Vemo V20-63-0030 Secondary Air Injection Pump

Secondary Air Injection Pump Overview

The Vemo V20-63-0030 is an electric secondary air injection pump for emission control systems. Built for 12-volt operation, it measures 315 mm long, 185 mm wide, and 190 mm high, with a compact 1.581 kg design for OE-style replacement needs.

Compatible With BMW X3 and BMW Z4 applications listed below, this pump supports secondary air system operation during cold starts. The VEMO product line focuses on application-specific replacement parts for European vehicles, and this unit follows that approach with fitment targeted to select BMW models.

Key Features

• Electric secondary air injection pump for emission control service
• 12 V operating voltage
• Dimensions: 315 mm length, 185 mm width, 190 mm height
• Lightweight construction at 1.581 kg
• OE-style replacement for select BMW air injection applications
• Part number V20-63-0030 for ordering and catalog matching

Detailed Application Information

Vemo V20-63-0030 is intended for BMW secondary air injection system repair where the original pump has failed or no longer delivers proper airflow. It is listed for 2004-2006 BMW X3 and 2003-2004 BMW Z4, making it a direct-fit option for those model years. This part number, V20-63-0030, is also useful when cross-checking catalog references during diagnosis or replacement planning.

This part cross-references Bosch (e.g., 0 421 993) for the same application.

What This Part Helps Address

• Secondary air system fault codes
• Insufficient air delivery during cold start emissions operation
• Failed or noisy electric air injection pump operation
• Emission test failures related to the air injection system
• BMW X3 or BMW Z4 secondary air pump replacement needs

Installation Notes and Tips

Verify the vehicle’s original pump connector, mounting layout, and system configuration before installation. Confirm the replacement against the existing part number V20-63-0030 and the vehicle’s emission control diagnosis results. For BMW X3 and BMW Z4 service, inspect related hoses, valves, and electrical connections so the new pump is not installed into a system with unresolved restrictions or leaks.

Quality Assurance

VEMO parts are cataloged as application-specific replacement components for European vehicle systems. This pump is specified with clear dimensional and electrical data to support accurate parts matching for BMW X3 and BMW Z4 service.