German tuner increases output of the twin-turbo 3.0 liter twin-turbo at 405 PS (298kW / 400bhp) & 539 Nm (398lb-ft).
Kelleners Sport, a German tuner, has made the BMW Z4 SDrive35is a true rager.
The power upgrade involves tuning the 3.0 Liter twin-turbocharged six-cylinder unit to produce 405 PS (298kW / 400bhp) as well as 539 Nm (398lb-ft). This is a significant improvement on the series output of 340 PS (335 bhp/ 335 bhp) as well as 450Nm (332 Lb-ft), torque and 500Nm (369 Lb-ft).
You can choose from 19-inch or 20-inch wheels in Hamburg or Berlin rims. Special lowering springs reduce ride height by 20 mm at front and 10 mm back.
The tuner also adds a three-spoke sports steering wheel, aluminum pedals, and foot rests to the interior, as well as velour floormats. Individual customer requests can also be made to order leather interiors with wood trims.