Features: 1. Compatibility: Slip ring is replacement for Bosch Alternators, fits Z3 1998-2000, fits 323i 325i 320i 1992-1999, fits M3 1994-1999, fits 525i 1993-1995. 2. Excellent Features: Compact size, easy to carry and use, high precision, not easy to age or deform, practical to use. 3. Durable Construction: The slip ring is made of ABS and copper, offering hardness, sturdiness, and durability with a long service life. 4. Outstanding Performance: Professionally manufactured with fine workmanship, not easy to break or age, provides stable performance and reliability. 5. Ideal Replacement: Easy installation, replaces old or broken units, features a simple and elegant appearance that matches well with the car. Specification: Item Type: Car Slip Ring Material: ABS and Copper Applicable Models: - Replacement for Bosch Alternators - Fits Z3 1998-2000 - Fits 323i 325i 320i 1992-1999 - Fits M3 1994-1999 - Fits 525i 1993-1995