Exhaust Flap Controls for your BMW Z4 E89

Memory Modules for your BMW Z4 E89

Choose your BMW Z4 E89

Choose the base model for your race car. If you are unsure about your choice or compatibility, we are happy to assist you.

About our valve controllers

Our valve controllers, developed in Germany, allow manual control of the exhaust valves using a remote control or the original buttons – for maximum control over the sound with "plug and play" installation.

Emotion at the push of a button

Open your exhaust valves at the push of a button to unleash maximum emotion on the racetrack.

Quiet when you want it

To make your drive more relaxed—or to comply with decibel limits on the racetrack—you can close the valves independently of the driving mode.

Smart additional features

The CB2 controllers offer, among other things, a memory function for the start-stop system.

About our Memory Modules

Our memory modules make it possible to permanently enable or disable functions such as speed warning, lane assist, or start-stop system.

Permanently disable assistance systems

Our memory modules allow you to permanently deactivate systems such as speed warning or lane assist in your race car if desired.

Simplified startup

No more tedious deactivation of functions when starting the vehicle!

Plug & Play

Simple installation with the included instructions; can be reverted without leaving any traces. No coding required!

Find the right valve controller for your BMW Z4 E89

A comparison of the features of our valve controller series for your BMW Z4 E89.

About your BMW Z4 E89

BMW Z4 E89

The BMW Z4 E89 is a two-seater sports coupe that was produced from 2009 to 2016.
It represents the second generation of the Z4, succeeding the Z4 E85.
The Z4 E89 is characterized by its elegant design and improved aerodynamics.
The vehicle features an electric hardtop that allows for a quick transition between coupe and convertible modes.
The engine lineup includes both gasoline and diesel engines with various power outputs.
Notably, the car is praised for its sporty performance and precise handling.
The interior combines luxury and sportiness, featuring high-quality materials and modern technology.
The Z4 E89 received positive reviews for its driving dynamics and comfort on long journeys.
Available trim levels include the M Sport Package and various infotainment systems.
Overall, the BMW Z4 E89 is considered a successful example of a modern sports coupe.