BMW 1 3 Series F20 F21 F30 F31 Intake Silencer Left N/S Bracket 8515794

Description

The Left Intake Silencer Bracket for BMW 1 Series F20/F21 and 3 Series F30/F31 is an original part from the Intake Manifolds category, designed for stable mounting of the intake system on the left side. This used OEM part ensures a factory fit, correct mounting geometry, and secure support for the intake silencer, which translates to proper engine operation and reduced vibration and noise.

Specifications and technical data

• SKU: 8515794-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8515794
• Substitutable numbers: 8515794, 13718515794
• Location on the vehicle: Left
• Category: Intake Manifolds

Purpose and Function in the Intake System

The intake silencer bracket is responsible for the stable mounting of intake manifold components on the left side of the vehicle. Its task is to maintain the correct position of the intake silencer relative to the manifold and the body, which helps to:

• reduce the transfer of engine vibrations to the intake housing,
• decrease the noise of the intake air,
• maintain the correct arrangement of intake hoses and components,
• protect the system from excessive stress during engine operation.

Thanks to this, the intake system in BMW 1 and 3 Series maintains the manufacturer’s designed rigidity and smooth operation, which is important for both durability and driving comfort.

Fitment for BMW 1 Series F20/F21 and 3 Series F30/F31

The offered bracket has been specifically designed for BMW 1 Series F20/F21 and 3 Series F30/F31 models, taking into account precise left-side placement. This means:

• factory mounting points compatible with the body and intake manifold structure,
• preservation of the original intake system geometry,
• no need for modifications or adapter adjustments.

This solution facilitates installation and allows for the restoration of the original routing of intake components, which is particularly important after accident repairs or replacement of damaged parts.

Characteristics of a Used Original Part

As an original BMW part from the Intake Manifolds category, the bracket maintains material and structural compatibility with the vehicle’s factory equipment. The used part:

• comes from disassembly,
• retains original mounting points and shape,
• enables economical repair while maintaining OEM standards.

For many users and workshops, this is a reasonable compromise between cost and maintaining the factory specification of the intake system.

Benefits of Using the Correct Intake Silencer Bracket

Using a dedicated left-side bracket in BMW F20/F21 and F30/F31 offers a range of practical benefits:

• Intake System Stability – reduction of unwanted movements and stresses on intake manifold components.
• Improved Engine Operation – reduction of vibrations and noise transmitted through the intake housing.
• Hassle-Free Installation – original geometry and mounting points simplify the mechanic’s work.
• Consistency with Other OEM Components – maintaining a uniform standard of parts in the engine bay.

If you also need other intake system components for your BMW and want to maintain assembly consistency and factory design solutions, check the available parts in the BMW Intake Manifolds category.

Technical Support and Knowledge on Intake and Exhaust Systems

For users who want to better understand the relationships between the intake and exhaust systems and the impact of these components on engine performance and characteristics, we have prepared a practical guide – find more information in the article Performance Exhaust System: Used Sport Manifolds and Catalytic Converters on the Road.