Bilstein 19-135052 Suspension Shock Absorber - Rear

Bilstein B4 Rear Shock for BMW 328i and 335i

Bilstein B4 OE Replacement shock absorber 19-135052 is built to restore original ride quality and handling on select BMW rear suspension applications. It is a direct-fit OE-style damper for drivers who want factory-like control with Bilstein engineering.

The B4 OE Replacement line is focused on maintaining the vehicle’s original suspension character while meeting or exceeding OE standards. For BMW 328i, 335i, 335is, 335d, 325i, and 330i rear applications, this shock is matched to the factory setup for a precise replacement.

Key Features

• Bilstein B4 OE Replacement series
• Rear suspension shock absorber
• Twintube internal design
• Black painted finish
• Upper stem mount and lower eye mount
• Boot not included
• OE-style ride quality and handling restoration

Detailed Description

Part number 19-135052 is a Bilstein shock absorber engineered for rear suspension service on select BMW models. It uses a twintube design and OE-style mounting points to support factory-correct fitment and suspension response. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Compatible With BMW rear applications including 2006 BMW 325i, 2006 BMW 330i, 2007-2013 BMW 335i, 2007-2011 BMW 328i, 2009-2011 BMW 335d, 2011-2013 BMW 335is, and 2012 BMW 328i with standard suspension. It also fits 2013 BMW 328i and 2007-2011 BMW 328i with sport suspension, plus 2007-2013 BMW 335i with sport suspension. The Bilstein 19-135052 is a practical OE replacement for restoring rear damping performance on these BMW chassis.

What This Shock Can Help Address

• Excessive rear bounce after bumps
• Reduced damping control from worn factory shocks
• Uneven or unsettled rear ride quality
• Loss of original handling feel in the rear suspension
• Noisy or tired rear shock performance from age and mileage

Installation Notes and Tips

Verify rear fitment by year, model, and suspension package before ordering. This shock uses a stem upper mount and eye lower mount, so confirm the mounting style matches the vehicle. Boot is not included, so inspect the existing dust protection components during service and replace any worn suspension hardware as needed.

Quality Assurance

Bilstein B4 OE Replacement dampers are engineered to meet or exceed OE standards while preserving the vehicle’s original ride characteristics. Part number 19-135052 is built for consistent rear suspension performance on the listed BMW applications.