ASR Exhaust Flap Control RX1 (BE2) for BMW M4 F-Series

ASR Flap Control RX1 for BMW M3 (F80) & M4 (F82 / F83)

Full control over your BMW's sound – at the push of a button.

With the ASR flap control RX1 (type BE2), you take control of your electric exhaust flaps – independently of Drive Select.
Using a high-quality hand-held transmitter, you can manually open or close the flaps and thus determine the sound of your vehicle yourself.

Your advantages at a glance

• Independent of driving profile: You decide, not the Drive Select system.

• True series mode: Module completely deactivatable – ideal for workshop, service or TÜV (German technical inspection).
  

• Freely programmable start mode: Choose how your BMW starts in terms of sound mode.

• No intervention in the CAN bus: Maximum safety for other control units, no influence from software updates.

• Plug & Play installation: Original BMW connectors, no cable damage, reversible without leaving traces.

Function Modes

• Start mode: Automatically saves the last state or starts in a defined mode if desired.

• Easily programmable via the handheld transmitter – acoustic confirmation through the flap movement.

Installation

Installation is Plug & Play via vehicle-specific connectors directly on the exhaust flaps.
We recommend installation in the trunk – for optimal reception and protection from weather influences.
All cables are precisely designed.

Technical features

• Reversible without leaving traces

• No error message in memory

• No CAN-Bus intervention

• High-quality handheld transmitter with brushed stainless steel front and long range

Quality "Made in Germany"

The RX1 was specially developed for electric flap systems – for safe, permanent operation and uncompromising quality.

Notes:

• Not approved according to StVZO (German Road Traffic Licensing Regulations) – exclusively for use in motorsport

• Installation at your own risk

• During full-throttle driving, the flaps should not be completely closed

• No liability for consequential damages