BMW M6 Coupe, Cabrio and GranCoupe modified by Manhart Racing image

The aftermarket specialists at Manhart Racing have recently pulled the wraps off their latest creation, a new upgrade program for the BMW M6 Coupe, M6 Cabrio and M6 GranCoupe.

According to the tuning company, the three powerful versions of the BMW M6 have now received a four-stage power kit from Manhart Racing. Stage 1 is bringing a software update which is increasing the total output to 620 HP (456 kW) and 720 Nm of torque (531 lb-ft), from the standard 560 HP (412 kW) and 680 Nm of torque (502 lb-ft). The second stage is adding downpipes, boosting its output to 640 HP (471 kW) and 760 Nm of torque (560 lb-ft).

Stage 3 in the three versions of the M6 is bringing a Sport end-silencer, a carbon air intake system and an MHR rear axle, with the total output standing at 670 HP (493 kW) and 790 Nm (583 lb-ft) of torque. Last but not least, Stage 4 is coming with an extra MHR performance box, helping the engine produce more than 700 HP (515 kW) and 860 Nm of torque (634 lb-ft). No price list has been announced just yet for the four stages of upgrade in the BMW M6 Coupe, M6 Cabrio and M6 GranCoupe.