All parts are OEM BMW. Except bearing (premium quality KOYO). Spring pin is made custom the dimensions are the same as OEM.
Spring pin is made from hardened steel, and it have locking grooves for safe and easy install. Drawing will be send out with the package. You can send me Your smg bellhousig. The listing for plug and play option, option only with machining, and option with machining, conversation parts but without install.. If You have some questions feel free to ask.This item is in the category "Vehicle Parts & Accessories\Car Parts & Accessories\Other Car Parts & Accessories". The seller is "legitparts" and is located in this country: LV. This item can be shipped worldwide.