BMW Rear Door Brake - Genuine BMW 51227446729

Product Information

BMW Door and Window diagram for 320i, 320i xDrive, 328d, 328d xDrive, 335i, & more

A car door hinge is the metal joint mechanism that connects a vehicle’s door to the body frame. It allows the door to pivot open and closed smoothly while maintaining proper alignment. Car doors typically use two hinges per door (upper and lower), designed to handle the weight of the door and repeated daily use.

• Sagging or misaligned door – the door drops slightly, making it hard to close without lifting.
• Creaking, squeaking, or grinding noises – unusual sounds when opening or closing the door.
• Difficulty latching/closing – door doesn’t shut properly, often requiring extra force.

About Genuine BMW

The original parts used by BMW to build your car are available as replacement parts under the “Genuine BMW” brand. When ordering a Genuine BMW part you are guaranteed to get the same part that you would pick up from your local dealerships part department. Genuine BMW parts have been built to BMW’s stringent standards and are the same quality of the original parts used to build your Ultimate Driving Machine.

You may not realize this, but the parts that make up your BMW are not necessarily manufactured by BMW. No cause for concern, as BMW designs the part, hires a manufacturer, and ensures its quality to you. In fact, many of these manufacturers have been making parts for BMW for decades. In our industry these manufacturers are called OEM (Original Equipment Manufacturers), and these are often brands you recognize, including Lemforder, ZF, Sachs, Bosch, Valeo, Zimmermann, Siemens VDO, Corteco, and more. Don’t be surprised to open that Genuine BMW parts box and find an OEM branded part inside, simply with the addition of a BMW logo.

Be sure to keep an eye out for OE tags on our product pages to quickly identify parts coming direct from OE manufacturers. That extra bit of insight could save you some serious money while shopping! Refer to our OE Academy for further information regarding the OE/OEM tags throughout the site.