Witness your BMW M3/M4 reach an unparalleled level of performance by combining the advanced DME Tuning software with Keller Performance Titanium Cerakote coated Downpipes.
Tuning for specific octane
Check engine light removal for downpipes (off-road use only)
Top-speed limiter removal
Cold start On/Off
Extend or add burble when available
ECU UNLOCK
DME can tune 2021+ BMW's (06/2020+ build date). The turnaround time is 2 weeks since the DME has to be sent to Europe for unlocking. Pricing includes ECU unlock, tune, and shipping.
NOTE
You will need to disable the AUTO UPDATES by going to the following in the iDrive menu. Car > Settings > General Settings > Data Privacy > Select "No Service". If the iDrive asks you to update your apps, do not do this. It will lock the ECU again and you will lose your
2021+BMW G80 M3 / M4 Stage 2 Tune and Downpipes Package
Your BMW G80 M3/M4 necessitates the removal of the ECU and shipment to Europe for unlocking. Subsequently, we will reprogram your ECU with stage 2 software and return it to you for installation.