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  • $133.94 MSRP: $178.55
    You Save: $44.61 (25%)
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 7.8 x 7.5 x 6.4 inches
    • Item Weight: 2.30 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW 428i Mechanical Belt Tensioner
    More Info

About BMW 428i Idler Pulley

The BMW 428i is a mid-size line of cars produced by the German automaker BMW. During the development of the BMW 428i, many popular parts have been built, including the idler pulley. There can be one or more idler pulleys along the timing chain and each can come in different sizes.
The BMW 428i has lots of auto parts with impressive performance. But the idler pulley still needs repair and maintenance after a long time of usage. An idler pulley provides tension and helps guide the belt to the proper routing. The removal process for an idler pulley is as follows. First, open the hood. Next, remove the engine drive belt. Then locate the idler pulley. Last, remove the mounting bolt for the idler pulley and remove the pulley from the engine. There are plenty of inexpensive and quality BMW 428i parts online. Customers could reach our site and get performance products from the BMW 428i every day.

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