BMW 7 Series E65 E66 E67 Petrol Secondary Air Pump Smog Pump 7508267

BMW 7 Series E65 E66 E67 Petrol Secondary Air Pump Smog Pump is an original exhaust aftertreatment system component, responsible for efficiently supplying the exhaust system with fresh air during cold starts. Thanks to this solution, the petrol engine reaches stable operating parameters faster, and the emission of harmful exhaust components during the warm-up phase is significantly reduced. It is a technically advanced solution that supports the proper operation of the powertrain and exhaust purification system in the BMW 7 Series.

Specifications and technical data

• SKU: 7508267
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7508267
• Substitutable numbers: 11727508267, 7508267, 11727572582, 7572582, 11727572581, 7572581, 11727528440, 7528440
• Fuel type: Petrol
• Category: Secondary Air & Smog Pumps

Function and role of the secondary air pump in the BMW 7

The presented pump belongs to the Secondary Air Pumps category and works with the exhaust system of the petrol engine in the BMW 7 Series E65, E66, and E67 generations. Its task is to deliver the appropriate amount of air to the exhaust manifold or catalytic converter system during the initial phase of engine operation. In practice, this translates into:

• more efficient combustion of the mixture in the exhaust gases during a cold start,
• more stable engine operation in the first minutes after startup,
• reduction of smoke and the characteristic smell of unburnt fuel,
• maintaining compliance with emission standards provided for this generation of the BMW 7.

For the user, this means more predictable vehicle behavior after startup and less load on other exhaust system components, including the catalytic converter.

Compatibility and technical parameters

The described pump was designed by BMW specifically for the luxury 7 Series limousines in E65, E66, and E67 versions with petrol engines. Using a dedicated solution for a specific body platform and fuel type means:

• proper fitment to factory mounts and hoses,
• compatibility with the original engine management and onboard diagnostics,
• preservation of the factory operating characteristics of the exhaust aftertreatment system.

The element has an assigned OEM part number and a set of interchangeable numbers, which facilitates verification of compatibility with a specific vehicle configuration. Thanks to this, you can precisely select the component for a given BMW 7 unit, minimizing the risk of installation problems.

Product characteristics and advantages of use

The secondary air pump in this model performs an important auxiliary function for the exhaust system, influencing the refinement of the petrol engine and emission parameters. Using an original BMW solution ensures:

• preservation of the factory control logic for the secondary air system,
• proper cooperation with sensors and the engine control unit (ECU),
• reduction of the risk of error codes appearing in the OBD diagnostic system,
• consistency with other exhaust and intake system components.

As a part from the Secondary Air Pumps category, this component is particularly important in vehicles operated mainly in urban cycles, where frequent cold starts and short driving distances place a heavy load on the exhaust purification system.

Condition, origin, and practical application

The offered pump is a used item, sourced from dismantling, which allows for an economical repair of the secondary air system while maintaining the original BMW specification. This type of solution is particularly beneficial for older 7 Series models, where an optimal balance between repair costs and maintaining the factory design is of great importance.

Before installation, it is recommended to perform a standard check of the electrical installation, air hoses, and mounts so that the newly installed pump can operate under stable conditions. A correctly selected and functional component contributes to maintaining proper engine refinement and reducing the risk of error messages related to the exhaust emission system.

System expansion and additional materials

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional pumps, valves, or air hoses, check the available parts in the BMW Secondary Air Pumps category.

For those interested in the broader technical context of BMW powertrains and the impact of engine selection on operating and service costs, we recommend an article comparing the brand's popular diesel units: BMW N47 vs M57 / M57N / M57N2 – a ranking of legendary diesels. Although it concerns diesel engines, it allows for a better understanding of BMW's design philosophy and the importance of correctly selected components from the secondary market.