Stabilus 4B-547558

Stabilus 4B-547558 Gas Strut Overview

The Stabilus 4B-547558 gas strut is built for specific BMW hatchback applications that need controlled lift and steady support. With a 470 N force rating and OE-style plastic socket connections, it is a direct-fit replacement for selected BMW 118i, 120i, M135i, and M140i models.

Use Stabilus 4B-547558 when you need consistent opening and closing support for a panel, hatch, or liftgate on the listed BMW applications. The compact body and rod dimensions are matched to the original equipment style for proper fitment.

Key Features

• Stabilus part number 4B-547558
• 470 N / 105.67 lb force rating
• Compressed length: 286 mm (11.26 in)
• Extended length: 466.5 mm (18.366 in)
• Rod diameter: 8 mm (0.315 in)
• Tube diameter: 18 mm (0.709 in)
• Plastic socket rod and tube connections
• OE-style dimensions for listed BMW fitments

Detailed Description

Stabilus 4B-547558 is a gas spring engineered around the dimensions and force output needed for specific BMW body applications. The 470 N force rating, 286 mm compressed length, and 466.5 mm extended length help maintain controlled movement and support where the original strut has weakened or failed. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application. It is a fitment-based replacement for BMW 118i, BMW 120i, BMW M135i, and BMW M140i models in the years listed below.

Vehicle Fitment

• Fits 2018-2019 BMW 118i, N/A, F20
• Fits 2016-2019 BMW 120i, N/A
• Fits 2017-2019 BMW M140i, N/A
• Fits 2013-2016 BMW M135i, N/A
• Fits 2012-2015 BMW 118i, N/A

Common Issues This Part Can Address

• Weak or failing hatch, hood, or panel support
• Slow or uneven opening action
• Loss of holding force in the raised position
• Drooping or unsupported access panels
• Reduced control during opening and closing

Installation Notes and Tips

Verify the original strut length, force rating, and socket style before installation. Match the part to the exact BMW model and year listed for proper fitment, and inspect the mounting points for wear or damage before replacing the gas strut. Compare the old unit to Stabilus 4B-547558 to confirm the compressed length, extended length, and connection type.

Quality Assurance

Stabilus is a recognized OE supplier of gas springs and lift support components, and this part is built to the dimensional and force specifications shown above for the listed BMW applications.