11 28 2 354 131 : Idler pulley for BMW X5 E53

This water pump and alternator idler pulley is designed for the BMW X5 E53 equipped with the 3.0 d M57 engine. An essential component of the auxiliary belt drive system, it guides and maintains the correct tension of the belt driving the water pump and alternator. As part of the restoration or routine maintenance of a classic vehicle, its preventive replacement helps avoid any risk of belt breakage and preserves the proper functioning of the cooling and charging circuits. This new part guarantees a restoration in accordance with original specifications.