The tablet base holder that fits in the back of the seat does adjust to hold different size devices. The key is that each BMW case has small indents in the side of the case that match up with the clamping points of the tablet holder. This is why you cannot use any case. The lack of indents on non-BMW cases means the device will slide out the first time you hit a corner.
Last edited by AlpineMan; 01-15-2019 at 07:22 AM..
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