Alpina BMW B5 Bi-Turbo
First introduced in the BMW B7 Alpina Bi-Turbo, the all-aluminum V8 powerplant endows the new B5 Bi-Turbo with sensational pace. It achieves 507 horsepower (373 kW) at a moderate 5500 rpm, with maximum torque of 700nm from 3000 to 4750 rpm. The "Bi-Turbo" appellation refers to the two turbochargers comfortably nestled inside the V shaped cylinder block 8. They work in parallel, feeding Each one of the two cylinder banks. Specially Developed for Alpina in partnership with Honeywell Garrett, the bespoke exhaust turbines are generously dimensioned. Compared to its predecessor super-charged, this engine configuration Delivers more torque over a Broader rev range and improves throttle response at low revs.