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2021 BMW M4
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  • OEM (Genuine) 2021 BMW M4 Mechanical Belt Tensioner

    PartNumber: 11-28-8-580-360
    OEM 2021 BMW M4 Mechanical Belt Tensioner - 11-28-8-580-360
    Product Specifications
    • Notes: W/M4
    • Item Dimensions: 7.5 x 7.5 x 6.3 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 11-28-8-570-439
    • Part Description: 2021 BMW M4 Mechanical Belt Tensioner
    More Info
    Vehicle Fitment
    • 2021 BMW M4 | Base, Competition | 6 Cyl 3.0 L GAS
    $140.63 MSRP: $187.47
    You Save: $46.84 (25%)
  • OEM (Genuine) 2021 BMW M4 Deflection Pulley

    PartNumber: 11-28-7-589-361
    OEM 2021 BMW M4 Deflection Pulley - 11-28-7-589-361
    Product Specifications
    • Notes: W/M4
    • Other Names: Idler Pulley, Serpentine Idler Pulley
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2021 BMW M4 Deflection Pulley
    More Info
    Vehicle Fitment
    • 2021 BMW M4 | Base, Competition, CS | 6 Cyl 3.0 L GAS
    $55.74 MSRP: $78.79
    You Save: $23.05 (30%)