BMW F80 M3 F82 M4 Actuator Drive Exhaust Flap 7851568

The BMW F80 M3 F82 M4 Exhaust Flap Actuator is a component from the Electronic Control Modules and Controllers category, designed for precise control of the exhaust flap in sport BMW models. It is responsible for dynamic exhaust gas flow management, which affects the sound characteristics and the exhaust system's response. This solution allows for the preservation of the factory exhaust logic and consistency with the vehicle's electronics.

Specifications and technical data

• SKU: 7851568
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7851568
• Substitutable numbers: 18307851568, 7851568
• Location on the vehicle: Front
• Category: ECUs & Computer Modules

Purpose and Function in the Exhaust System

The BMW F80 M3 F82 M4 exhaust flap actuator works with the factory engine control, regulating the flap's position in the exhaust system. This enables:

• adjustment of exhaust gas flow to the current engine load,
• control of the exhaust sound volume and character,
• maintenance of appropriate engine operating parameters in various driving modes.

Its placement at the front of the vehicle facilitates proper integration with the wiring harness and other control elements, simplifying diagnostics and servicing.

Electronic Control Modules and Controllers BMW – Advantages of Use

As a component within the Electronic Control Modules and Controllers group, the actuator works with the engine management system, utilizing signals from sensors and the main controller. This allows for:

• consistent operation with factory engine maps and driving modes,
• stable exhaust flap operation without unwanted vibrations or sticking,
• preservation of the exhaust system's operating characteristics in line with the manufacturer's design.

As a result, the driver receives predictable exhaust system response, and the vehicle retains the driving and acoustic properties typical of the M series.

Condition, Fitment, and Installation

The offered actuator comes from a BMW vehicle and is an original part, ensuring proper fitment with the electrical system and mounting points in F80 M3 and F82 M4 models. A used component allows for economical restoration of exhaust system functionality while maintaining factory specifications.

Before installation, standard verification of the wiring and control operation is recommended. It is best to entrust the installation to a workshop experienced with M-series BMW electronics. This approach minimizes the risk of communication errors with other vehicle controllers.

Why Choose This Exhaust Flap Actuator?

Replacing a faulty actuator with an original part from the same model line ensures the consistency of the entire control system. This is particularly important in sporty vehicles where the precise operation of the exhaust system affects both the driving experience and the proper functioning of the engine. By choosing this product, you opt for a solution that aligns with the construction of the BMW F80 M3 and F82 M4.

If you are looking for other components from the Electronic Control Modules and Controllers category dedicated to this brand, check out our offer for BMW Electronic Control Modules and Controllers to select components tailored to your specific model.

Want to better understand how original electronic modules influence the character of a premium car and why it's worth choosing proven components? Read the article on our blog: Audi and Pure Emotion – How Used Modules and Controllers Help Maintain Brand DNA, where we discuss the importance of factory solutions in modern cars.