Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Replacement is recommend with every belt service
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! For vehicles with production date up to 06/1998
For dependable operation and peace of mind, trust the INA Serpentine Belt from ECS Tuning, a smart choice for preventative maintenance and long-term reliability in your BMW.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with production date from 09/2002
Keep your BMW’s air conditioning system running at peak efficiency with this dependable.
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! For vehicles with production date from 03/1998
Reduces vibrations and connects accessories
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!
For BMW owners seeking reliability and factory-spec performance, the OEM INA Accessory Belt Idler Pulley from ECS Tuning delivers unmatched value and durability.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with manual transmission only with production date from 05/1999
Make sure your new belt has proper tension
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with production date up to 08/1997
Brand:
ES#:
21679
Mfg#:
11281742013
Ships in 3 Business Days
3% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$368.99
This product was last offered at the strikethrough price on 07-07-2026
Utilizes all genuine BMW components - includes updated hydraulic alternator tensioner
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with a production date before 09/1998
Keep your A/C belt tight and turning.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with production date up to 09/1997
Brand:
ES#:
21643
Mfg#:
11281702013
Ships in 9 Business Days
3% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$490.99
This product was last offered at the strikethrough price on 07-07-2026
Includes tensioner & roller for accessory belt
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with production date from 08/1997 to 09/1998
Brand:
ES#:
21680
Mfg#:
11281742858
Ships in 9 Business Days
3% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$229.99
This product was last offered at the strikethrough price on 07-07-2026
Pulleys drive accessories essential to vehicle operation. Whether you need to install a stock original equipment pulley during a repair, or improve engine performance and appearance with a lightweight aluminum or underdrive pulley, count on ECS Tuning for pulley solutions that work.
Lifetime Replacement
