A good review I would say.
http://i.autoblog.com/2011/01/14/2011-bmw-alpina-b7-review-road-test/
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http://i.autoblog.com/2011/01/14/2011-bmw-alpina-b7-review-road-test/
Sent from my phone
For all not too keen in reading, here's the eye candy:The twin-turbo 4.4-liter V8 under the 2011 BMW Alpina B7's hood is a point of pride with him, as it's a 500-horsepower representation of what his company can do. This is no quick-and-dirty hot-rod motor with a reflashed ECU. After all, these are German engineers — relentlessly methodical.
The Alpina recipe for the B7's V8 starts with Mahle pistons that deliver a compression ratio of 9.2:1 and a pair of Garrett turbos with larger 44mm outlets. With 14.7 psi of boost, the engine now delivers 500 hp at 5,500 rpm and 516 pound-feet of torque at 3,000-4,750 rpm. Alpina's typically meticulous engineering includes new intercoolers with 35 percent more surface area, plus an additional radiator so the car can withstand the higher temperatures of the Mideast. Bovensiepen is also proud to note that the engine (like the car itself) is built right on the BMW assembly line in Dingolfing, which helps keep down the cost.
The 2011 BMW Alpina B7 gets to 60 mph in 4.5 seconds with the traction control disengaged (4.3 seconds with 1 foot of rollout like on a drag strip), and the quarter-mile comes up in 12.7 seconds at 111.6 mph. It gets away from the starting line effortlessly and seems to accelerate harder the faster it goes.