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Genuine BMW SOS / TCB Backup Battery – 84109297787
Genuine BMW replacement backup battery for the TCB telematics unit and SOS emergency call system. Provides backup power to the unit if the vehicle’s main power supply is interrupted.
OE part number: 84109297787 / 84 10 9 297 787.
Application: selected BMW vehicles equipped with a compatible TCB telematics unit. Always verify fitment by VIN and the part number of the original battery. Vehicle model and production year alone do not guarantee compatibility.
Replacement is recommended when diagnostics confirm that the original battery is faulty. An SOS warning can also have other causes. Stored fault codes may need to be cleared using diagnostic equipment after replacement. Professional installation is recommended.
Scope of delivery: 1× genuine BMW backup battery.
EUR
GBP
