Since this is a customized part, all orders are made to match your specific requirements, and cannot be sold again.
2021-2024 BMW 4 Convertible Rear Bumper with 4 Sensors for M Sport M440 OEM# 51129850251 PL# BM1100460
Product Details
Upgrade your BMW 4 Convertible with this premium Rear Bumper Cover, specially designed and painted to perfectly match the models including the 430 with M Sport package and M440 variants. This replacement bumper cover comes primed and features four sensor holes, ensuring full compatibility with your vehicle's original parking sensor system for seamless integration.
Manufactured to OEM specifications (OEM# 51129850251) and referenced by PartsLink# BM1100460, this bumper cover guarantees an exact OEM fit that meets BMW's quality standards. Crafted from high-grade, durable automotive plastic, it offers excellent impact resistance and longevity while maintaining a lightweight profile for optimal performance.
Since this bumper cover arrives painted, it facilitates a hassle-free color match to your BMW's factory finish, saving you time and additional painting costs. Installation is straightforward, designed for direct bolt-on fitment with existing mounting points, making it an ideal replacement part for both DIY enthusiasts and professional installers.
Choose this BMW 4 Convertible Rear Bumper Cover for a reliable, compatible, and high-quality solution that restores your vehicle’s aesthetics and functionality to factory condition.
Painted Services

Professional-Grade Auto Parts Painting
Every bumper, hood, fender, mirror, or radiator support is painted with high-quality materials for a long-lasting finish that matches body shop standards.
Three-Coat System with Clear Coat
Each part receives multiple coats of paint plus a clear coat for durability and a flawless finish.
Know Before You Order
All painted parts are not returnable and are FINAL SALE.
Inspect all parts before accepting delivery.
If you notice any damage, refuse the shipment—this is the only way we can file a claim. Accepted damaged shipments may incur shipping and restocking fees.
Aging paint & color matching consideration.
We match paint using OEM factory codes, but older vehicles present more challenges. Over time, sun exposure, oxidation, and previous repaints can significantly alter your car’s color.
Parts Classification Guide:
Understand Your Options
Original Equipment Manufacturer (OEM) Parts – Built by the same manufacturers that supply parts to automakers, ensuring factory fit and quality.
Certified Aftermarket – Tested and verified to meet OEM specifications, providing a reliable option for OEM replacement parts.
TYC Parts – Aftermarket Parts designed to match OEM fit, offering a great balance of price and quality from one of the top aftermarket manufacturers.
Value Aftermarket – Generic replacement parts designed for your vehicle, focused on price savings over original manufacturer branding.
Note: Not all parts are available in every option. If you don’t see your vehicle’s part listed under a specific category, it means we currently do not have it in stock.
























