In the Trunk.
On a 98 740i, the battery is located in the trunk behind a carpeted cover on the right hand side, just behind the right rear wheel well.
It is in the trunk on the passenger side under a cover on the back corner where the jack is.
it is located in the trunk
Under the back seat
Take to a qualified BMW mechanic.
Carefully.
it never needs to be changed
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Inner side of driver's side frame rail
IF IT IS THE SAME AS A '93 IT IS UNDER THE BACK SEAT PASSENGER SIDE
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