ECU Tuning Group | BMW M4 ECU Upgrade
ECU Tuning Group | BMW M4 ECU Upgrade
The BMW M3/M4 Stage 1 makes 89hp 96lbs tq. We can also take it further by programming the ECU on top of using our module, the benefits would be even more power, adjustment of A/F, raised RPM if desired, removal of speed limiter, programming the transmission, traction and programming the exhaust 'blip'.
Last edited by sales@ECU Tuning Group; Aug 13, 2014 at 10:03 AM.
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