New Diesel-Powered Alpina D3 Bi-Turbo Races to Frankfurt Auto Show

Next week's 2013 Frankfurt Motor Show is the event of choice for Alpina to host the world premiere of it's new BMW 3-Series-based D3 Bi-Turbo saloon and Touring models.

The German maker dropped the first photos of the two diesel-powered cars and also released preliminary specifications. The big news is that unlike the outgoing 2.0-liter four-cylinder E90-based models, the F30-based D3s make use of a 3.0-liter straight-six turbocharged diesel, the same one found under the hoods of the XD3 SUV and D5 Bi-Turbo.

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