Here is an explosive piece of Bavarian tuning for a Bavarian machine: Tuningwerk has released a complex tech modification project for the BMW 7 Series. The big Bimmer tuning pack offers two stages: customers who want some extra muscle can opt for the first one, which brings 530 hp and 740 Nm to the game, while those willing to go all the way can go for Stage II, which delivers 720 hp and 1,090 Nm of torque.

The first deals with the 0 to 62 mph sprint in 4.2 seconds and offers a top speed of 1... [...]

Source: autoevolution