Some tuners work faster than others, so while Manhart has teased its own interpretation of the new-gen BMW Z4, Dahler has already launched a bunch of upgrades for Munich’s new roadster. Aa small boost in power for the M40i model, whose 3.0-liter turbo-six is now capable of delivering 408 PS and 620 Nm of torque.

Dahler hasn’t released any acceleration figures, but the extra 68 PS and 120 Nm of torque will likely shave off a few tenths of a second from the official 0-100 km/h time of 4.5 seconds. With the speed limiter removed, the Dahler-tuned Z4 M40i can now be pushed to 300 km/h, instead of 250 km/h.


Those unfamiliar with the model might be tempted to say that changes have ended with the extra muscle. But they would be wrong, as this Z4 M40i features a sports exhaust system with 90 mm tailpipes and lowering springs as well.

Look closer at the lower front and rear ends of the car and you will see a splitter with side flaps and a skirt, painted in a different shade than the rest of the exterior. These too are part of the tune, as are the forged wheels, 21-inch in size, shod in 245/30 and 295/25 tires, front and rear, from Michelin. Dahler will come back to the latest Z4 with other components such as a height-adjustable sports suspension, new 20-inch rims and a glass wind deflector.