BMW Wiring Harness Separator Battery - Genuine BMW 61129233748

Product Information

BMW Battery diagram for 550i, 550i xDrive, 640i, 650i, 650i xDrive, M6

A battery cable is a thick electrical cable that connects a vehicle’s battery terminals to the starter, ground (chassis), and electrical system. It carries the electrical current needed to start the engine and power all the car’s electrical components.

• Difficulty Starting the Vehicle: Corroded or damaged cables can reduce current flow, causing slow or no engine crank.
• Intermittent Electrical Issues: Flickering dashboard lights, radio cutting out, or other erratic electrical behavior.
• Visible Corrosion or Damage: White or greenish buildup on cable ends or frayed, cracked insulation.

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.