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How to Open the Key to Replace the Battery of the BMW 3 Series

Model: BMW Serie 3 E46 - Years: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Part: Key

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Video tutorial

In this short and simple guide, you will find instructions to open the remote and replace the battery of the BMW 3 Series key. First, take the remote in hand and start prying at the side slot using something thin and sharp to split the remote casing into two parts; then access the circuit board and the battery, which you will remove and replace, as shown in the video.

Now install the new battery of the correct type, inserting it in the right direction; then snap the two casings back together!


Updated on 9 June 2026 by ScegliAuto


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How to reset the tyre pressure warning light on the Kia Niro EV?

To reset the tyre pressure warning light on the Kia Niro EV, inflate the tyres until they reach the correct pressure value. This value is indicated on the sticker attached to the driver's door pillar. Once the tyres are inflated, turn on the instrument cluster to check that the warning light has completely disappeared from the display. If it is still present, you may need to drive for a few miles to ensure it disappears completely from the screen.

Watch the video!


by ScegliAuto

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