The A-Premium Alternator Rectifier Diode is designed to enhance the performance and reliability of your vehicle's electrical system. Compatible with a wide range of BMW models, this diode ensures efficient power generation and regulation. Key Features: - Compatible with BMW 320i, 323is, 325i, 328is, 525i, 540i, 740i, Z3, 840Ci - Enhances power generation and regulation - Durable construction for long-lasting performance Technical Specifications: - Position: Rear - Compatible Models: BMW 3 Series (E46), 5 Series (E39), 7 Series (E38), Z3 - Material: High-quality diode for optimal performance