This manifold converter is engineered to restore proper emissions control on BMW 530i, BMW 525i. Built to meet California Air Resources Board requirements, it replaces a failed or underperforming factory converter with a unit designed for the same fit, flow, and emissions performance as the original equipment it replaces.

AP Exhaust 770028 Vehicle Applications:

• 2004-2005 BMW 530i, BMW 525i

AP Exhaust 770028 Features:

• OBDII by Design.
• Larger total substrate size.
• Premium precious metals loadings.
• Superior O2 storage & release.
• Lower emissions output.
• CARB-focused converter series coverage supports applications requiring California-approved converter coverage when cataloged for the vehicle.
• Direct-fit manifold converter design combines converter and manifold-style mounting into one replacement assembly.
• Exact oxygen sensor location support helps maintain proper sensor placement during installation.
• Overall Length: 32.000 in.
• Inlet Connection: Welded Flange (8 Bolt Welded Flange)
• Outlet Connection: Welded Flange (2 Bolt Welded Flange)
• Sensor Ports: 1
• Substrate Material: Ceramic

CARB Executive Order Number: D-798-10