11 28 2 354 130 : Belt tensioner pulley alternator / water pump for BMW X5 E53

This belt tensioner pulley ensures proper tension of the accessories belt connecting the alternator and water pump on the BMW X5 E53 equipped with the 3.0 d M57 engine. As part of the restoration or maintenance of a classic vehicle, replacing this component is essential to ensure proper operation of auxiliary systems and prevent premature belt breakage. Correct belt tension also contributes to the longevity of the components it drives. New part, compliant with original specifications for the BMW X5 E53.