Question about 1990 BMW 5 Series

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The battery is dead and I can't open the doors

I have tried the standard solution (lifing the passenger door handle while turning the key) and this doesnt work'.

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Spray some silacone oil into key holes and just keep trying to open it will open as the oil gets in to the lock dont be afraid to keep spraying oil good luck.adrian

Posted on Feb 15, 2009

  • adrian halligan Feb 16, 2009

    the drivers door lock has the master reset and it dosnt matter if the battery is flat or not because we all use the fob to open our cars the lock becomes dried out as i said spray silacone spray in the lock and gently move the key right to left until it comes lose or opens.adrian

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You will have to jack up the car and connect jumper cables to the battery lead at the starter (+) and a good ground (-) to power up the system. The doors will unlock when you do this. I have run into this quite a few times.

Posted on Feb 15, 2009

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