Quote:
Originally Posted by OverDrive
But 5400 RPM is better than 4200 RPM because its faster therefore there will be no delays on uploading (showing) the songs on the iDrive. There is also 7200RPM ones out there but those are expensive. Is 4200 RPM recommended by BMW or r u just saying? If 4200 is recommended then i guess its because it has to be compatible with the USB drive in the car since the USB Drive might not be able to generate info at higher speeds.
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BMW does not support any hard drives for 6FL. 4200RPM drives draw less power on startup and thus are more likely to work with the 6FL USB port without requiring additional external power. There are also reports of successful 5400RPM installations and also the occasional one-off overpowered USB port (100mph's car).
4200RPM vs 5400RPM may make a difference for indexing large collections (first time only) and even have a slightly bigger pause between songs but should have otherwise no other effect on playback. If you follow the recommendations here for genre-based letter sorting, directory listings should be fast.