BMW E46 M54 Secondary Air Pump - Used Original Parts
RM 250
Condition: Used (Original)Description
Product Title
BMW E46 M54 Secondary Air Pump - Used Original Parts
Diagnosis and Common Symptoms
From the workshop floor at M.S. Motor, here is our technical breakdown of the M54 Secondary Air Injection system. This system's sole purpose is to reduce emissions during a cold start by injecting oxygen into the exhaust manifold, allowing the catalytic converters to reach operating temperature faster. The DME (engine computer) monitors this process via the pre-catalyst O2 sensors.
Failure is common and typically presents with no noticeable change in driving performance, making the Check Engine Light (CEL) the primary indicator.
Common Fault Codes:
- P0411 - Secondary Air Injection System Incorrect Flow Detected: This is the most prevalent code. It indicates the DME activated the pump, but the O2 sensors did not register the expected lean mixture, pointing to a failed pump, a leak, or a faulty check valve.
- P0410 - Secondary Air Injection System Malfunction: A more general code indicating a fault within the system.
Symptoms of a Faulty Pump:
- Illuminated "Service Engine Soon" or Check Engine Light.
- Absence of the typical "jet engine" or "vacuum cleaner" sound from the front-left of the engine bay for the first 60-90 seconds of a cold start.
- Failure to pass state emissions inspection.
Introduction
Restore your BMW's emissions control system with a Genuine Used Secondary Air Pump. Each unit is salvaged from a running vehicle and subjected to a comprehensive bench test by our technicians to confirm full operational performance. This is a direct-fit, reliable solution to extinguish the check engine light and ensure your M54 engine runs as cleanly as the engineers in Munich intended.
Product Details
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Brand: BMW / Pierburg
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Model Compatibility: BMW E46 3-Series (325i, 330i, 325Ci, 330Ci, 325xi, 330xi) | Engine: M54
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Part Name: Secondary Air Injection Pump (Smog Pump)
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Condition: Genuine Used (Tested Working)
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Notes: Technical advice: We strongly recommend inspecting the one-way air check valve and associated vacuum lines during installation. A stuck-open check valve allows hot exhaust gas to flow back into the pump, which is the leading cause of premature pump failure.
Shipping
Location: Kuala Lumpur, Malaysia Shipping: West Malaysia RM50 (Estimate) / East Malaysia RM80 (Estimate) Delivery: 1-2 working days Packaging: Secure anti-static packaging, heavy-duty shock absorption. (We send actual photos/videos of the unit and packaging before shipping)
Warranty and Return Policy
- 30-day exchange warranty from the date of receipt.
- Proof of professional installation by a qualified workshop is required for warranty claims.
- No returns if the item is opened, modified, tampered with, or damaged due to incorrect electrical wiring.
- Exchange only for confirmed internal electronic defects.
How to Order
- WhatsApp us to confirm compatibility with your specific VIN.
- Send your chassis number or a clear photo of your old unit label.
- Confirm order details and stock availability.
- Receive actual product photos and diagnostic test confirmation.
- Make payment via bank transfer.
- Item is shipped immediately with tracking details provided.
Contact Us
Ready to order or have questions? Tap the WhatsApp button to chat with our team directly.
Price Notice
Price is estimated only. Actual price depends on current stock levels, specific part number revisions, and unit condition. Please WhatsApp us for a formal quote.
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