Bilstein B1 iRC Suspension Control Module

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100% Guaranteed to Fit

In the highly unlikely event of a fitment problem, we’ll return your purchase at no cost to you. We pay return shipping on all orders, so it won’t cost you a penny to send back a defective part.


Let your vehicle suspension adapt to any type of driving situation automatically with the use of the Bilstein B1 (iRC).

  • Features 2 modes (sport+ and comfort+)
  • Real-time adjustment
  • Clear layout
  • Easy-to-use mobile phone app

Innovative Suspension System Solution

The Bilstein B1 (iRC) is also more in touch with technology as you can use your smartphones to control your suspension system.

Comfort & Performance Guaranteed

When it comes to delivering comfort and performance, you can trust that the Bilstein B1 (iRC) will pull through.

Create, Save & Share!

The new feature of the Bilstein B1 (iRC) will allow you to create, save and share your own custom damping settings. Each mode can be custom-tuned to meet your demands.

More Functional

With the Bilstein B1 (iRC), it also emits a graphic output of the longitudinal and lateral acceleration on your mobile phone. Plus, you get to choose the illumination color of the RC button.

Make The Most Out of Your Suspension System

The Bilstein B1 (iRC) is very functional and user-friendly and you won’t have a hard time using it at all. With this, you get to make the most out of your suspension system!

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This product comes with the manufacturer's warranty.
Part Numbers

The following part numbers are available in this product line:


To purchase this product for your vehicle, please select the Year, Make and Model of your vehicle at the top of this page.

Audi (2008-2015)

A3, A4, A4 Quattro, A5, A5 Quattro, RS5, S3, S4, S5

BMW (1999-2015)

128i, 135i, 135is, 320i, 323Ci, 323i, 325i, 328Ci, 328i, 330Ci, 330i, 335d, 335i, 335is, 428i, 435i, 525i, 530i, 535i, 545i, 550i

Mercedes-Benz (2003-2011)

CLS500, CLS55 AMG, CLS550, CLS63 AMG, E320, E350

Volkswagen (2005-2015)

Beetle, CC, Golf, GTI, Jetta, Passat