| Rear brakes | Ventilated discs [Best for performance and cooling.] |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | Front wheel tires: 245/35 R21 |
| Wheel rims size | Front wheel rims: 9J x 21 |
| Front suspension | Spring Strut, Transverse stabilizer |
| Rear suspension | Independent multi-link suspension, Air suspension |
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