Features: 1.Compatibility: Slip ring is replacement for Bosch Alternators, fit for Z3 1998?2000, fit for 323i 325i 320i 1992?1999, fit for M3 1994?1999, fit for 525i 1993?1995. 2.Excellent Features: Compact size, easy to carry and use, high precision, not easy to age and deformation, practical to use. 3.Durable Construction: The slip ring is made of ABS and copper, which is hardness, sturdy and durable, long service life. 4.Outstanding Performance: Professional manufacturing, fine workmanship, not easy to break, not easy to age, stable performance and reliability. 5.Ideal Replacemen: Easy installation, replace the old or broken one, simple and elegant appearance, match well with the car. Specification: Item Type: Car Slip Ring_x000D_ Material: ABS and copper_x000D_ Applicable Models:_x000D_ Replacement for Bosch Alternators_x000D_ Fit for Z3 1998?2000_x000D_ Fit for 323i 325i 320i 1992?1999_x000D_ Fit for M3 1994?1999_x000D_ Fit for 525i 1993?1995