Genuine OEM 13907636145 - Emission Check Valve

Product Overview

This Genuine OEM emission check valve (MPN 13907636145) is a factory-specification component for BMW's secondary air injection and emission control systems. It fits a broad range of BMW models from 2012 to 2018, including the 3 Series sedan and wagon, 4 Series coupe and gran coupe, 5 Series sedan, X3 SUV, X4 SUV Coupe, and X5 PHEV across multiple chassis platforms (F30, F31, F34, F22, F32, F33, F36, G30, G01, G02, F15, F16, and F26). The check valve prevents backflow of exhaust gases into the secondary air system, maintaining proper emission control function and engine efficiency. As a Genuine BMW part, it meets factory specifications and is backed by OEM warranty coverage.

Symptoms of a Failing Emission Check Valve

• Check Engine light or emission-related diagnostic trouble codes (particularly secondary air system codes)
• Rough idle or hesitation during cold start
• Increased emissions or failed emissions testing
• Hissing or whistling sounds from the engine bay during acceleration
• Reduced fuel economy or engine performance
• Visible exhaust smoke or odor during startup

Cross Reference Numbers

This Genuine OEM 13907636145 is equivalent to or replaces the following part numbers: 1390763614, 13-90-7-636-145.

Vehicle Compatibility

This part fits the popular models below. For Fitment Confidence, please use the vehicle selector tool above to verify exact compatibility for your vehicle.

• BMW 3 Series Sedan 2.0 L4 Gas (F30): 2012–2018
• BMW 320i Sedan 2.0 L4 Gas (F30): 2013–2018
• BMW 320i xDrive Sedan 2.0 L4 Gas (F30): 2013–2018
• BMW 328i Sedan 2.0 L4 Gas (F30): 2012–2016
• BMW 328i xDrive Sedan 2.0 L4 Gas (F30): 2013–2016
• BMW 3 Series Touring Wagon 2.0 L4 Gas (F31): 2015–2016
• BMW 3 Series Gran Turismo 2.0 L4 Gas (F34): 2014–2016
• BMW 228i Coupe 2.0 L4 Gas (F22): 2014–2016
• BMW 228i xDrive Coupe 2.0 L4 Gas (F22): 2015–2016
• BMW 4 Series Coupe 2.0 L4 Gas (F32): 2014–2016
• BMW 4 Series Coupe xDrive 2.0 L4 Gas (F32): 2014–2016
• BMW 4 Series Convertible 2.0 L4 Gas (F33): 2015
• BMW 4 Series Gran Coupe 2.0 L4 Gas (F36): 2015–2018
• BMW 4 Series Gran Coupe xDrive 2.0 L4 Gas (F36): 2015–2018
• BMW 430i Gran Coupe 2.0 L4 Gas (F36): 2017–2018
• BMW 430i xDrive Gran Coupe 2.0 L4 Gas (F36): 2017–2018
• BMW 5 Series Sedan 2.0 L4 Gas (G30): 2012–2016
• BMW 5 Series Sedan xDrive 2.0 L4 Gas (G30): 2012–2016
• BMW X3 2.0 L4 Gas (F25): 2013–2017
• BMW X3 xDrive28i 2.0 L4 Gas (F25): 2013–2017
• BMW X3 sDrive28i 2.0 L4 Gas (F25): 2015–2017
• BMW X4 xDrive28i 2.0 L4 Gas (F26): 2015–2018
• BMW X5 xDrive40e 2.0 L4 PHEV (F15): 2016–2018

This may also fit other applications. Please use the vehicle selector tool to verify fitment.

Often Replaced Together

For a complete emission system service, many owners replace the following at the same time:

• Secondary air injection pump and motor
• Secondary air hoses and clamps
• Oxygen sensors (upstream and downstream)
• Air filter and cabin air filter
• Fuel injectors and fuel filter

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Frequently Asked Questions

How do I know if my BMW's emission check valve is failing?

A failing emission check valve typically triggers a Check Engine light with secondary air system fault codes (such as P0410, P0411, or P0413). You may notice rough idle during cold starts, a hissing sound from the engine bay during acceleration, or increased emissions. Some drivers report reduced fuel economy. A professional scan tool can confirm secondary air system codes before replacement.

What does the emission check valve do on a BMW?

The emission check valve is part of BMW's secondary air injection system, which injects fresh air into the exhaust manifold during cold start and warm-up. The check valve prevents exhaust gases from flowing backward into the secondary air pump and hoses, which would damage the pump and degrade emission control performance. It is a critical one-way valve that maintains system integrity.

Will this Genuine OEM part fit my F30 3 Series or F32 4 Series?

Yes. This Genuine OEM 13907636145 is designed for BMW F30 3 Series sedans, F31 3 Series Touring wagons, F34 3 Series Gran Turismo, F22 2 Series coupes, F32/F33/F36 4 Series models, G30 5 Series, F25 X3, F26 X4, and F15 X5 xDrive40e PHEV from 2012 to 2018. Always verify your vehicle's year and engine size using the vehicle selector tool to ensure exact compatibility.

Is this a difficult part to replace myself?

Emission check valve replacement varies in difficulty depending on engine bay layout and your mechanical experience. The valve is typically accessible but may require removal of intake manifold covers, hoses, or other components. Most DIY technicians benefit from a service manual, jack, jack stands, and basic socket tools. If you are unfamiliar with emission system work, a professional technician can complete the job efficiently and ensure proper reconnection of air hoses and electrical connectors.

Can a failing check valve cause an emissions test failure?

Yes. A stuck or failed emission check valve disrupts the secondary air injection system, causing excess emissions and triggering fault codes that will result in an emissions test failure. Replacing the valve and clearing the diagnostic trouble codes should resolve the issue, provided no other emission system components are damaged.

Why should I choose a Genuine OEM part over an aftermarket alternative?

Genuine BMW parts are engineered to exact factory specifications and are backed by OEM warranty coverage. They are tested for durability and compatibility with your specific vehicle's emission and engine management systems. Aftermarket parts may not fit precisely or perform identically, potentially leading to air leaks, fault codes, or premature failure. For emission system components in particular, factory parts ensure compliance with emissions standards and long-term reliability.

Order Genuine OEM 13907636145 today. In-stock orders ship same or next business day from our U.S. warehouse, and our fitment team is one call away if you need help confirming the right part for your BMW.

Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.