Bilstein 19-214320 Suspension Shock Absorber - Rear

Bilstein B4 Rear Shock Absorber

The Bilstein B4 OE Replacement rear shock absorber is built to restore original ride quality and handling on select BMW applications. This Bilstein shock absorber uses a twin-tube internal design and OE-style mounting points for a direct replacement on the rear suspension.

Compatible with 2008-2013 BMW M3 rear without electronic suspension and 2011 BMW 1 Series M rear, this part is a practical choice for drivers looking to return the vehicle to factory-style damping response. Part number 19-214320 is also listed under OE cross-reference numbers for the same application.

Key Features

• Bilstein B4 OE Replacement series
• Rear suspension shock absorber
• Twin-tube internal design
• Black paint finish
• Upper stem mount and lower eye mount, 13.5mm
• No boot included
• Engineered to meet or exceed OE standards

OE Replacement Details

The B4 OE Replacement line is Bilstein’s OE-style damper range for drivers who want to maintain the original suspension feel without changing the vehicle’s factory character. On BMW M3 and BMW 1 Series M rear suspension applications, Bilstein 19-214320 is focused on restoring controlled damping, consistent road contact, and the ride quality expected from the original setup.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues This Part Can Address

• Excessive rear-end bounce over bumps
• Reduced damping control from worn shock absorbers
• Uneven or unsettled ride quality
• Loss of factory-style handling response
• Rear suspension noise caused by worn dampers

Installation Notes

Verify rear fitment before ordering: Fits 2008-2013 BMW M3, rear, without electronic suspension; Fits 2011 BMW 1 Series M, rear. Confirm the upper stem and lower eye 13.5mm mounting style matches the vehicle before installation. Replace shocks in axle pairs to maintain balanced rear suspension performance.

Quality Assurance

Bilstein B4 OE Replacement dampers are engineered to meet or exceed OE standards and are backed by Bilstein’s established suspension manufacturing quality. Part number 19-214320 is built for direct OE-style replacement on the listed BMW rear applications.