E46 M3 ECU tuningPower from ECU tuning for the new BMW M-3 (E46) 2000 on. The low-end throttle response and smoother power curve allow the car to accelerate without hesitation. Performance is enhanced throughout the entire power band making our upgrade a great addition to your new vehicle. Performance upgrade requires 92 or higher octane premium fuel. ECU must be sent in to be reprogrammed.
·Higher horsepower & torque at all RPM, refer to dyno chart for actual performance figures.
·Our ECU tuning gains about 11 horsepower and 13 foot-lbs. of torque.
·Faster acceleration under most conditions.
·Best of all a reasonable price.
·More responsive throttle feel and the extra power comes in handy during passing and acceleration maneuver!