Secondary Air Smog Pump For 2008-12 BMW 128i 328i 328xi E82 E88 E90 E92 E93
Secondary Air Smog Pump For 2008-12 BMW 128i 328i 328xi E82 E88 E90 E92 E93 is a brand-new aftermarket replacement part priced at $78.59. Designed for BMW N51B30A engines, it restores emissions compliance and prevents check engine lights during cold starts.
● In stock
Buy at Lab Work Auto →Price and availability may change. Click to see current details on Lab Work Auto.
Key features
- OEM-spec design for exact fit
- Durable electric motor
- Exact fit for N51B30A engine
- Includes 11727557903, W0133-1893347-OES
- Emissions-compliant operation
- Supports E82, E88, E90, E92, E93
- Brand new aftermarket build
Pros
- +Affordable vs dealership parts
- +Prevents check engine lights
- +Direct replacement design
- +Helps pass smog tests
- +New condition, reliable
Cons
- −Verify part number before install
- −Aftermarket, not OEM
About Secondary Air Smog Pump For 2008-12 BMW 128i 328i 328xi E82 E88 E90 E92 E93
What is Secondary Air Smog Pump For 2008-12 BMW 128i 328i 328xi E82 E88 E90 E92 E93?
This Secondary Air Smog Pump is a direct-fit replacement for select BMW models from 2008 to 2013, including the 128i, 328i, and 328xi with the N51B30A 3.0L L6 engine. Also known as an air injection pump, it reduces harmful emissions during engine warm-up by pumping fresh air into the exhaust stream, helping your vehicle pass emissions tests and maintain optimal engine performance. Sold by Lab Work Auto, this brand-new aftermarket unit ensures compatibility with E82, E88, E90, E92, and E93 chassis variants.
Key features
- OEM-Spec Design — Matches original fit and function for seamless installation.
- Durable Electric Motor — Powers reliable air delivery to reduce cold-start emissions.
- Exact Fitment — Engineered specifically for BMW N51B30A 3.0L L6 engines.
- Multiplex Part Numbers — Includes 11727557903, W0133-1893347-OES, and 7-557-903 for easy verification.
- Aftermarket Replacement — Brand new unit offering cost-effective alternative to dealership parts.
- Emissions Compliance — Helps prevent check engine lights and failed smog tests.
- Verified Compatibility — Supports multiple body styles including sedan, coupe, and convertible.
Who is Secondary Air Smog Pump For 2008-12 BMW 128i 328i 328xi E82 E88 E90 E92 E93 for?
This smog pump is ideal for BMW owners and DIY mechanics maintaining 3.0L N51-engine vehicles between 2008 and 2013. It’s especially valuable for drivers in states with strict emissions testing, such as California. Whether replacing a failed pump or upgrading from a used part, this unit delivers reliable performance. It suits intermediate-level installers comfortable working near the engine bay and exhaust components.
How does Secondary Air Smog Pump For 2008-12 BMW 128i 328i 328xi E82 E88 E90 E92 E93 compare?
Compared to used OEM pumps from salvage yards, this aftermarket version offers consistent quality and longer service life. It’s more affordable than new OEM units from dealerships while maintaining the same fit and function. Unlike generic air pumps not calibrated for BMW systems, this model is engineered to meet the precise airflow and mounting requirements of the N51 engine platform, ensuring reliable emissions control and diagnostic stability.
Best use cases
- →Replace failed smog pump
- →Pass emissions inspection
- →Cold-start emission control
- →DIY BMW repair
- →N51 engine maintenance
Is Secondary Air Smog Pump For 2008-12 BMW 128i 328i 328xi E82 E88 E90 E92 E93 right for you?
This smog pump suits BMW owners with N51B30A engines from 2008–2013 needing emissions system repairs. Ideal for DIYers with intermediate mechanical skills. Confirm fit using the part number on your existing unit. Consider this over used OEM pumps or pricier dealer parts for balanced cost and reliability. Contact seller if uncertain about compatibility.
How it compares: More reliable than used salvage pumps and cheaper than OEM dealer units. Unlike universal air pumps, this is engineered specifically for BMW N51 engines, ensuring correct airflow, fit, and diagnostic compatibility.
More from Lab Work Auto
#63P-81950-00-00 TRIM RELAY For YAMAHA OUTBOARD F150 & 250 Part
$17.80
(4 pcs) For Ford F-150 Bed Interface Plates Standard Tie Down FL3Z9928408AB
$16.82
-6 An X 5/16-24 O Ring Hydroboost Spittier/Return Port Fitting Car Accessories
$8.20
-6AN AN6 Fuel Adapter Fitting to 3/8 Quick Connect LS W/ Clip Female Black GM
$7.91Frequently Asked Questions
What does a secondary air pump do?
▾
It injects fresh air into the exhaust system during cold starts to help burn off excess hydrocarbons, reducing emissions and preventing check engine lights on BMW N51 engines.
Does this fit all BMW 328i models?
▾
No, it fits 328i models with the N51B30A 3.0L L6 engine from 2007–2013, including E90, E92, and E93 body styles. Always verify your engine code and part number.
How do I know if my smog pump is bad?
▾
Symptoms include a check engine light, rough idle on cold start, failed emissions test, or a rattling noise from the pump area. Diagnostic codes often point to secondary air system faults.
Is this an OEM or aftermarket part?
▾
This is a brand-new aftermarket replacement part designed to meet OEM specifications. It is not an original BMW-branded component but matches original fit and function.
Can I install this myself?
▾
Yes, if you have intermediate mechanical experience. The pump mounts in the engine bay and connects to the exhaust and electrical system. Proper tools and safety precautions are required.
How much does Secondary Air Smog Pump For 2008-12 BMW 128i 328i 328xi E82 E88 E90 E92 E93 cost?
▾
Secondary Air Smog Pump For 2008-12 BMW 128i 328i 328xi E82 E88 E90 E92 E93 is $78.59 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is Secondary Air Smog Pump For 2008-12 BMW 128i 328i 328xi E82 E88 E90 E92 E93 in stock at Lab Work Auto?
▾
Yes, Secondary Air Smog Pump For 2008-12 BMW 128i 328i 328xi E82 E88 E90 E92 E93 is currently in stock at Lab Work Auto.
Specifications
- SKU
- F7-8122