BMW E39 540i Secondary Air Pump Assembly OEM 11721433958

Upgrade your BMW's performance with the OEM BMW E39 540i Secondary Air Pump Assembly, part number 11721433958, crafted by Pierburg. This essential component ensures your vehicle operates efficiently by properly managing emissions during the warm-up phase, contributing to both environmental standards and engine health.

A faulty secondary air pump can lead to various engine problems, including poor performance, increased emissions, and potential failure to pass inspections. Replacing a worn or malfunctioning pump can restore your vehicle's power and efficiency. This high-quality air pump assembly is designed to match or exceed the performance of your original equipment, ensuring a perfect fit and hassle-free installation.

• Enhanced Engine Performance: Replacing an old air pump improves overall engine performance and response.
• Emissions Compliance: A new secondary air pump helps ensure your BMW meets emissions standards, reducing environmental impact.

Cross-reference part numbers include:

• 61-12-9-196-872
• 61129196872
• 61-12-9-215-978
• 61129215978
• 61-12-9-223-385
• 61129223385

With the BMW E39 540i Secondary Air Pump Assembly, you'll achieve smoother performance and peace of mind knowing that your vehicle operates as designed. Upgrade today to keep your BMW driving at its best!