Tensioner Unit- V Belt (120d, 320d, M47, 330d, M57 Diesel) (BMW 1 Series E81/E87 / 3 Series E90)

R1125.00

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Tensioner Unit- V Belt (120d 320d M47 330d M57 Diesel) (BMW 1 Series E81/E87 / 3 Series E90) is designed for BMW diesel engines in 1 Series E81/E87 and 3 Series E90, ensuring proper V belt tension

Tensioner Unit- V Belt (120d 320d M47 330d M57 Diesel) (BMW 1 Series E81/E87 / 3 Series E90) is listed as an auto-part option. Confirm fitment, part number and compatibility before purchase, especially where vehicle-specific matching is required.

Tensioner Unit- V Belt (120d, 320d, M47, 330d, M57 Diesel) (BMW 1 Series E81/E87 / 3 Series E90) is a crucial component designed to maintain the correct tension on the V belt in specified BMW diesel models. Located in the engine bay, this tensioner ensures proper belt tension to drive accessories such as the alternator, water pump, and air conditioning compressor efficiently.

This particular unit fits BMW 1 Series models E81 and E87, as well as 3 Series E90 with 120d, 320d, and 330d diesel engines using the M47 and M57 engine codes. When replacing your old tensioner, comparing the mounting points and belt routing compatibility is essential. The tensioner must match the exact specifications to avoid belt slippage or premature wear.

Regular inspection and replacement of the tensioner are important for maintaining smooth engine performance. Signs of a failing tensioner include unusual belt noise, slipping belts, or visible wear on the tensioner arm. Choosing this tensioner unit helps maintain proper belt tension alignment and supports the longevity of related engine components.

  • Fits BMW 1 Series E81/E87 and 3 Series E90 diesel models
  • Compatible with M47 and M57 diesel engine variants
  • Essential for proper V belt tension and accessory function

Need help matching this item to your vehicle? Use more V – Belt, Vehicle Parts Finder or Request a Part with your VIN, engine number, part number or clear photos.

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Frequently Asked Questions

Confirm fitment before ordering
Quick answers before you order. If anything is unclear, confirm fitment first using your VIN or part number and avoid mistakes.
Helpful product answers
What vehicles are compatible with the Tensioner Unit- V Belt (120d, 320d, M47, 330d, M57 Diesel)?
This tensioner unit is designed specifically for BMW 1 Series models E81 and E87, as well as BMW 3 Series E90, equipped with diesel engines including the 120d, 320d, M47, 330d, and M57 variants. It ensures proper tension for the V belt in these models to maintain optimal engine performance.
How does the Tensioner Unit- V Belt improve engine performance?
The tensioner unit maintains the correct tension on the V belt, preventing slippage and ensuring efficient power transmission to engine accessories. This helps avoid premature belt wear and reduces the risk of engine overheating or accessory failure, contributing to smoother engine operation.
Is this tensioner unit suitable for petrol engine models?
No, this particular tensioner unit is specified for diesel engine variants listed (120d, 320d, M47, 330d, M57). It is not recommended for petrol engine models as the design and tension requirements differ between diesel and petrol engines.
Can Trade Partners order this tensioner unit directly from Brits Brothers™?
Yes, Trade Partners can order this tensioner unit through Brits Brothers™. For more information on becoming a Trade Partner or placing bulk orders, visit the Trade Partners page. This facilitates streamlined procurement and support.
What should I do if the tensioner unit I received is faulty or incorrect?
If you receive a faulty or incorrect tensioner unit, you should contact Brits Brothers™ promptly to arrange a return or exchange. Their refund and returns policy can be reviewed at Refunds. Timely communication helps ensure a smooth resolution.
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