URO 11287578674 Accessory Drive Belt Idler Pulley - Upper

Accessory Drive Belt Idler Pulley for BMW

This URO accessory drive belt idler pulley is a direct-fit replacement for select BMW models with upper pulley applications. It is built to meet or exceed OEM specifications for European vehicle repair and service, making it a practical choice for maintaining proper belt routing and accessory drive operation.

Compatible with BMW X1, BMW 135i, BMW 135is, BMW 335i, and BMW 335i xDrive applications listed below. Part number 11287578674 is also referenced in aftermarket catalogs for the same fitment.

Key Features

• Accessory drive belt idler pulley for the belt and cooling system category
• Upper position application
• OE-style replacement for select BMW models
• URO Parts replacement component for European vehicles
• Cross-reference part numbers include Continental 50081 and Gates 36799

Detailed Description

URO Parts, manufactured by A.P.A., supplies replacement components for European vehicles that are engineered to meet or exceed OEM specifications. This accessory drive belt idler pulley is intended for service on select BMW models where the upper idler pulley supports proper accessory belt tracking and tension management. If you are replacing a worn BMW X1 idler pulley or servicing a BMW 335i accessory drive belt system, part number 11287578674 provides a direct replacement option.

This part cross-references Continental 50081 and Gates 36799 for the same application.

What It Helps Fix

• Belt noise from a worn or rough idler pulley bearing
• Accessory belt misalignment or tracking issues
• Visible pulley wear, wobble, or uneven rotation
• Reduced belt stability in the upper drive belt path
• Service needs on BMW accessory drive belt system components

Installation Notes and Tips

Verify the upper pulley location and compare the original pulley to part number 11287578674 before installation. Inspect the accessory belt, tensioner, and adjacent pulleys for wear at the same time to avoid repeat service. Confirm vehicle application by model year and engine configuration before ordering.

Quality Assurance

URO Parts components are produced for European vehicle repair and are positioned as OEM-spec replacement parts for professional and DIY use. A.P.A. also offers URO Premium upgraded components for problem-prone OEM designs, and those premium products are backed by an unlimited mileage, lifetime warranty.

• Fits 2013-2015 BMW X1, Upper
• Fits 2011-2013 BMW 135i, Upper
• Fits 2013 BMW 135is, Upper
• Fits 2011-2013 BMW 335i, Upper
• Fits 2011-2013 BMW 335i xDrive, Upper