Vaico V20-0208 Accessory Drive Belt Tensioner Assembly - Alternator and Water Pump

Accessory Drive Belt Tensioner for BMW Applications

The Vaico V20-0208 accessory drive belt tensioner assembly is built for BMW serpentine belt systems that rely on stable belt tension for accessory operation. With OE reference 11287838797, it serves as a direct-fit replacement for a wide range of BMW 3 Series, 5 Series, X3, X5, Z3, and Z4 applications.

VAICO focuses on OE-style replacement parts for European vehicles, and this VAICO line component is specified for accessory drive belt service where correct pulley alignment and tension control are critical.

Key Features

• Accessory drive belt tensioner assembly for serpentine belt systems
• OE reference: 11287838797
• Outer diameter: 70 mm
• Width: 89 mm
• Height: 136.2 mm
• Length: 70 mm
• Weight: 0.930 kg
• Fits BMW models including 325Ci, 330Ci, X3, X5, 325i, 330i, 525i, 530i, Z3, and Z4

Detailed Description

Use the Vaico V20-0208 when replacing a worn or noisy accessory drive belt tensioner on BMW vehicles with the OE number 11287838797. This part is listed for ribbed V-belt and serpentine belt applications, including BMW 325Ci, BMW 330Ci, BMW X3, BMW X5, BMW 325i, BMW 330i, BMW 525i, BMW 530i, BMW Z3, and BMW Z4. It is also listed for BMW 320i, 323Ci, 323i, 323is, 328Ci, 328i, 328is, and 528i applications across the model years shown in the fitment data.

This part cross-references Gates 24535 for the same application. The V20-0208 part number is also associated with aftermarket replacement searches for BMW serpentine belt tensioner assembly, accessory belt tensioner pulley assembly, and OE number 11287838797 replacement.

Common Problems This Part Can Address

• Belt squeal from a worn tensioner assembly
• Uneven belt tracking on the accessory drive system
• Loss of proper serpentine belt tension
• Accessory drive noise from a failing pulley or tensioner mechanism
• Reduced belt stability on BMW engine accessory systems

Installation Notes and Tips

Confirm OE number 11287838797 and match the existing tensioner dimensions before installation. Verify belt routing, pulley alignment, and mounting points during service, especially on BMW 325Ci, BMW 330Ci, and BMW X3 applications. Inspect the serpentine belt and related pulleys at the same time to ensure the accessory drive system operates correctly after replacement.

Quality Assurance

VAICO supplies European vehicle replacement parts with OE-reference-based cataloging for accurate application matching. The V20-0208 is listed with dimensional data and vehicle fitment details to support correct selection for BMW accessory drive belt service.