This product is shipped from China and the shipping time takes 15 to 20 days fits bmw m2 m3 m4 calipers rear Left&right fit caliper：M3 34206855481 34206855483 34206855485 34216799461 34216860737 34206855482 34206855484 34206855486 34216799462 34216860738 fit caliper：m2 f87 34218046261 34218046262 2piston calipers 44mm(NOT FIT 40MM) Kit includes 4 boots, 4 seals.
