Premium Serpentine Belt Tensioner Assembly For BMW 220i 328i 528i X1 X3 – Replaces 39191

Got a squeaky belt or noticing some wear?

This premium belt tensioner assembly is a solid direct replacement for a bunch of popular BMWs, including the 220i, 228i, 320i, 328i, 528i, X1, X3, Z4, and X4.

It’s a new, unused unit designed to keep your accessory drive running smoothly.

This kit comes with a plastic pulley and is built to handle the job, backed by a 2-year or 50,000-mile warranty.

Just match it up with your part numbers—it crosses over with 39191, 11287594969, and 49813.

If you're doing a water pump or just preventative maintenance, swapping this out is a smart move.