Now there is FINALLY a better solution for replacing the OEM Alternator Belt tensioning setup.
Now there is FINALLY a better solution for replacing the OEM Alternator Belt tensioning setup.
Keep your accessories running properly
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
Replaces your cracked or worn belt
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From VIN 8E-4-191001, split is in the 2004 model year
This product was last offered at the strikethrough price on
07-08-2026
Replace your cracked or worn belt
We Price Match - Give Us A Call or Chat!
Up to VIN 8E-4-191000, split is in the 2004 model year
This product was last offered at the strikethrough price on
07-06-2026
Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt.
10X Entries Into Our F80 M3 Sweepstakes
From VIN 8E-4-191001, split is in the 2004 model year
Keep your drive belt tight to your accessories.
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
07-16-2026
Keep your drive belt tight with an ECS Performance Kevlar Reinforced Accessory Belt, tensioner, and hardware.
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
03-28-2026
Replacement is recommended with every belt service.
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
This is not the belt tensioner, this is a stationary pulley
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-31-2026
Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt.
10X Entries Into Our F80 M3 Sweepstakes
Eliminate the concern of shearing your 1.8T timing drive gear keyway
This product was last offered at the strikethrough price on
08-26-2026
Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt.
10X Entries Into Our F80 M3 Sweepstakes
Up to VIN 8E-4-191000, split is in the 2004 model year
Also referred to as the 'relay roller'
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
Includes belt, tensioner, & hardware to ensure that your belt is tight and reliable.
10X Entries Into Our F80 M3 Sweepstakes
Up to VIN 8E-4-191000 - split is in the 2004 model year
This product was last offered at the strikethrough price on
05-02-2026
Replace the stripped or worn hardware. M8x50
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
09-05-2026
Keep your accessories running properly
5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
08-26-2026