<div data-store-description="v1"> <p>Belt Tensioner Unit for BMW 330i M3 323i 325i 328i Z4 (1991-2008). Supplied product details follow.</p> <h3>Specifications and fitment</h3> </div> <p>Includes: <br>- Belt Tensioner Assembly</p> <p>Fits Models: <br>- BMW 323i, 325i, 328i, 330i, M3, Z4</p> <p>Model Years: <br>- 1991–2008</p> <p>Submodels: <br>- Common trims include E30 (323i), E36 (325i, 328i), E46 (325i, 330i), E90 (M3), E85/E86 (Z4) <br>- Body styles include Coupe, Convertible, Sedan</p> <p>Engine Options: <br>- Common engine sizes include 2.5L I6 (M50, M52), 3.0L I6 (M54), 3.2L I6 (S54 for M3) <br>- Engine codes may include M50B25, M52B28, M54B30, S54B32</p> <p>Description: <br>This Belt Tensioner Assembly is designed for various BMW models from 1991 to 2008, ensuring optimal performance of your vehicle's serpentine belt system. It is a crucial component that maintains the proper tension on the belt, preventing slippage and wear.</p> <p>Features: <br>- Direct fit for multiple BMW models <br>- Durable construction for long-lasting performance <br>- Ensures proper belt tension for efficient engine operation <br>- Easy installation with no modifications required <br>- Compatible with standard engine options</p>