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How to Disconnect a BMW X5 2002 Battery

The 2002 BMW X5 battery is located in the trunk, beneath the spare tire. When you need to replace the battery in your X5, you need to remove the spare tire from the trunk to access it. Buy a replacement battery from an auto parts retailer or BMW dealer. Change the battery yourself at home for a fraction of what it would cost to have a mechanic do the job.

Instructions

1

Remove the key from the ignition. Open the trunk of the X5.

2

Lift up the carpet lining above the spare tire. Remove the four retaining nuts around the center of the spare tire with a 10-mm socket attached to a ratchet.

3

Lift the spare tire out of the trunk. Remove the bolts on each end of the crossbar over the battery with a 13-mm socket and ratchet. Lift the crossbar out of the trunk. Loosen the negative battery cable with a 10-mm socket and ratchet. Remove the cable from the battery. Repeat the process on the positive cable.

4

Lift the battery out of the trunk. Insert the new battery in the same alignment as the old one. Attach the positive battery cable and tighten it with the 10-mm socket and ratchet. Repeat the process with the negative cable. Replace the crossbar and secure the bolts with a 13-mm socket and ratchet.

5

Replace the spare tire. Secure the retaining nuts with a 10-mm socket and ratchet set. Replace the carpet over the spare tire area and close the trunk.