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2021 BMW M440i
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Timing Belts, Chains, Cams & Related Parts
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  • OEM (Genuine) 2021 BMW M440i Timing Chain Tensioner

    PartNumber: 11-31-8-631-848
    OEM 2021 BMW M440i Timing Chain Tensioner - 11-31-8-631-848
    Product Specifications
    • Notes: M440i
    • Other Names: Tensioner, Tensioner Arm, Timing Tensioner
    • Fitment Type: Direct Replacement
    • Part Description: Timing Chain Tensioner
    More Info
    $70.75 MSRP: $93.55
    You Save: $22.80 (25%)
  • OEM (Genuine) 2021 BMW M440i MECHANICAL BELT TENSIONER

    PartNumber: 11-28-7-952-899
    OEM 2021 BMW M440i MECHANICAL BELT TENSIONER - 11-28-7-952-899
    Product Specifications
    • Notes: W/O M4
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 7.2 x 7.7 x 6.5 inches
    • Item Weight: 2.30 Pounds
    • Part Description: MECHANICAL BELT TENSIONER
    More Info
    $133.94 MSRP: $178.55
    You Save: $44.61 (25%)