<p>Includes: - 170A Alternator</p> <p>Fits Models: - BMW Z4</p> <p>Model Years: - 2009–2016</p> <p>Submodels: - Common trims include sDrive30i, sDrive35i, sDrive35is - Chassis codes: E89 - Body style: Convertible, Coupe</p> <p>Engine Options: - 3.0L Inline-6 (N52B30, N54B30)</p> <p>Description: This 170A alternator is designed for the BMW Z4 models from 2009 to 2016, providing reliable electrical power for your vehicle's systems. It is a direct replacement for the original part number 12-31-7-558-218 and is compatible with various engine configurations.</p> <p>Features: - High output of 170 amps - Direct fit for easy installation - OEM quality for reliable performance - Compatible with multiple Z4 trims - Ensures optimal electrical system functionality</p> <p>Part Number: 12-31-7-558-218</p>