![Alternator Adjuster Arm / Belt Tensioner – M20 – Ireland Engineering | Racing & Performance Parts for BMW & MINI Alternator Adjuster Arm / Belt Tensioner – M20 – Ireland Engineering | Racing & Performance Parts for BMW & MINI](https://www.iemotorsport.com/wp-content/uploads/2020/07/BMW-E30-E28-528-325-323-M20-ALTERNATOR-ADJUSTER-ARM-BRACKET-BELT-TENSIONER-IRELAND-ENGINEERING-MOTORSPORTS-PERFORMANCE-RACE-OEM-GENUINE-TURBO-ALPINA-RACING-2-scaled.jpg)
Alternator Adjuster Arm / Belt Tensioner – M20 – Ireland Engineering | Racing & Performance Parts for BMW & MINI
![Is this where I put the hex bit in and turn to loosen the alternator belt tension? I even tried a breaker bar and it just wouldn't budge : r/e46 Is this where I put the hex bit in and turn to loosen the alternator belt tension? I even tried a breaker bar and it just wouldn't budge : r/e46](https://i.redd.it/pkcvnnppotka1.jpg)
Is this where I put the hex bit in and turn to loosen the alternator belt tension? I even tried a breaker bar and it just wouldn't budge : r/e46
![Amazon.com: Drive Belt Tensioner and Idler Pulley Serpentine Belt kit, for Mercedes-Benz GLK350 E550 E350 CLK350 GL450 GL550 SLK300 C280 CLS550 S550 SL550 R350, 06-11, 2722021419 2722000270 2722021019 6pk2404 : Automotive Amazon.com: Drive Belt Tensioner and Idler Pulley Serpentine Belt kit, for Mercedes-Benz GLK350 E550 E350 CLK350 GL450 GL550 SLK300 C280 CLS550 S550 SL550 R350, 06-11, 2722021419 2722000270 2722021019 6pk2404 : Automotive](https://m.media-amazon.com/images/I/816NJbxQDHL.jpg)