CTA Tools 3458 BMW A/C Belt Installation Tool is expertly designed and crafted to the exacting quality standards expected from CTA Tools. This BMW A/C Belt Installation Tool is crafted for utilization when no belt tensioner is employed on 2004 to 2006 V8 N62 engines with stretch belts. This BMW A/C Belt Installation Tool will not disappoint. Whether tuning up your '68 Corvette or changing the oil on a John Deere tractor, CTA can supply you with the tools needed to do the job. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.