BMW Injector Socket Set This set of sockets is designed for BMW’s with N54, N63, and S63 engines. . With limited space in the engine compartment and injectors that are damaged easily it is important to have the correct flair nut socket to work on the fuel lines. . This set of sockets is designed to work in these tight spaces allowing easy accurate torqueing of the high-pressure fuel lines.. Features. Socket design easy accurate torqueing.. Open side allows over 180° rotation.. Thin enough to fit injector with wire loom attached.. Short enough to fit between engine and fender well 13400 Yes - DI(2-ETHYLHEXYL)PHTHALATE (DEHP)