BMW Connector Quadruple Black (120Ohm) - Genuine BMW 61138373688

Product Information

BMW Wiring diagram for 1 Series M, 128i, 135i, 135is, 325i, 325xi, 328i, & more

A multi-purpose electrical connector is a plug-and-socket device used to join sections of a vehicle’s wiring harness. It allows electrical signals and power to flow between different components, such as sensors, control modules, and accessories. These connectors come in various sizes and pin configurations and are designed to be durable while allowing easy disconnection for repairs or replacements. Over time, exposure to heat, vibration, and moisture can cause them to fail.

• Intermittent or lost electrical function – lights, sensors, or accessories stop working due to poor connection.
• Corrosion or moisture intrusion – green/white buildup, rust, or water inside the connector causing shorts.
• Loose or damaged pins – bent, broken, or spread terminals leading to weak or no electrical contact.

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.