T25 is the single most common Torx. Not sure the largest I've used. I own up to T50 but have not used one that large on a BMW. Just get a decent set starting at T10 and buy them one-off if you need really large ones. Yes, there are number of places that use e-Torx. One that comes immediately to mind is the bolts that hold the various drive shaft flanges.
Last edited by Opie55; 07-12-2023 at 08:22 AM..
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