Check the listing for details. Positive Battery Cable for BMW E60 5 Series 525i 528i 530i 535i 550i 61126989780. Color: Red, Condition: New. Listed at 34.10 USD. Symptoms of bad or failed BST(Battery Safety Terminal) include: Your BMW is not starting after an accident If airbags deployed BMW will not start BMW doesn’t start but accessories and light works Airbag light is ON Specifications: Product: Battery Cable (Plus Pole) for BMW Condition: New Manufacturer Part #: 61 12 6 989 780 / 61126989780 Features: Reliable Replacement Option for Your BMW Consistent Performance to Ensure that Your BMW Starts Smoothly Everytime Premium Materials That Are Built to Withstand The Rigors of Daily Use and Resist Corrosion The Cable Will Work Seamlessly With Your Vehicle’s Electrical System Consistent Performance Ensures Your BMW Starts Smoothly Every Time. Premium Materials That Are Built to Withstand The Rigors of Daily Use and Resist Corrosion. The Cable Will Work Seamlessly With Your Vehicle’s Electrical System. Reliable Replacement Option for Your BMW-Help You Solve These Problems Replacement method: First of all, park your BMW in the leveled ground, turn off the ignition and engage the parking brakes. Open the trunk and release the plastic retainers from the right side to access the battery safety terminal. Use a 10mm wrench to disconnect negative and positive battery terminals in order. Before removing BST /fused pyroswitch, unplug the two black wires which are for the airbag. Then, remove the nut connecting accessory cable to the battery clamp. Install a new Positive Terminal Cable and reconnect the black wires for airbag module. Connect positive terminal first and then negative battery terminal. Locate the diagnostic port and connect the scanner that can read airbag fault codes such as FoxwellNT510 for BMW. Keep in mind that a basic code reader won’t clear airbag faults codes. Clear any BMW fault codes stored in airbag module.