Audi S5 8T Vriable Intake Manifold 4.2 FSI 079133185BM

The Audi S5 8T variable intake manifold 4.2 FSI is an original part from the intake manifolds category, designed specifically for the naturally aspirated 4.2 FSI engine in the Audi S5 8T generation. The variable intake geometry allows for efficient airflow management, which translates to stable engine operation, predictable throttle response, and preservation of the powertrain's factory parameters.

Specifications and technical data

• SKU: 079133185BM
• Mark: Audi
• Condition: Used
• OEM Part Number: 079133185BM
• Substitutable numbers: 079133185BM, 079 133 185 BM
• Part type: Intake Manifold
• Category: Intake Manifolds

Purpose and Role in the Intake System

The presented intake manifold is a component of the intake system designed for the 4.2 FSI gasoline engine in the Audi S5 8T. The variable length of the intake runners allows for adjustment of cylinder filling characteristics to the current load and engine speed, supporting proper mixture combustion and maintaining power and torque across a wide RPM range.

In practice, this means the engine maintains adequate flexibility at low RPMs, and at higher speeds, it can "breathe" freely, which is particularly important in a sporty model like the S5. Using an original intake manifold helps maintain the factory-set operating characteristics of the V8 FSI engine.

Variable Intake Manifold Geometry

The key feature of this component is the variable intake manifold, which, thanks to its design, allows for dynamic changes in the length of the intake runners. Control is managed by an integrated switching mechanism that works with the engine's electronics.

This solution allows for:

• better cylinder filling across different RPM ranges,
• more linear throttle pedal response,
• maintaining the characteristic dynamics of the Audi S5 while ensuring proper idle operation.

As a result, the intake manifold supports both everyday, calm driving and more dynamic driving typical of the S version.

Original Audi Brand and Fitment

This part comes from the Audi OE line, meaning it offers factory fitment for the 4.2 FSI engine in the S5 8T model. An original intake manifold ensures:

• compatibility with factory engine accessories (throttle body, sensors, mounts),
• correct positioning relative to the cylinder heads and other intake components,
• preservation of parameters specified by the vehicle manufacturer.

For the user, this means a reduced risk of installation problems and minimal need for modifications. For FSI engines, precise manifold fitment is crucial for the proper operation of the fuel system.

Characteristics of a Used Component

The offered intake manifold is a used part, sourced from disassembly. This type of component, when its flap mechanism is functional and its seals are intact, can be an effective solution for repairing or restoring the factory intake system in an Audi S5 8T.

Choosing an original, used intake manifold is often advantageous when aiming to preserve the specific characteristics of the 4.2 FSI engine and ensure compatibility with the factory control system. This helps avoid problems typical of aftermarket replacements with different geometry or build quality.

Technical Support and Additional Materials

If you are looking for other Audi intake manifolds for various models of this brand, check out our dedicated category: Audi intake manifolds. There you will find a wide selection of intake components tailored to specific powertrains.

When planning an upgrade or repair of the intake and exhaust system in premium cars, it's worth consulting the guide on our blog. You'll find practical tips on selecting used manifolds and performance parts here: performance exhaust system and used manifolds – a practical guide.

If you're interested in how original, used components help maintain the brand's distinctive DNA, also check out the article: how used Audi parts help maintain the car's factory character. This will help you more easily plan a cohesive service for your S5 8T, preserving the proper characteristics of the 4.2 FSI engine.