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Replacement and OEM Parts for BMW X3 Belt Tensioner
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BMW X3 Belt Tensioner

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  • OEM (Genuine) BMW X3 Chain Tensioner And Guide Rail

    PartNumber: 11-31-7-585-020
    OEM BMW X3 Chain Tensioner And Guide Rail - 11-31-7-585-020
    Product Specifications
    • Other Names: Rail & Guide Assembly, Tensioner, Tensioner Guide
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 11-31-7-542-836
    • Part Description: BMW X3 Chain Tensioner And Guide Rail
    More Info
    $74.79 MSRP: $98.89
    You Save: $24.10 (25%)
  • OEM (Genuine) BMW X3 Serpentine Belt Idler Pulley

    PartNumber: 11-28-7-535-860
    OEM BMW X3 Serpentine Belt Idler Pulley - 11-28-7-535-860
    Product Specifications
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW X3 Serpentine Belt Idler Pulley
    More Info
    $55.74 MSRP: $78.79
    You Save: $23.05 (30%)
  • Gates Drivealign OE Exact Automatic Belt Tensioner for BMW X3 - 39112

    Gates® Drivealign OE Exact Automatic Belt Tensioner for BMW X3

    PartNumber: 39112
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Thermoplastic
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 70 mm
    • Pulley 1 Flanged: No
    • UPC: 770075523086
    • Width: 26 mm
    • Part Description: BMW X3 Drivealign OE Exact Automatic Belt Tensioner
    More Info
    $110.34
  • Dayco No Slack Automatic Belt Tensioner Assembly for BMW X3 - 89345

    Dayco® No Slack Automatic Belt Tensioner Assembly for BMW X3

    PartNumber: 89345
    Product Specifications
    • Belt Type: Serpentine
    • Direction: Counter Clock Wise
    • Number Of Pulleys: 1
    • Pulley 1 Diameter: 70
    • Pulley 1 Flat: Y
    • Pulley 1 Width: 25
    • UPC: 036687425508
    • Part Description: BMW X3 No Slack Automatic Belt Tensioner Assembly
    More Info
    $104.74
  • OEM (Genuine) BMW X3 Belt Tensioner Pulley

    PartNumber: 11-28-1-748-131
    OEM BMW X3 Belt Tensioner Pulley - 11-28-1-748-131
    Product Specifications
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 11-28-1-726-343
    • Part Description: BMW X3 Belt Tensioner Pulley
    More Info
    $50.49 MSRP: $71.36
    You Save: $20.87 (30%)
  • SKF Accessory Belt Tensioner Adjuster Assembly for BMW X3 - ACT38202

    SKF® Accessory Belt Tensioner Adjuster Assembly for BMW X3

    PartNumber: ACT38202
    Product Specifications
    • Quantity Per Application: 1
    • UPC: 085311519762
    • Part Description: BMW X3 Accessory Belt Tensioner Adjuster Assembly
    More Info
    $84.28
  • VAICO Drive Belt Tensioner Assembly for BMW X3 - V20-2637

    VAICO® Drive Belt Tensioner Assembly for BMW X3

    PartNumber: V20-2637
    Product Specifications
    • Length [mm]: 154
    • Outer diameter [mm]: 65
    • Packaging Depth [cm]: 13
    • Packaging height [cm]: 13,2
    • Packaging width [cm]: 12
    • Weight [kg]: 1,0609
    • Width [mm]: 26
    • Part Description: BMW X3 Drive Belt Tensioner Assembly
    More Info
    $113.17
  • Gates Drivealign OE Exact Automatic Belt Tensioner for BMW X3 - 39191

    Gates® Drivealign OE Exact Automatic Belt Tensioner for BMW X3

    PartNumber: 39191
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Thermoplastic
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 2.56"
    • Pulley 1 Flanged: No
    • UPC: 770075685654
    • Width: 25 mm
    • Part Description: BMW X3 Drivealign OE Exact Automatic Belt Tensioner
    More Info
    $114.98
  • Dayco No Slack Automatic Belt Tensioner Assembly for BMW X3 - 89399

    Dayco® No Slack Automatic Belt Tensioner Assembly for BMW X3

    PartNumber: 89399
    Product Specifications
    • Belt Type: Serpentine
    • Direction: Counter Clock Wise
    • Number Of Pulleys: 1
    • Pulley 1 Diameter: 70
    • Pulley 1 Flat: Y
    • Pulley 1 Width: 26
    • UPC: 036687728630
    • Part Description: BMW X3 No Slack Automatic Belt Tensioner Assembly
    More Info
    $87.33
  • OEM (Genuine) BMW X3 Mechanical Belt Tensioner

    PartNumber: 11-28-8-624-196
    OEM BMW X3 Mechanical Belt Tensioner - 11-28-8-624-196
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 7.3 x 7.4 x 6.6 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 11-28-7-530-314
    • Part Description: BMW X3 Mechanical Belt Tensioner
    More Info
    $133.94 MSRP: $178.55
    You Save: $44.61 (25%)
  • VAICO Drive Belt Tensioner Assembly for BMW X3 - V20-1840

