Bilstein B12 Pro-Kit Suspension Kit – 2015–2020 BMW M4 | 46-281784

Bilstein B12 Pro-Kit Suspension Kit – 2015–2020 BMW M4 | 46-281784 is an application-specific Bilstein suspension solution for BMW M4 2015-2020. For this application, the upgrade is best viewed as a way to sharpen chassis control while preserving predictable balance. That makes it appropriate for an enthusiast street car, canyon use, autocross or HPDE use depending on the rest of the vehicle's spring, tire and alignment setup.

Why Bilstein B12 (Pro-Kit) for This Application?

The B12 package is a matched spring-and-damper solution rather than a pieced-together suspension combination. It targets the driver who wants a lower, more controlled chassis without moving to a threaded height-adjustable coilover system. For the BMW application shown here, Bilstein assigns this product to Front and Rear, so the part should be chosen by both chassis fitment and suspension position.

Application-Specific Product Details

• Bilstein Series: B12 (Pro-Kit)
• Product Type:
• Application: BMW M4 2015-2020
• Position: Front and Rear
• Listed Shipping Weight: 62.7 lb
• Country of Origin: DE

Choosing the Right Bilstein Setup

For this application, the upgrade is best viewed as a way to sharpen chassis control while preserving predictable balance. That makes it appropriate for an enthusiast street car, canyon use, autocross or HPDE use depending on the rest of the vehicle's spring, tire and alignment setup. If the vehicle has been lowered, lifted, converted from factory electronic suspension, or carries substantial added weight, verify that this exact Bilstein series and part number matches that configuration before purchase.

Fitment Considerations

Confirm the vehicle's year, model, drivetrain and existing suspension configuration before ordering. Bilstein fitment can vary by axle, body style, factory suspension package and ride-height configuration even within the same model range.

Part Numbers & Configurations

Each selectable variant corresponds to the Bilstein part number shown above. Order the quantity required for the positions being serviced.