ASR exhaust flap control RX1 (BE2) for BMW M5 F90

BMW M5 F90 RX1(BE2) ASR Exhaust Flap Control

Maximum control over the sound of your M5

With the RX1(BE2) ASR Exhaust Valve Control Take control of your exhaust flaps yourself BMW M5 F90 – regardless of the driving mode.
Control the sound of your vehicle conveniently via Handheld transmitter – from subtle to sporty, entirely according to your taste.

Your advantages at a glance

• Regardless of Drive Select: You determine the sound, not the driving profile.

• True series mode: Module can be deactivated – ideal for workshops, service or vehicle inspections.

• Freely programmable start mode: Define how your vehicle sounds when starting.

• No interference with the CAN bus: No risks to other control units, full update security.

• Plug & Easy Installation: Original plug, no cable damage, no power taps.

• Reversible without leaving a trace: Can be returned to its original factory condition at any time.

Assembly & operation

The assembly takes place simple plug & Play. Vehicle-specific connectors allow for quick installation directly on the exhaust flaps.
For optimal reception, we recommend placing it in the trunk.
The system operates completely independently and does not generate any error messages.

Handheld transmitter – Quality in every respect

• High-quality design with brushed stainless steel front

• Long range and reliable signal transmission

• Robust construction for long-term use

Technical notes

• No modification of the vehicle software

• No impact from software updates

• For racing use only (not approved for use on public roads)

• The flaps should not be completely closed at full load.

• Installation at your own risk

Made in Germany – Quality that convinces

Our flap control system is developed and manufactured in Germany.
Rely on maximum reliability, precise function and uncompromising performance.

Scope of delivery

• RX1 (BE2) ASR flap control

• Handheld transmitter with stainless steel front

• Cable set with original connectors

• Assembly instructions

We receive a large number of custom orders and inquiries daily, so it's not always possible for us to have every item in stock at all times. If you need the item urgently, please contact us. here to our sales team, to check stock levels before making your purchase.

We completely understand if you are unsure whether a part is compatible with your car. Therefore, we strongly recommend that you contact your vehicle manufacturer here. Inquiry to us Please contact us. Our friendly sales team will then get in touch with you to confirm if this part is the correct one you are looking for.

All our products come with a standard 2-year warranty. However, this depends on the type of product. See details below. here.

At Upgrade my Car (R-Trade GmbH), we place great importance on fully informing our customers about the intended use of our products. Please note that, unless otherwise specified, all our products are specifically designed for professional racing use. They are intended exclusively for use in competitions on racetracks sanctioned by an officially recognized racing organization. We would like to point out that any use of our products outside of these conditions, including recreational off-road driving, may potentially violate local, state, or federal laws. It is important to understand that Upgrade my Car (R-Trade GmbH) assumes no liability for the legality of using our products on public roads. The responsibility for complying with applicable laws lies solely with the purchaser. We strongly recommend that our customers familiarize themselves with and comply with the relevant legal regulations before using our products.