Cue the BMW Alpina B5 Bi-Turbo and its impressive 4.4-liter twin-turbo V8 motor. Even though the N63 4.4-liter V8 engine generates lots of low-rev torque, the Buchloe-based outfit found an extra ...

THE POWERTRAIN – First Class In Both Performance And Economy First introduced in the BMW ALPINA B7 Bi-Turbo, the all-aluminium V8 powerplant endows the new B5 Bi-Turbo with sensational pace.

The B5 Biturbo Edition 50 model is bold in design and has specs beyond our wildest dreams, leaving even BMW’s own M5 behind in terms of performance, not to mention style and elegance. Under the ...

BMW's 560-hp (418-kW) M5 is already an absolute powerhouse, but the engineers at Alpina have decided that there's a market for a more powerful, more luxurious 5 Series in the form of the B5 Biturbo.

To celebrate Alpina's 50th anniversary, BMW created the Alpina B5 Bi-Turbo Edition 50, which had a limited production run of only 50 units.

Model: 2011 BMW Alpina B5 Bi-Turbo Touring Engine/Motor: 4.4-liter twin-turbocharged V8 engine Horsepower: 507 horsepower Torque: 516 lb/ft of torque Transmission: eight-speed ZF automatic ...

The B5 Biturbo is based on the BMW M5, a 560-horsepower, eight-cylinder super sedan. Alpina then whips up its own variant of the M5's 4.4-liter, twin-turbocharged engine, which puts out 600 ...

Alpina has good news for you. The company has officially pulled back the curtain on the new B5 Sedan, and the vehicle boasts the same wicked driveline as its long-roof twin.

Alpina B5 Biturbo will likely carry over. In the current model, the engine delivers 608 PS (600 HP) at 5,500 – 6,500 rpm and 800 Nm (590 lb-ft) of torque between 2,000 – 5,000 rpm.

BMW may finally be going the twin-turbocharged route for its next-generation M5 sedan but the guys over at Alpina have already beaten them to it, unveiling this week the new 2011 Alpina B5 Bi ...

The BMW Alpina B5 Bi-Turbo is not actually a BMW. Not according to the German Federal Motor Transport Authority, at least. Nope, the modifications applied by tuning house Alpina to the 5 Series are ...

Still, as far as sedans go, the B5 GT makes 9 hp (6 kW) more than the standard Alpina B5 and the BMW M5 Competition, and only 1.3 hp (1 kW) less than the M5 CS which narrowly retains the title of ...