BMW M4 G82/G83 CB2 ASR exhaust flap control

ASR CB2 exhaust flap control – precise exhaust flap control via the exhaust button

The ASR CB2 exhaust flap control allows you to directly control the exhaust flaps via the standard exhaust button – completely plug and play. & play, without interfering with the CAN bus. Designed for maximum reliability and compatible with the following models:

• BMW M2 G87

• BMW M3 G80/Touring G81

• BMW M4 G82/Convertible G83

Features at a glance

Exhaust button

• Active: flaps permanently open

• Inactive: Flaps open at 4000 rpm

Series mode/Workshop mode
The module can be activated or deactivated via a defined key combination. When deactivated, the vehicle behaves as if it were in its original factory condition – ideal for workshop visits or when discreet use is required.

Assembly

The installation is completely plug-in. && play:

• Directly at the exhaust flaps

• Additionally, the data bus is located at the front right in the passenger footwell.

Other features

• Reversible at any time – without leaving a trace

• Standalone system without CAN bus intervention

• No error messages

• Brand product Made in Germany

Notes

• Not approved for use on public roads (StVO)

• For racing use only

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

• Installation at your own risk

• No liability is accepted for damages resulting from failure to heed these instructions.

• Product images may differ from the actual item.

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.