Worn hardware should be replaced before it fails
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Secures the top of the hydraulic alternator belt tensioner assembly to the bracket
Everything you need to service your belt drive system using genuine BMW components
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This is the main belt tensioner for A/C, Alternator, and power steering.
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Brand:
ES#:
3450773
Mfg#:
11287563927
In Stock
ON SALE!
$60.99
This product was last offered at the strikethrough price on 06-25-2026
The higher idler pulley
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Brand:
ES#:
3451040
Mfg#:
11287556251
In Stock
ON SALE!
$28.89
This product was last offered at the strikethrough price on 06-25-2026
The lowest of the idler pulleys on the accessory drive belt. Featuring NTN/NSK bearing.
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The higher idler pulley
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Brand:
ES#:
2593864
Mfg#:
11287556251
In Stock at Vendor
$35.99
This product was last offered at the strikethrough price on 05-07-2026
Upgrade your engine bay and protect your steering rack with the Vargas Billet Power Steering Reservoir.
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Brand:
ES#:
5445743
Mfg#:
VTT-BPSRES-RED
Ships in 10 Business Days
ON SALE!
SAVE 15%
$314.99
This product was last offered at the strikethrough price on 07-02-2026
Upgrade your BMW’s engine bay aesthetics and durability simultaneously with the VTT Billet Power Steering Reservoir in Anodized Blue.
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Brand:
ES#:
5445731
Mfg#:
VTT-BPSRES-BLUE
Ships in 10 Business Days
ON SALE!
SAVE 15%
$314.99
This product was last offered at the strikethrough price on 07-02-2026
Drives the power steering pump, alternator, and A/C compressor
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Drive belts transfer crankshaft power to various accessories, including the alternator, water pump, power steering pump, and air conditioning compressor. Replacement of drive belts, serpentine belts, and drive belt tensioners at recommended service intervals helps you avoid untimely breakdowns and expensive vehicle repairs.
Lifetime Replacement
