BMW 3 Series G20/G21 M340i RX1 (BE1) ASR exhaust flap control

BMW 3 Series G20/G21 M340i RX1 (BE1) – ASR exhaust flap control

Rediscover the sound of your BMW – with the ASR RX1 (BE1) Exhaust flap controlThis high-quality control unit allows you to manually control your vehicle's exhaust flaps via a sleek remote control. This gives you full control over your engine's sound at all times – regardless of the selected driving mode.

Compatible with numerous BMW models, including:
1 Series (125i-140i), 2 Series (225i-240i, M2 F87), 3 Series (328i-340i, incl. G20/G21), 4 Series (428i-440i), 5 Series (530i/540i), 6 Series, 8 Series, X models, Z4 and the Toyota Supra 3.0 and BMW i8.

Your advantages at a glance

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

• Maintain serial mode: Ideal for workshops, service departments and vehicle inspections.

• Freely programmable start mode: Decide for yourself how your vehicle starts.

• No interference with the CAN bus: No risk to other control units, no error messages.

• Plug &Play Installation: Original connectors, no cable damage, reversible at any time.

• High-quality remote control: Stainless steel front, elegant design and long range.

Easy installation – 100% plug-and-play && Play

Installation is quick and easy using vehicle-specific connectors. No soldering, no cutting, no risk – the system is completely reversible and leaves no trace.

Technical Highlights

• Safe operation thanks to specially developed electronics

• Programmable start mode (last state or freely selectable)

• No error messages in memory

• Made in Germany – for maximum quality and durability

Notes

• Not approved for road use (StVZO)

• For use in motorsport only

• Installation at your own risk

• The flaps should not be completely closed during full-load driving.

Scope of delivery

• 1× ASR RX1 (BE1) exhaust flap control

• 1× High-quality remote control

• Connection cable set with original connectors

• Installation 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.