It sounds like you are describing the tie rod that goes into the wheel spindle. If it is the tie rod then when the boot tears the grease inside will leak out. What color is the fluid that is leaking? Can you take a picture? __________________ ~Dave~ 98 328ti Morea Grun slicktop 11 128i space gray slicktop 13 JGC WK2 Deep Cherry Search | RealOEM |