Performance

Powered by special version of BMW V-8 engine:
4.8 liters, 375 hp, 383 lb-ft. torque
Aluminum block & cylinder heads, specially manufactured by BMW for use in this engine
VANOS variable intake-valve timing
Specific ALPINA elements include pistons, connecting rods, camshafts, valves, intake manifold, engine-management system and software
ALPINA hand-polishes intake and exhaust ports for enhanced breathing ability

this is the base of the 4.8 used in the X5, this is the power plant from the Z8 Alpina i think BMW used this when building the new units but not 100% sure i know that the 4.8 in the X5 is different from the 5/6/7 but dont ask me how just what i was told this maybe BS