This pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications 2007-2012 BMW 135I, 335XI, 335I, 335XI, 535I, 535XI, M1 with 3.0L (Lower Pulley). This pulley conforms to original equipment material, tolerances, and specifications. The part is made in France using the O.E. specified design and meets all performance and durability requirements. This pulley is made with Heavy duty thermoplastic construction for long life and trouble-free performance.