Originally Posted by AZJowett
I thought the the installation of the 569s required a new mapping of the ECU. So even if they could be remade could it fit without the change to the ECU?


MMC will remap/flash your ecu. I sent mine to my favorite MMC dealer and they forwarded to MMC for the flash.

2019 M3W Sold and is now in Las Vegas enjoying the showgirls :-)