Recommended to be replaced at the first sign of cracking
From the 2013 model year
Recommended to be replaced at the first sign of cracking
From the 2013 model year
Replaces your cracked or worn belt
For vehicles with models years through 2020
Keep your accessories running properly
We Price Match - Give Us A Call or Chat!
Protective cap for the supercharger drive unit pulley
This product was last offered at the strikethrough price on
06-03-2026
Direct high-strength hardware upgrade designed to secure large and dual pulley setups on your supercharged 3.0T, preventing bolt failure under the extreme rotational loads of elevated boost levels.
2X Entries Into Our F80 M3 Sweepstakes
Includes the tensioner assembly, accessory belt, relay roller and hardware
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
Includes the tensioner assembly, accessory belt, relay roller and hardware
Keep your drive belt tight
Up to the 2012 model year
Keep your drive belt tight
Does not include securing hardware
Also referred to as the 'relay roller'
Up to the 2012 model year
Restore smooth operation to your accessory belt drive system and prevent tensioner failure.
5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Keep your drive belt tight
We Price Match - Give Us A Call or Chat!
Up to the 2012 model year
We Price Match - Give Us A Call or Chat!
Direct OE-quality replacement deflection pulley to cure belt squeal, eliminate chirping bearings, and ensure your serpentine belt stays perfectly routed around your engine accessories.
Direct OE-quality replacement crankshaft pulley and vibration damper to cure belt squeal, restore accessory drive performance, and protect your engine internals from harmful harmonics.
We Price Match - Give Us A Call or Chat!