Thank you for contacting Garmin EMEA Aviation Support.

1: The software required to code the SD card on your Apple Mac:

https://fly.garmin.com/fly-garmin/garmin-aviation-database-manager/

2: If at any time you need to format any SD cards being used in the Avionics, please use the software below. Formatting cards can resolve coding and installing database issues. And will format it in the correct format (FAT32)

https://www.sdcard.org/downloads/formatter/

And if you require instructions. General steps are download the SD card formatter software, then use it to format the SD card.

https://support.garmin.com/en-US/aviation/faq/jIgpsBCCQb52oO0r7oXgP7/?keywordSearch=format%20on%20a%20mac

Danke, Achim, ich habe bis heute (6 Wochen?) keine Antwort vom Garmin Support.