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Timing Belts, Chains, Cams & Related Parts
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OEM (Genuine) BMW X3 Chain Tensioner And Guide Rail
PartNumber: 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
$75.53 MSRP:$99.87You Save: $24.34 (25%)
OEM (Genuine) BMW X3 Serpentine Belt Idler Pulley
PartNumber: 11-28-7-535-860
Product Specifications- Item Weight: 1.20 Pounds
- Fitment Type: Direct Replacement
- Part Description: BMW X3 Serpentine Belt Idler Pulley
$55.74 MSRP:$78.79You Save: $23.05 (30%)
Gates® Drivealign OE Exact Automatic Belt Tensioner for BMW X3
PartNumber: 39112Product 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
$107.03
Dayco® No Slack Automatic Belt Tensioner Assembly for BMW X3
PartNumber: 89345Product 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
$81.49
OEM (Genuine) BMW X3 Belt Tensioner Pulley
PartNumber: 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
$51.66 MSRP:$73.02You Save: $21.36 (30%)
SKF® Accessory Belt Tensioner Adjuster Assembly for BMW X3
PartNumber: ACT38202Product Specifications- Quantity Per Application: 1
- UPC: 085311519762
- Part Description: BMW X3 Accessory Belt Tensioner Adjuster Assembly
$84.28
VAICO® Drive Belt Tensioner Assembly for BMW X3
PartNumber: V20-2637Product 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
$113.40
Gates® Drivealign OE Exact Automatic Belt Tensioner for BMW X3
PartNumber: 39191Product 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
$111.53
Dayco® No Slack Automatic Belt Tensioner Assembly for BMW X3
PartNumber: 89399Product 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
$87.33
OEM (Genuine) BMW X3 Mechanical Belt Tensioner
PartNumber: 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
$133.94 MSRP:$178.55You Save: $44.61 (25%)
VAICO® Drive Belt Tensioner Assembly for BMW X3
PartNumber: V20-1840Product 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
$71.52
Gates® Drivealign OE Exact Drive Belt Tensioner Assembly for BMW X3
PartNumber: 39389Product 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
$102.92
OEM (Genuine) BMW X3 Timing Chain Tensioner
PartNumber: 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
$246.10 MSRP:$330.79You Save: $84.69 (26%)
Gates® Drivealign OE Exact Automatic Belt Tensioner for BMW X3
PartNumber: 38384Product 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
$82.28
Dayco® No Slack Mechanical Automatic Belt Tensioner Assembly for BMW X3
PartNumber: 89342Product 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
$56.03OEM (Genuine) BMW X3 Timing Chain Tensioner
PartNumber: 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
$70.75 MSRP:$93.55You Save: $22.80 (25%)
Gates® Drivealign OE Exact Automatic Belt Tensioner for BMW X3
PartNumber: 38221Product Specifications- Number Of Pulleys: 0
- OE Comparison Rating: OE Exact
- UPC: 072053163445
- Part Description: BMW X3 Drivealign OE Exact Automatic Belt Tensioner
$45.96
Dayco® No Slack Hydraulic Automatic Belt Tensioner Assembly for BMW X3
PartNumber: 89352Product Specifications- Belt Type: Serpentine
- Direction: Linear
- Number Of Pulleys: 0
- UPC: 036687424488
- Part Description: BMW X3 No Slack Hydraulic Automatic Belt Tensioner Assembly
$56.93OEM (Genuine) BMW X3 Timing Chain Tensioner
PartNumber: 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
$69.44 MSRP:$91.82You Save: $22.38 (25%)
Gates® Drivealign Automatic Belt Tensioner for BMW X3
PartNumber: 38201Product 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
$55.06
OEM (Genuine) BMW X3 Mechanical Belt Tensioner
PartNumber: 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
$133.94 MSRP:$178.55You Save: $44.61 (25%)
OEM (Genuine) BMW X3 Mechanical Belt Tensioner
PartNumber: 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
$140.63 MSRP:$187.47You Save: $46.84 (25%)
OEM (Genuine) BMW X3 Mechanical Belt Tensioner
PartNumber: 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
$133.94 MSRP:$178.55You Save: $44.61 (25%)
OEM (Genuine) BMW X3 Adjusting Pulley
PartNumber: 11-28-7-512-758
Product Specifications- Item Weight: 2.40 Pounds
- Fitment Type: Direct Replacement
- Part Description: BMW X3 Adjusting Pulley
$138.37 MSRP:$197.17You Save: $58.80 (30%)
OEM (Genuine) BMW X3 Hydraulic Belt Tensioner
PartNumber: 11-28-1-717-188
Product Specifications- Item Weight: 2.10 Pounds
- Fitment Type: Direct Replacement
- Part Description: BMW X3 Hydraulic Belt Tensioner
$117.59 MSRP:$155.47You Save: $37.88 (25%)
OEM (Genuine) BMW X3 MECHANICAL BELT TENSIONER
PartNumber: 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
$140.63 MSRP:$187.47You Save: $46.84 (25%)
OEM (Genuine) BMW X3 Mechanical Belt Tensioner
PartNumber: 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
$133.94 MSRP:$178.55You Save: $44.61 (25%)
OEM (Genuine) BMW X3 Mechanical Belt Tensioner
PartNumber: 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
$133.94 MSRP:$178.55You Save: $44.61 (25%)OEM (Genuine) BMW X3 Engine Timing Chain Tensioner
PartNumber: 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
$88.14 MSRP:$116.53You Save: $28.39 (25%)
OEM (Genuine) BMW X3 Base Plate
PartNumber: 11-28-1-726-774
Product Specifications- Other Names: Base, Belt Tensioner, Mount Plate, Support Plate
- Item Weight: 1.50 Pounds
- Fitment Type: Direct Replacement
- Part Description: BMW X3 Base Plate
$112.56 MSRP:$144.17You Save: $31.61 (22%)
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Next >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.