BMW 1 Series 125i 135i 140i (F40) RX1 (BE1) ASR exhaust flap control

ASR exhaust flap control RX1 – For BMW models with electric exhaust flap (Type BE1)
Suitable for BMW 125i, 135i, 140i (F20/F21/F40)

The ASR RX1 exhaust flap control allows you to manually control your exhaust flaps – precisely and at any time via remote control. This gives you complete control over the sound of your BMW and frees you from being tied to the selected driving profile.

Your advantages at a glance

• Regardless of Drive Select: You decide how your vehicle sounds – completely independent of the mode in the vehicle menu.

• True series mode: The module can be completely deactivated and remains in its factory state even after the vehicle is started. Ideal for workshop visits, servicing, or vehicle inspections.

• Individually programmable start mode: Specify which mode your vehicle should start in – last state or a fixed start mode.

• No interference with the CAN bus: No impact on other control units and insensitive to software updates.

• Plug &Play Installation: Vehicle-specific original connectors – no cable damage, no power thieves, reversible without leaving any residue.

Start mode – flexibly customizable

The startup mode can be freely programmed at any time. By default, the device remembers the last selected state. If desired, a specific mode can be permanently saved – confirmed by opening and closing the flaps five times.

Assembly

Assembly is straightforward via plug. & Play directly at the exhaust flaps. For optimal reception and protection from the elements, installation in the trunk is recommended. The cables are sufficiently long.

Other features

• Reversible without leaving any trace

• No entries in the error memory

• High-quality remote control with stainless steel front and long range

• Designed for electric flap systems – permanently reliable

• Quality product – Made in Germany

Notes

• Not approved under the German Road Traffic Act (StVZO).

• For racing, show purposes or export only

• Do not close flaps completely at full load

• Installation at your own risk

• No liability is accepted for failure to heed the 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.