Bilstein B4 2006 BMW 330i Base Rear Twintube Shock Absorber

This Bilstein shock absorber is engineered for the verified 2006 BMW 325i application listed below. It is selected by exact manufacturer part number 19-135021, so confirm every fitment note, suspension configuration, ride-height requirement, and included component before ordering.

Key Features

• Gas Pressure: Maintains consistent damping force across temperature changes.
• OE Design: Matches original equipment specifications for seamless integration.
• Yes, it is engineered as an OE replacement unit.

Fitment

Specifications

What’s Included

One new Bilstein product identified by manufacturer part number 19-135021. 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 B4 OE Replacement 2006-2010 BMW 650i Base V8 Rear Twintube Shock Absorber
• Bilstein B4 01-06 BMW M3 Base Rear Twintube Shock Absorber
• Bilstein B4 1982 BMW 528e Base Rear Twintube Shock Absorber

Browse the Bilstein collection for related suspension components.

Frequently Asked Questions

Will this Bilstein part fit my 2006 BMW 325i?
That application is listed, but confirm the drivetrain, cab or body style, bed length, factory suspension, production split, current ride height, and every Bilstein application note 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.