Description
This is a genuine BMW battery power distribution box for BMW 1 Series E87 and 3 Series E90 models, supplied under OEM number 6936653. It is the original battery-mounted power distribution unit used to route main electrical power from the battery to key vehicle circuits.
Its job is to distribute battery voltage safely and consistently to major electrical systems, helping maintain stable power delivery for starting, charging and onboard electronics. In BMW applications, this unit forms an important connection point within the vehicle’s main power supply network.
Common signs of a faulty unit include intermittent loss of electrical power, no-crank starting problems, sudden voltage drop, melted or heat-damaged terminals, or visible corrosion and looseness at the battery connection points. Electrical cut-outs and unstable supply to multiple systems can also point to failure in this type of component.
This is a used original part, removed from a vehicle and tested. Match OEM number 6936653 before ordering. Professional installation is recommended, as secure high-current connections are essential and related fault memory clearing or adaptation may be required after replacement.
Returns accepted only for genuine faults — faulty on arrival, not as described, or wrong part supplied — requested within 14 days, with all 3 anti-tamper stickers intact. No returns for change of mind, incorrect installation, coding/programming, or buyer compatibility errors; checking compatibility (OEM number, firmware, vehicle) is the buyer’s responsibility. Full policy: https://giantparts.eu/refund-and-returns/
