Telematics Control Unit (in roof)--battery replacement - BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST
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61129259425 Safety Postive Battery Fuse Cable Fit for BMW F30 F31 F34 F36 F33 F32 Car Accessories Battery Overload Protector - AliExpress Automobiles & Motorcycles
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