Bilstein B1 Suspension Ball Joint Bolt Kit

This universal Bilstein shock or strut is selected by exact manufacturer part number 13-100131. Confirm its dimensions, mounting interface, position, quantity, and intended suspension function before ordering.

Key Features

• Includes all critical hardware for a complete service in a single kit.
• Engineered to Bilstein B1 component specifications for precise fit within the B8 control arm ecosystem.
• Lift and safely support the vehicle; remove the wheel from the affected corner.
• Press the old ball joint out of the B8 control arm using a ball joint press.
• Press the new Bilstein 13-100131 ball joint into the control arm until fully seated.
• Insert the ball joint stud into the knuckle and torque the castle nut to Bilstein specification.

Fitment

Specifications

What’s Included

One new Bilstein product identified by manufacturer part number 13-100131. Mounts, isolators, fasteners, alignment parts, bump stops, tools, and companion components are included only when expressly stated for this exact part number.

About Bilstein

Bilstein develops lowering, lifting, shock, strut, coilover, spring, sway-bar, spindle, and related suspension products for trucks, SUVs, and performance vehicles. Product selection remains exact-application and exact-part-number specific.

Related Bilstein Products

• Bilstein 21-24 BMW M3 G80 B1 Module – Active to Passive Suspension Conversion Kit
• Bilstein Audi / Volkswagen B1 Module – Active to Passive Suspension Conversion Kit
• Bilstein B1 (Components) – Suspension Hardware Kit

Browse the Bilstein collection for related suspension components.

Frequently Asked Questions

Is this Bilstein part vehicle specific?
No verified vehicle YMM is assigned. Match the exact dimensions, mounting interface, position, quantity, suspension configuration, and intended function before ordering.

Will I need an alignment after installation?
An alignment is recommended whenever ride height or suspension geometry changes. Verify tire clearance, steering travel, brake-line routing, headlight aim, and all fastener torque after the work.

Does this include every part needed for installation?
Only parts expressly stated for this exact manufacturer part number are included. Reuse or replacement of mounts, isolators, hardware, alignment parts, bump stops, and related components depends on the application.

Installation Instructions

Follow the current Bilstein instructions and vehicle service information for this exact part number. Support the vehicle safely, use the specified tools and torque values, inspect all mounts and hardware, verify brake-line and tire clearance, settle the suspension, and complete an alignment when geometry or ride height changes. Professional installation is recommended.