The aFe Stage 2 Cold Air Intake Pro-Dry S BMW 5-Series E60 3.0L 06-09 for your 2006-2009 BMW 525i is a great way to increase horsepower and torque gains by replacing your restricted factory air intake.

The aFe Stage 2 Cold Air Intake BMW 5-Series E60 3.0L 06-09 for your 2006-2009 BMW 525i is a great way to increase horsepower and torque gains by replacing your restricted factory air intake.

The aFe Power Magnum FORCE Stage-2 Pro DRY S Cold Air Intake System BMW 525i/530i E60 L6 04-05 for your 2004-2005 BMW 525i is a great way to increase horsepower and torque gains by replacing your restricted factory air intake.