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The Febi Suspension Buffer Front Upper (174362) is a critical replacement component for specific BMW 5 Series (E39, E60, E61) and 3 Series (E46) models, engineered to restore optimal suspension cushioning and protect vital chassis components. Crafted from durable rubber to match OEM specifications, it ensures a smoother ride and extended lifespan for your suspension system, though professional installation is strongly recommended to guarantee proper fitment and safe operation.
| Model Part Number | 174362 |
|---|---|
| Brand | Febi |
A suspension buffer, or bump stop, is designed to absorb the final impacts of suspension travel, preventing metal-on-metal contact between suspension components, protecting them from damage, and contributing to a smoother ride by cushioning harsh jolts.
Common signs of a worn or failed suspension buffer include excessive noise (clunking or banging) when hitting bumps, a noticeably harsher ride, or visible cracking, tearing, or complete disintegration of the rubber buffer during a visual inspection.
While technically possible for experienced DIYers, professional installation is strongly recommended. Suspension work can be complex and requires specialized tools and knowledge to ensure safety and proper functionality.
This buffer is compatible with various BMW 5 Series (E39, E60, E61) and 3 Series (E46) models and replaces OEM part number 31331091867. Always use the make and model compatibility tool or contact your supplier with your vehicle's VIN to confirm exact fitment before purchase.
The Febi Suspension Buffer Front Upper (174362) is constructed from durable, high-quality rubber designed to withstand the stresses of suspension compression and environmental factors.
The 'Front Upper' designation indicates that this buffer is specifically designed to be installed on the upper portion of the front suspension system, typically interacting with the shock absorber or strut assembly.
Ensure the suspension buffer is properly seated and all associated suspension components (e.g., shock absorber, spring seat) are correctly assembled and torqued to manufacturer specifications. Check for any loose bolts or misaligned parts.
While the buffer helps, a harsh ride can indicate other worn suspension components. Inspect your shock absorbers, coil springs, control arm bushings, and ball joints for wear or damage. The buffer primarily prevents bottoming out, not overall ride stiffness.
Verify that the correct part was installed for your specific vehicle and application. Inspect the surrounding suspension components for any issues that might be causing excessive stress or premature wear on the buffer, such as a severely worn shock absorber allowing constant compression.
Installation of the Febi Suspension Buffer Front Upper typically requires specific tools and a good understanding of automotive suspension systems. Due to its critical role in vehicle safety and performance, it is strongly recommended that this product be installed by a competent individual or a certified professional mechanic. Fitting instructions are generally not supplied, as the process involves working with complex suspension components.
This suspension buffer is designed for various BMW models, including:
It is a direct replacement for OEM part number BMW 31331091867. To ensure correct fitment for your specific vehicle, always use the make and model tool available on the product page or contact your supplier with your vehicle details (VIN, make, model, year) before purchasing. Cross-references for this part include BOGE B3417104B, FEBEST BMSI-E39UP, and SWAG 33102149, which can further assist in compatibility verification.
Once installed, the durable rubber construction of the Febi suspension buffer requires minimal direct care. However, routine vehicle maintenance should include visual inspections of your suspension components, including the buffers, during tire rotations or oil changes. Look for signs of cracking, tearing, or complete disintegration. Addressing these issues promptly will maintain your suspension's performance and prevent further damage.