    VAICO® Drive Belt Tensioner Assembly for BMW X3

    PartNumber: V20-1840
    Product Specifications
    • Length [mm]: 142
    • Outer diameter [mm]: 70
    • Packaging height [cm]: 9
    • Packaging width [cm]: 8,3
    • Weight [kg]: 0,857
    • Width [mm]: 26
    • Part Description: BMW X3 Drive Belt Tensioner Assembly
    More Info
    $71.39
  • Gates Drivealign OE Exact Drive Belt Tensioner Assembly for BMW X3 - 39389

    Gates® Drivealign OE Exact Drive Belt Tensioner Assembly for BMW X3

    PartNumber: 39389
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Thermoplastic
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 2.76"
    • Pulley 1 Flanged: No
    • UPC: 770075717454
    • Width: 32 mm
    • Part Description: BMW X3 Drivealign OE Exact Drive Belt Tensioner Assembly
    More Info
    $106.11
  • Dayco Drive Belt Tensioner Assembly for BMW X3 - 89728

    Dayco® Drive Belt Tensioner Assembly for BMW X3

    PartNumber: 89728
    Product Specifications
    • Belt Type: Serpentine
    • Direction: Counter Clock Wise
    • Number Of Pulleys: 1
    • Pulley 1 Diameter: 70
    • Pulley 1 Flat: Y
    • Pulley 1 Width: 32.2
    • UPC: 036687957627
    • Part Description: BMW X3 Drive Belt Tensioner Assembly
    More Info
    $76.15
  • OEM (Genuine) BMW X3 Timing Chain Tensioner

    PartNumber: 11-28-7-838-797
    OEM BMW X3 Timing Chain Tensioner - 11-28-7-838-797
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner, Tensioner
    • Item Weight: 2.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 11-28-1-722-789, 11-28-1-748-832, 11-28-1-427-252, 11-28-1-735-899
    • Part Description: BMW X3 Timing Chain Tensioner
    More Info
    $246.10 MSRP: $330.79
    You Save: $84.69 (26%)
  • Gates Drivealign OE Exact Automatic Belt Tensioner for BMW X3 - 38384

    Gates® Drivealign OE Exact Automatic Belt Tensioner for BMW X3

    PartNumber: 38384
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Thermoplastic
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 2.76"
    • Pulley 1 Flanged: No
    • UPC: 770075281924
    • Width: 25 mm
    • Part Description: BMW X3 Drivealign OE Exact Automatic Belt Tensioner
    More Info
    $84.82
  • Dayco No Slack Mechanical Automatic Belt Tensioner Assembly for BMW X3 - 89342

    Dayco® No Slack Mechanical Automatic Belt Tensioner Assembly for BMW X3

    PartNumber: 89342
    Product Specifications
    • Belt Type: Serpentine
    • Direction: Counter Clock Wise
    • Number Of Pulleys: 1
    • Pulley 1 Diameter: 70
    • Pulley 1 Flat: Y
    • Pulley 1 Width: 26
    • UPC: 036687425430
    • Part Description: BMW X3 No Slack Mechanical Automatic Belt Tensioner Assembly
    More Info
    $56.03
  • OEM (Genuine) BMW X3 Timing Chain Tensioner

    PartNumber: 11-31-7-617-475
    OEM BMW X3 Timing Chain Tensioner - 11-31-7-617-475
    Product Specifications
    • Other Names: Tensioner, Timing Tensioner
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 11-31-8-622-486
    • Part Description: BMW X3 Timing Chain Tensioner
    More Info
    $68.69 MSRP: $90.82
    You Save: $22.13 (25%)
  • Gates Drivealign OE Exact Automatic Belt Tensioner for BMW X3 - 38221

    Gates® Drivealign OE Exact Automatic Belt Tensioner for BMW X3

    PartNumber: 38221
    Product Specifications
    • Number Of Pulleys: 0
    • OE Comparison Rating: OE Exact
    • UPC: 072053163445
    • Part Description: BMW X3 Drivealign OE Exact Automatic Belt Tensioner
    More Info
    $61.44
  • Dayco No Slack Hydraulic Automatic Belt Tensioner Assembly for BMW X3 - 89352

    Dayco® No Slack Hydraulic Automatic Belt Tensioner Assembly for BMW X3

    PartNumber: 89352
    Product Specifications
    • Belt Type: Serpentine
    • Direction: Linear
    • Number Of Pulleys: 0
    • UPC: 036687424488
    • Part Description: BMW X3 No Slack Hydraulic Automatic Belt Tensioner Assembly
    More Info
    $56.93
  • OEM (Genuine) BMW X3 Timing Chain Tensioner

    PartNumber: 11-31-8-685-091
    OEM BMW X3 Timing Chain Tensioner - 11-31-8-685-091
    Product Specifications
    • Other Names: Tensioner
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 11-31-7-567-680, 11-31-1-439-851
    • Part Description: BMW X3 Timing Chain Tensioner
    More Info
    $67.42 MSRP: $89.15
    You Save: $21.73 (25%)
  • Gates Drivealign Automatic Belt Tensioner for BMW X3 - 38201

