Product Description

This is a genuine OEM INA Belt Tensioner Assembly (Part Number 11287530314) designed specifically for BMW Z4 and other compatible BMW models including 1, 3, 5, X3, and X5 Series vehicles equipped with the N52 3.0L engine. This critical component maintains optimal serpentine belt tension for your alternator, power steering, and air conditioning systems, preventing slippage and ensuring efficient power transfer throughout your vehicle's accessory drive system. Manufactured to BMW's exact specifications, this tensioner assembly features durable aluminum construction with precision engineering for reliable, long-lasting performance.

Each unit has been professionally inspected, tested, and verified to meet strict quality standards, ensuring perfect fitment and dependable operation. By choosing this OEM part, you're getting the same quality component used by BMW dealerships at a fraction of the cost of buying new, while maintaining the performance and reliability your vehicle deserves. This is an excellent opportunity to restore your BMW's belt system with genuine factory equipment, backed by our commitment to quality and customer satisfaction. Save money without compromising on quality or fitment—this authentic BMW part delivers the precision and durability you expect from genuine OEM components.

  • ✅ 100% tested and verified By Blackline Auto's Quality Team
  • ✅ Genuine OEM, Excellent Condition, inspected and approved
  • ✅ Easy installation

Payment, Shipping & Returns

  •  Payment Policy: We accept only online payment methods, and you can choose any of the options provided by eBay at the time of checkout. If you have any queries or if you require any clarification, please contact us through eBay messaging service.
  •  Shipping Policy: We provide Shipping worldwide to most of the countries using reputed couriers like DHL, FedEx or Aramex.
  •  International Buyers Policy: Import Duties, Taxes and charges are not included in the item price or shipping cost.
  •  Return Policy: We accept 14 days returns. Please clarify all your doubts before purchase.
  •  Handling Time: All packages are shipped within 3 working days.

Trusted by professionals, Blackline Autos supplies premium components for luxury vehicles.
Please confirm the part number before purchase. For compatibility checks or bulk orders, feel free to contact us.