1. Product Introduction
The 31331124449 strut bump stop is an essential chassis component for BMW suspension systems. It functions as a buffer to limit the compression travel of the shock strut, reduce rigid metal contact between suspension parts, absorb road vibration, and suppress abnormal noise during driving. This reliable aftermarket replacement effectively protects shock absorbers and extends the service life of vehicle chassis components.
Produced by Bonpora Parts and Components Co.,Ltd., a professional Chinese manufacturer specializing in suspension rubber and polyurethane parts, this BMW bump stop is manufactured following strict OEM standards. With stable physical performance and consistent quality, it is widely purchased by global auto parts distributors, repair garages, and bulk wholesalers.
2. Product Specifications
Every strut bump stop is strictly inspected during production to achieve precise OEM matching. Below is the clear parameter list for your bulk purchasing reference:
Item | Specification |
Product Name | Strut Bump Stop |
OE Number | 31331124449 |
Bonpora Part No | 4110086 |
Compatible Brand | BMW |
Size | Φ18.2xΦ68.1x85.9 (OEM Standard Size) |
Material | Polyurethane |
Origin | China |
Quality | High-Performance |
Warranty | 1 Year |
Delivery Time | 15-30 Days |
Packaging | Neutral Export Packaging |
Custom Service | OEM & Custom Design Support |
3. Product Advantages
3.1 Durable Polyurethane Material
Different from ordinary rubber bump stops, our polyurethane material features better abrasion resistance, compression resistance and aging resistance. It can withstand complex road conditions and temperature changes without cracking, hardening or deformation, ensuring longer service life for BMW suspension systems.
3.2 Exact OEM Dimension Matching
Manufactured with strict OEM standard size Φ18.2xΦ68.1x85.9, this bump stop requires no modification during installation. Perfect fitting for applicable BMW models helps buyers save assembly time and reduce after-installation failure rate.
3.3 Professional B2B Factory Supply
Bonpora is a mature manufacturer focusing on auto suspension buffer parts. We provide stable bulk supply, OEM customization and neutral export packaging to meet global trade demands. All products pass standardized quality inspection before shipment.
4. Frequently Asked Questions
Q1: How do I know if my BMW needs a new bump stop?
If you hear clunking noise when passing speed bumps or rough roads, or feel stiff chassis vibration during driving, your bump stop is likely worn out. Timely replacement prevents secondary damage to shock absorbers and suspension brackets.
Q2: Why choose polyurethane bump stop over rubber?
Polyurethane has stronger toughness and compression recovery capability. It is more resistant to oxidation and deformation than rubber. For wholesale buyers, polyurethane bump stops bring lower return rate and better customer satisfaction.
Q3: Do you support customized orders for BMW suspension parts?
Yes. We support OEM manufacturing and custom design. You can customize product hardness, logo marking, appearance size and export packaging. We provide one-stop sourcing service for global auto part traders.
5. Why Choose Bonpora as Your Supplier
Stable Quality: Standard production process and multi-point quality inspection ensure consistent batch quality.
Continuous Supply: Mature production chain guarantees 15-30 days delivery for bulk orders.
Worry-free After-sales: 1-year warranty reduces purchasing risks for all cooperative clients.
Export-friendly Package: Neutral packaging simplifies customs clearance for worldwide shipment.
For wholesale inquiries about BMW strut bump stop 31331124449, contact Bonpora Parts and Components Co.,Ltd. We offer factory direct price and reliable customized service for global business buyers.
