German based tuner, Manhart Tuning, has recently revealed their modification program based on the BMW M6 models, the BMW M6 Coupé (F13), M6 Cabriolet (F12) and M6 Gran Coupé (F06).
The tuner offers four tuning stages for the BMW M6. The first stage is the software optimization which helps the car to achieve 620 hp and maximum torque of 720 Nm. The second stage has additional downpipes which helps to further increase the speed to 640 hp and 760 Nm of maximum torque.
In the third stage, MHR axle back sport end-silencer and a Carbon Air Intake System are fitted so that the speed further increases to 670 hp and 790 Nm of maximum torque.
The last stage has an additional MHR performance kit which helps the car to achieve a mind-boggling 700 hp and 860 Nm of maximum torque.
The tuner also provides other options to customer such as Race Design valve control exhaust system alongwith the rotary speed, classical coilover suspension or coilover spring setup.