算了下4/32“在18‘的轮胎上大致是有1%的周长差,这个1%周长宽容差没有见过BMW的书面文字,有个说这事儿的帖子挺有意思
http://f30.bimmerpost.com/forums/showthread.php?t=1142647
这是其中的一个回复
http://f30.bimmerpost.com/forums/showpost.php?p=18151097&postcount=15
For me, $20-$30 shaving service is just for peace of mind, I wouldn't buy a BMW SA says。