DINANTRONICS™ Performance Tuner is a highly engineered and sophisticated piece of computer hardware and software that enhances engine performance, without ineffectively or invalidate your new car warranty coverage and without affecting long term reliability or the functionality of on-board diagnostic systems. It is also the only tuning device emissions legal in all 50 states. The objective of developing this piece of technology was to provide the ability to control every signal entering and exiting the BMW factory Engine Control Unit. These items are unique to Dinan and together they embody the apex of performance engineering in a powerful, reliable, and warrantied package.
Stage 2 (DINANTRONICS Performance Tuner in conjunction with Dinan intake and exhaust) Maximum Power on Competition Package equipped F8x M3/M4's: 543 HP, 505 lb-ft of torque.
This version of the DINANTRONICS Performance Tuner is ONLY compatible with M3/M4's equipped with the Competition Package. Compatibility with the Standard Package is available in a different kit.