KHZV 770376 Catalytic Converter with Integrated Exhaust Manifold - Rear

CARB-Certified Direct-Fit Exhaust Manifold Converter

The AP Exhaust 770 Series 770376 is a direct-fit catalytic converter with integrated exhaust manifold for select BMW rear applications. It is California Air Resources Board (CARB) certified and carries EO number D-798-10, making it a compliance-focused replacement for emissions-controlled vehicles.

Built for 2001-2005 BMW 325Ci, 325i, 325xi, and 330i, plus 2001-2003 BMW 330Ci and 2001-2002 BMW Z3 rear applications, this part number 770376 is intended for vehicles excluding SULEV emissions configurations.

Key Features

• CARB certified for emissions compliance in approved applications
• Direct-fit design for easier replacement of the original exhaust manifold converter assembly
• Integrated exhaust manifold construction for a factory-style service part
• EO number D-798-10 issued by AP Exhaust Holdings, LLC
• Boxed for retail and service installation handling
• Part number 770376 for accurate ordering and catalog matching

Product Line Details

The 770 Series; Direct Fit - CARB line is focused on emissions-compliant replacement parts that match the original mounting and application requirements. For BMW 325Ci, 325i, 325xi, 330i, 330Ci, and Z3 rear fitments, the series supports a direct replacement approach without requiring a universal converter solution.

Detailed Description

AP Exhaust 770376 is a CARB-certified catalytic converter with integrated exhaust manifold engineered for rear-position BMW applications from 2001 through 2005, depending on model. It is a direct-fit replacement for the original emissions component and is listed for BMW 325Ci, 325i, 325xi, 330i, 330Ci, and Z3 vehicles with the noted SULEV exclusion. If you are replacing a worn or noncompliant emissions assembly on a BMW 325i or BMW 330i, this part number 770376 provides a catalog-matched solution with CARB documentation.

Common Issues This Part Addresses

• Failed catalytic converter emissions testing
• Check engine light related to catalyst efficiency faults
• Damaged or leaking exhaust manifold converter assembly
• CARB compliance concerns on regulated vehicles
• Replacement needs after corrosion or internal substrate breakdown

Installation Notes and Tips

• Verify the vehicle is not equipped with SULEV emissions before ordering.
• Confirm rear-position fitment against the original BMW exhaust manifold converter assembly.
• Inspect adjoining exhaust components, gaskets, and sensors during replacement.
• Use the OE application data and EO number D-798-10 to confirm emissions compliance before installation.

Quality Assurance

This catalytic converter is CARB certified and identified with EO number D-798-10 issued by AP Exhaust Holdings, LLC. Part number 770376 is cataloged as a direct-fit emissions replacement for the listed BMW applications.