Click the button that says or "Top Download" (the term "top download" simply means downloading the highest/fullest version available). The file will typically be a .bin , .zip , or .iso file.

BMW systems are picky. Most iDrive generations require format. However, update files larger than 4GB require exFAT (on newer iDrive 8/8.5). To format:

Use a high-quality thumb drive with at least 8GB of space .