Rein RSW0021 Serpentine Belt Drive Component Kit

Overview of Rein Serpentine Belt Drive Component Kit

The Rein Serpentine Belt Drive Component Kit (Part Number RSW0021) is designed specifically for BMW 535i, 535i xDrive, and 535xi models. This application-specific kit includes all necessary components to ensure a complete and reliable accessory drive system replacement.

Key Features of Rein RSW0021 Kit

• Complete kit with all components included in one box for convenience
• OE quality components for reliable performance
• Water pump supplied with all required gaskets for proper installation
• OE designed bearings engineered for extended service life
• Plastic impeller water pump designed for efficient cooling
• Belt length of 73.23 inches (1860 mm) tailored for specific BMW applications

Detailed Product Description

The Rein RSW0021 serpentine belt drive component kit is engineered to meet the exact specifications of BMW 535i, 535i xDrive, and 535xi vehicles. This kit includes a water pump with a plastic impeller and all necessary gaskets, ensuring a proper seal and fit. The included bearings are OE designed to provide durability and long-term reliability. The belt length of 73.23 inches (1860 mm) matches the factory requirements, ensuring optimal tension and performance. All components come packaged together in a single box, simplifying the replacement process and reducing the risk of missing parts.

Common Applications and Issues Addressed

• Replacement of worn or damaged serpentine belts in BMW 535i and xDrive models
• Water pump failure or leaks affecting engine cooling
• Noise or rough operation caused by failing accessory drive bearings
• Preventative maintenance to avoid accessory drive system breakdown
• Restoring proper belt tension and alignment for accessory components

Installation Notes and Tips

• Ensure compatibility with BMW 535i, 535i xDrive, and 535xi before installation
• Use the included gaskets when installing the water pump to prevent leaks
• Check belt routing and tension according to manufacturer specifications
• Inspect pulleys and accessory components for wear during installation
• Follow torque specifications for all fasteners to ensure secure assembly

Quality Assurance and Warranty

Rein RSW0021 kit components are manufactured to OE quality standards, providing reliable fit and function. The water pump includes OE designed bearings and a plastic impeller engineered for durability. This kit is made in Germany, reflecting strict quality control processes. While specific warranty details should be confirmed with the distributor, Rein products typically come with a limited warranty covering defects in materials and workmanship.