BMW 3 Series E90 E92 E93 M3 Exhaust System Rear Rubber Mounting 1401797

BMW 3 Series E90 E92 E93 M3 Exhaust System Rear Rubber Mounting is a component from the Silencers and resonators group, designed to provide stable support for the rear section of the exhaust system. A properly selected rubber mount reduces vibrations, minimizes noise transmitted to the chassis, and ensures the correct positioning of the exhaust tailpipe section in sports versions of the BMW 3 Series. This is a practical solution for users who want to maintain correct exhaust geometry and avoid unwanted play in the rear of the vehicle.

Specifications and technical data

• SKU: 1401797
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1401797
• Substitutable numbers: 18201401797, 1401797, 18201402475, 1402475, 18201402476, 1402476, EM
• Location on the vehicle: Rear
• Offset (ET):
• Category: Mufflers & Resonators

Purpose and function in the exhaust system

The presented rear rubber mounting is a component used to secure the rear part of the exhaust system in BMW 3 Series E90, E92, and E93 M3 models. Its task is to provide flexible suspension for the exhaust in the rear zone of the vehicle, in order to:

• maintain the correct position of the rear exhaust section relative to the bumper and chassis,
• dampen vibrations generated by engine operation and exhaust gas flow,
• reduce the transmission of vibrations to the bodywork and interior,
• prevent excessive movement of the exhaust system during acceleration, braking, and driving over bumps.

Thanks to its flexible rubber construction, the mount works in both vertical and horizontal axes, compensating for exhaust movement while providing stable support in the rear of the car.

Compatibility with BMW 3 Series E90 / E92 / E93 M3

The component has been developed with the specifics of the exhaust system in the sports M3 versions of the 3 Series E90, E92, and E93 generations in mind. This means it is perfectly matched to the factory mounting points and the geometry of the rear exhaust section characteristic of this body and drivetrain version. Using an original solution from the Silencers and resonators group allows for compliance with the factory design, which is important for both driving comfort and the durability of the entire system.

Its location in the rear of the vehicle means the mount operates under conditions exposed to variable temperatures, moisture, and road debris. Proper selection of the mounting element is crucial to avoid exhaust sagging, knocking against chassis components, or excessive stress on other hangers.

Benefits of using the original rubber mounting

Using a dedicated mounting in the BMW 3 Series M3 exhaust system provides a number of practical operational benefits:

• Stable support for the rear exhaust section – reducing the risk of rubbing against chassis components and the bumper.
• Vibration and noise reduction – flexible rubber helps dampen vibrations transmitted from the exhaust to the chassis.
• Protection of other system components – a properly functioning mount reduces the load on other hangers and connections, which promotes their durability.
• Better maintenance of exhaust system geometry – essential for the precisely routed exhaust in M3 versions.

This solution is particularly recommended when replacing the rear exhaust section, installing a sports silencer, or after bodywork and chassis repairs in the rear of the vehicle.

Application in service and post-accident repairs

The BMW 3 Series E90 E92 E93 M3 Exhaust System Rear Rubber Mounting is suitable for both standard service maintenance and post-collision repairs, where the exhaust system may have been displaced or damaged. Replacing worn or stretched hangers is a simple way to restore correct exhaust routing without the need to interfere with the silencer or pipes themselves.

If you are considering a wider range of work related to the bodywork or components mounted under the car and are wondering when it is worth choosing used parts instead of replacements, the following article may be helpful: Post-accident repair of your car: why are used body parts a better choice than replacements?.

Expansion and modernization of the BMW exhaust system

If you are planning a comprehensive repair or modernization of the exhaust system area in your BMW and need other components from the same group, such as rear silencers, center silencers, or resonators, check out the available parts in the BMW Silencers and resonators category.