G-Power has recently introduced a variety of tuning packages for the BMW model equipped with a twin-turbo 4.4-liter V8 engine.
First and foremost, the M5 and M6 can be equipped with a Bi-Tronik III package that enables them to produce:
• 625 HP (459 kW) and 777 Nm (573 lb-ft) of torque
• 645 HP (474 kW) and 810 Nm (597 lb-ft) of torque
• 680 HP (500 kW) and 890 Nm (656 lb-ft) of torque
• 710 HP (522 kW) and 890 Nm (656 lb-ft) of torque
• 740 HP (544 kW) and 910 Nm (671 lb-ft) of torque
The 550i, 650i and 750i/iL models can also be upgraded with the Bi-Tronik III package that will increase the output to:
• 490 HP (360 kW) and 685 Nm (505 lb-ft) of torque
• 510 HP (375 kW) and 720 Nm (530 lb-ft) of torque
• 540 HP (397 kW) and 790 Nm (582 lb-ft) of torque
• 560 HP (411 kW) and 810 Nm (597 lb-ft) of torque
To get to these cool figures, the cars are equipped with an optimized ECU, upgraded turbochargers and a sports exhaust system, depending on which package is selected.
