DINANTRONICS Performance Tuner Stage 1 M3 M4 (D440-1644-ST1)


The DINANTRONICS™ Performance Tuner is a highly engineered and sophisticated piece of computer hardware and software that enhances engine performance, without negating or voiding 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 ultimate 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.


Additional information

Weight7 lbs
Dimensions14 × 10 × 10 in
Installation Hours


Max HP Gain

42 @ 6000 RPM

Max Torque Gain

47 @ 3500 RPM

Peak Horsepower

516 @ 6000 RPM

Peak Torque

489 @ 3500 RPM

BMW Factory Rated HP

425 (484 Measured)

BMW Factory Rated Torque

406 (446 Measured)

Included Notes

DINANTRONICS Performance Tuner, Dinan wiring harness, Dinan Stage 1 software

California Restricted



There are no reviews yet.

Be the first to review “DINANTRONICS Performance Tuner Stage 1 M3 M4 (D440-1644-ST1)”

Your email address will not be published. Required fields are marked *

2015 - 2017BMWM3 (F80)3.0L L6
2015 - 2017BMWM4 (F82)3.0L L6
2015 - 2017BMWM4 (F83)3.0L L6