PIERBURG E53 Secondary Air Injection Pump for BMW X5

This PIERBURG secondary air injection pump is designed for the BMW E53 X5 (2000-2006) to reduce cold-start emissions. It is a direct replacement for OE part 11721437700, ensuring proper secondary air system operation.

Key Features & Benefits

• OE Replacement: Matches original fit and function for BMW E53 X5.
• Emissions Compliance: Ensures proper secondary air system operation for inspection readiness.
• Durable Motor: Long-life electric motor with sealed bearings.
• Includes Connector: Pre-wired plug for hassle-free installation.

Vehicle Fitment

Technical Specifications

Installation Notes

Direct replacement with pre-wired connector for simple installation.

About PIERBURG

PIERBURG is a trusted OE supplier for European vehicles, providing emission system components.

This part also goes by the following cross reference.

Cross Reference Part Number: 11721437700