![Amazon.com: X AUTOHAUX Car Drive Belt Tension Pulley for BMW X3 X5 M3 Z4 3-Series 5-Series Serpentine Tensioner Mechanical Belt Tensioner No.11-28-7-530-314/11-28-8-624-196 : Automotive Amazon.com: X AUTOHAUX Car Drive Belt Tension Pulley for BMW X3 X5 M3 Z4 3-Series 5-Series Serpentine Tensioner Mechanical Belt Tensioner No.11-28-7-530-314/11-28-8-624-196 : Automotive](https://m.media-amazon.com/images/I/71Zi9PcBu+L._AC_UF894,1000_QL80_.jpg)
Amazon.com: X AUTOHAUX Car Drive Belt Tension Pulley for BMW X3 X5 M3 Z4 3-Series 5-Series Serpentine Tensioner Mechanical Belt Tensioner No.11-28-7-530-314/11-28-8-624-196 : Automotive
![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)