BMW E46 Saloon Coupe Petrol N40 N42 N46 Rear Exhaust Silencer Tail Pipe

BMW E46 Saloon Coupe Petrol N40 N42 N46 Rear Exhaust Silencer Tail Pipe is an original exhaust system component designed for installation at the rear of the vehicle. Specifically engineered for petrol engines, it ensures consistency with the factory exhaust line and stable engine performance. This is a practical solution for users looking for a proven, OEM-compliant rear silencer for their BMW E46.

Specifications and technical data

• SKU: 7509317
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7509317
• Substitutable numbers: 18107509317, 7509317, ŁS
• Location on the vehicle: Rear
• Fuel type: Petrol
• Category: Exhaust System Kits

Purpose and compatibility

The presented rear exhaust silencer is dedicated to BMW E46 models in Saloon and Coupe versions with N40, N42, and N46 petrol engines. The component operates at the rear of the system, responsible for the final stage of exhaust gas discharge and shaping the acoustic characteristics of the power unit.

Thanks to a design consistent with BMW's factory specifications, the silencer maintains proper fitment to the body geometry and original mounting points, which facilitates installation and reduces the need for additional modifications.

Function in exhaust systems and kits

As an element of the Exhaust systems and kits category, this rear silencer performs several key technical functions:

• discharges exhaust gases from the final section of the exhaust line,
• dampens noise generated by the petrol engine,
• supports the maintenance of proper backpressure in the system,
• influences the engine's operating culture and acoustic comfort inside the cabin.

A properly selected rear silencer helps maintain stable engine performance while preserving the characteristic, subdued sound typical of the BMW E46 with N40, N42, and N46 units.

Characteristics of the used component

The offered silencer is a used part, which in practice represents a real compromise between cost and functionality. For many BMW E46 users, this is a reasonable choice for maintenance repairs when the priority is to preserve the original exhaust system design without investing in a new, expensive component.

A used OEM element usually fits better into the existing system than universal aftermarket replacements, which translates into correct alignment, proper pipe routing, and a reduction in the risk of unwanted vibrations or leaks.

Benefits of using an original BMW rear silencer

Using an original rear silencer in a BMW E46 with a petrol engine brings a number of practical benefits:

• Factory fitment – compatibility with the original exhaust system geometry and body mounting points.
• Stable operating parameters – maintaining the exhaust flow and backpressure intended by the manufacturer.
• Acoustic comfort – proper noise suppression, without excessive booming or unwanted resonances.
• Consistency with other system elements – easier integration with the existing exhaust line in the car.

For users who want to keep their BMW E46 in a configuration as close to the factory state as possible, such a rear silencer is a technically safe and predictable solution.

Selection, installation, and additional information

When selecting a rear silencer for a BMW E46 with a petrol engine, it is worth paying attention to compatibility with the body version (Saloon / Coupe) and the engine type. Proper fitment translates into easier installation and reduces the risk of leaks or collisions with suspension or bumper components.

If you are planning a comprehensive repair or upgrade of the exhaust system area in your BMW and need other components from the same group, such as exhaust pipes, center silencers, or complete exhaust kits, check the available parts in the BMW Exhaust systems and kits category.

Before the winter season or extended use in harsh conditions, it is also worth analyzing the condition of other vehicle components – you can find practical checklists and tips in the article Winter essentials: which used car parts are worth checking and replacing before the frost?.