The Gates lower belt-drive pulley for 2011–2014 BMW 335i 3.0L six-cylinder applications is a replacement pulley for the lower accessory belt run. It helps guide the belt and maintain correct routing to protect belt-driven accessories. Install as part of belt-drive maintenance when bearing wear or noise leads to misaligned belts or degraded accessory performance.
Gates 11-14 BMW 335I 6-Cyl. 3.0L Lower Belt Drive Pulley