The tuning firm B+B are making power in unlikely places. With the use of an upgraded turbocharger the German tuner is making up to 325 HP from the TDI Audi->ke14 A4. Although those numbers may not seem astronomical, the amount of torque produced, 640 Nm (almost 475 lbft) should be enough to make you scared.

Press Release:

The latest tuning package for the Audi A4 has recently been made available by the German tuning house B&B. There are three levels of tuning available all of which comes with a new turbocharger.

Engine:

The first level is dubbed 'comfort' and come with 40hp (or a total of 280hp) for the 3.0 TDI unit with 585Nm torque. The first sport level enhancement brings the car to 300hp and 600Nm torque with the second level brings the 3.0-liter TDI powerplant to a remarkable 325hp and 640Nm torque. These revisions are offered beginning with 1198 Euros. Cars equipped with a 2.0-liter diesel unit generating 170hp, there are two performance level upgrades offered. The first brings power up to 200hp and 400Nm and the second brings the total to 220hp and 420Nm of torque. These upgrades come with a 998 Euro price tag.

Exterior:

B&B is also offering visual upgrades, such as 20 inch wheels at 3,990 Euros, a fresh suspension that can reduce ride height by 40 mm for 1198 Euros, and an aero pack with an 'RS-Style' muffler as option for 1898 Euros.