How to Replace the Remote Battery for an Older BMW X5?
3 Answers
The method to replace the remote battery for an older BMW X5 is as follows: 1. Press the square button on the upper right corner of the key's back with your left hand; 2. Pull out the mechanical key with your right hand; 3. Press the square button on the upper right corner of the key's back; 4. Pry open the operation hole of the remote key to open the back cover; 5. Use tweezers to remove the old battery and replace it with a new one of the same model. Taking the 2021 BMW X5 Sport Package as an example, it is a mid-to-large-sized car with body dimensions of length 4930mm, width 2004mm, height 1776mm, a wheelbase of 2975mm, and a fuel tank capacity of 83 liters. The 2021 BMW X5 Sport Package is equipped with a 2.0L turbocharged engine, with a maximum power speed of 5000 to 6000 rpm and a maximum torque speed of 1550 to 4500 rpm.
I really enjoy tinkering with minor car issues and have replaced the remote battery for my old BMW X5 multiple times. First, carefully examine the back of the key—there's a small gap or indentation. Use a thin plastic card or a small screwdriver to gently pry open the cover, but don’t apply too much force to avoid breaking the clips. Once the back cover is open, you’ll see the CR2032 coin battery. Carefully remove the old battery, noting the correct polarity (usually the + side faces downward). Purchase a new CR2032 battery, preferably a reputable brand like Panasonic, to avoid leakage from cheap alternatives. Insert the new battery, then firmly press the cover back into place, ensuring the clips snap securely. Test the remote buttons near the car—if the lights respond, it’s a success. If not, recheck the battery orientation or clean any dirty contacts. When the remote starts lagging or has a shorter range, it’s a sign of battery aging. I recommend replacing it every two years as a preventive measure to avoid mid-drive malfunctions and frustrations.
As a meticulous person, I change the battery of my old BMW X5 remote quite carefully. Use a fingernail or card to gently pry open the cover at the small gap on the back of the key, avoiding excessive force. After opening, remove the old CR2032 battery, being careful not to touch or dirty the electrical contacts. Buy a new CR2032 battery from the supermarket, and before placing it in, check the positive direction using the old battery as a reference. Press the cover firmly back in place and immediately test the remote buttons to see if the light comes on. It's advisable to handle everything gently to prevent scratching the key. After replacement, stand near the car and press the buttons several times to confirm normal operation. If the response is slow, the battery might be inserted the wrong way and needs to be reinstalled, so take it step by step for reliability. When the remote's light starts flashing weakly during normal use, it's time to prepare for a battery change to avoid parking issues at night. Don't overlook these safety details.
