lizard skin, best £5 you will spend
https://www.halfords.com/cycling/bi...otection/lizard-skins-neo-chainstay-protector
This, with a strip of helicopter tape across the horizontal tube underneath
But I use the survival Duck ones
https://www.survivalduck.com/product/neoprene-chainstay-protector/
The BMW does look the wrong way round to protect the centre stand