URO 11287530314 Accessory Drive Belt Tensioner

Overview of URO Accessory Drive Belt Tensioner

The URO Accessory Drive Belt Tensioner (Part Number 11287530314) is engineered for precise belt tension control in BMW vehicles. Designed with durable aluminum construction, this tensioner supports serpentine belt systems for reliable performance across multiple BMW models.

• Constructed from lightweight, corrosion-resistant aluminum
• Compatible with serpentine belt systems
• Single smooth contact surface pulley for consistent belt engagement
• Dimensions: 2.76" outside diameter, 0.475" inside diameter, 1.02" width
• Pulley specifications: 70.13 mm outside diameter, 12.5 mm inside diameter, 25.96 mm width
• Non-flanged pulley design with one pulley and zero grooves

Technical Details and Specifications

This accessory drive belt tensioner is specifically designed to maintain optimal tension on serpentine belts in BMW models such as the 128i, 325i, 328i, 330i, 525i, 528i, 530i, X3, X5, and Z4. The aluminum material offers a balance of strength and weight reduction, contributing to efficient engine operation. The smooth contact surface on the pulley ensures minimal belt wear and consistent tensioning, while the single pulley design simplifies installation and maintenance.

Compatible BMW Models and Applications

Compatible with a range of BMW vehicles, this tensioner fits models including the 128i, 325i, 325xi, 328i, 328i xDrive, 328xi, 330i, 330xi, 525i, 525xi, 528i, 528i xDrive, 528xi, 530i, 530xi, X3, X5, and Z4. It is ideal for use in accessory drive belt systems requiring precise tension control to maintain proper engine accessory function.

Common Issues Addressed by This Tensioner

• Eliminates belt slippage caused by worn or loose tensioners
• Prevents premature serpentine belt wear and damage
• Reduces noise from belt misalignment or improper tension
• Maintains consistent accessory drive performance
• Helps avoid engine overheating due to accessory belt failure

Installation Notes and Tips

Installation of the URO Accessory Drive Belt Tensioner (11287530314) requires proper alignment with the serpentine belt routing. Ensure the belt is correctly seated on the smooth pulley surface and verify tension after installation. Use appropriate tools to avoid damage to the aluminum housing and pulley. Refer to the vehicle’s service manual for torque specifications and belt routing diagrams specific to your BMW model.

Quality Assurance and Warranty

Manufactured to meet OEM standards, this URO tensioner undergoes rigorous quality control to ensure durability and reliable performance. The aluminum construction resists corrosion and wear under normal operating conditions. Warranty coverage details should be confirmed at the time of purchase, typically aligning with industry standards for replacement automotive parts.