Each time we've passed by the B5 BiTurbo Touring, the Alpina-tuned 5 Series wagon, here at Geneva, we've let out a little whimper. And why shouldn't we? With a 507 HP and 516 lb-ft o' torque BMW twin-turbocharged 4.4-liter V8 powerplant under the hood, it's hard for your pants not to tighten when you see this power wagon.[...]Source: jalopnik