    Gates® Drivealign Automatic Belt Tensioner for BMW X3

    PartNumber: 38201
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Thermoplastic
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Performance
    • Outside Diameter: 70 mm
    • Pulley 1 Flanged: No
    • UPC: 072053879995
    • Width: 26 mm
    • Part Description: BMW X3 Drivealign Automatic Belt Tensioner
    More Info
    $56.75
  • OEM (Genuine) BMW X3 Mechanical Belt Tensioner

    PartNumber: 11-28-8-604-266
    OEM BMW X3 Mechanical Belt Tensioner - 11-28-8-604-266
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner, Tensioner
    • Item Dimensions: 7.7 x 7.5 x 6.7 inches
    • Item Weight: 2.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 11-28-7-599-097
    • Part Description: BMW X3 Mechanical Belt Tensioner
    More Info
    $133.94 MSRP: $178.55
    You Save: $44.61 (25%)
  • OEM (Genuine) BMW X3 Mechanical Belt Tensioner

    PartNumber: 11-28-8-580-360
    OEM BMW X3 Mechanical Belt Tensioner - 11-28-8-580-360
    Product Specifications
    • 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: BMW X3 Mechanical Belt Tensioner
    More Info
    $140.63 MSRP: $187.47
    You Save: $46.84 (25%)
  • OEM (Genuine) BMW X3 Mechanical Belt Tensioner

    PartNumber: 11-28-7-594-969
    OEM BMW X3 Mechanical Belt Tensioner - 11-28-7-594-969
    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 X3 Mechanical Belt Tensioner
    More Info
    $133.94 MSRP: $178.55
    You Save: $44.61 (25%)
  • OEM (Genuine) BMW X3 Adjusting Pulley

    PartNumber: 11-28-7-512-758
    OEM BMW X3 Adjusting Pulley - 11-28-7-512-758
    Product Specifications
    • Item Weight: 2.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW X3 Adjusting Pulley
    More Info
    $135.26 MSRP: $192.74
    You Save: $57.48 (30%)
  • OEM (Genuine) BMW X3 Hydraulic Belt Tensioner

    PartNumber: 11-28-1-717-188
    OEM BMW X3 Hydraulic Belt Tensioner - 11-28-1-717-188
    Product Specifications
    • Item Weight: 2.10 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW X3 Hydraulic Belt Tensioner
    More Info
    $117.59 MSRP: $155.47
    You Save: $37.88 (25%)
  • OEM (Genuine) BMW X3 MECHANICAL BELT TENSIONER

    PartNumber: 11-28-9-455-975
    OEM BMW X3 MECHANICAL BELT TENSIONER - 11-28-9-455-975
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 7.4 x 7.2 x 6.2 inches
    • Item Weight: 2.30 Pounds
    • Part Description: BMW X3 MECHANICAL BELT TENSIONER
    More Info
    $140.63 MSRP: $187.47
    You Save: $46.84 (25%)
  • OEM (Genuine) BMW X3 Mechanical Belt Tensioner

    PartNumber: 11-28-7-810-807
    OEM BMW X3 Mechanical Belt Tensioner - 11-28-7-810-807
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 7.6 x 7.2 x 6.3 inches
    • Item Weight: 2.30 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW X3 Mechanical Belt Tensioner
    More Info
    $133.94 MSRP: $178.55
    You Save: $44.61 (25%)
  • OEM (Genuine) BMW X3 Mechanical Belt Tensioner

    PartNumber: 11-28-8-620-022
    OEM BMW X3 Mechanical Belt Tensioner - 11-28-8-620-022
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 7.5 x 7.3 x 6.2 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 11-28-7-582-761
    • Part Description: BMW X3 Mechanical Belt Tensioner
    More Info
    $133.94 MSRP: $178.55
    You Save: $44.61 (25%)
  • OEM (Genuine) BMW X3 Engine Timing Chain Tensioner

    PartNumber: 11-31-1-738-700
    OEM BMW X3 Engine Timing Chain Tensioner - 11-31-1-738-700
    Product Specifications
    • Other Names: Tensioner
    • Item Dimensions: 10.2 x 6.3 x 2.0 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW X3 Engine Timing Chain Tensioner
    More Info
    $85.56 MSRP: $113.13
    You Save: $27.57 (25%)
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About BMW X3 Belt Tensioner

The first-generation BMW X3 was designed in conjunction with Magna Steyr of Graz, who was the designer of all models under the contract. During the development of the BMW X3, many popular parts have been built, such as the belt tensioner. It makes sure that the drive belt has enough tension. A faulty BMW X3 belt tensioner can cause the car to have grinding noises, cracks, and worn-out drive belt edges.
BMW X3 has many merits. But problems arise after the belt tensioner has been used for a long period. The belt tensioner ensures the belt has the correct tension throughout the belt routing. The removal process is as follows. Remove accessories in the way if needed (water pump, alternator, radiator hoses). Next, remove the belts from the accessories. Then, remove the mounting bolts for the belt tensioner, pull the tensioner away from its location, and compare it to the new unit. Our large assortment covers the majority of classic vehicles. From the body parts to the performance parts, a long catalog of advanced BMW X3 products is given online.