It was about time more aftermarket specialists join in the rush for the BMW 4 Series, and the latest is Hamann.

With a focus on performance upgrades, the kit has all it needs, making for a good choice once the 4 Series hits the streets.

While we await on more details from the aftermarket specialist, let’s take a look at power improvements over most of the engine range. Starting with the 420d, Hamann managed to upgrade it from 184 Hp and 380 Nm of torque up to 216 Hp and 440 Nm.

The 430d gets upped from 258 Hp and 560 Nm to 295 Hp and 605 Nm, while 435d goes from 313 Hp and 630 Nm to 355 Hp and 695 Nm. As for the gasoline burners, the 420i gets upgrade from 184 Hp and 270 Nm to 208 Hp and 315 Nm. The 428i gets from 245 Hp and 350 Nm to 272 Hp and 392 Nm. Finally, the 435i version will be upgraded from 306 Hp and 400 Nm to 348 Hp and 449 Nm.

As a final note, Hamann also offers for the BMW 4 Series two sets of custom wheels and two choices of lowering springs.