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Timing Belts, Chains, Cams & Related Parts
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OEM (Genuine) BMW M440i xDrive Timing Chain Tensioner
PartNumber: 11-31-8-631-848
Product Specifications- Other Names: Tensioner, Tensioner Arm, Timing Tensioner
- Fitment Type: Direct Replacement
- Part Description: BMW M440i xDrive Timing Chain Tensioner
$70.75 MSRP:$93.55You Save: $22.80 (25%)OEM (Genuine) BMW M440i xDrive Timing Chain Guide Rail
PartNumber: 11-31-8-631-844
Product Specifications- Fitment Type: Direct Replacement
- Part Description: BMW M440i xDrive Timing Chain Guide Rail
$41.01 MSRP:$54.23You Save: $13.22 (25%)OEM (Genuine) BMW M440i xDrive CHAIN TENSIONER
PartNumber: 11-31-8-482-267Product Specifications- Replaces: 11-31-8-631-846
- Part Description: BMW M440i xDrive CHAIN TENSIONER
$33.60 MSRP:$43.05You Save: $9.45 (22%)
OEM (Genuine) BMW M440i xDrive MECHANICAL BELT TENSIONER
PartNumber: 11-28-7-952-899
Product Specifications- Other Names: Belt Tensioner, Serpentine Tensioner
- Item Dimensions: 7.2 x 7.7 x 6.5 inches
- Item Weight: 2.30 Pounds
- Part Description: BMW M440i xDrive MECHANICAL BELT TENSIONER
$133.94 MSRP:$178.55You Save: $44.61 (25%)