Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

How to Change the Key Battery on the BMW Z4 - X3 E83 - 3 Series E46

Model: BMW Z4 E85, E86 - Years 2002-2008
Part: Key

In this brief and simple guide, learn how to disassemble and replace the battery in the key remote for the BMW Z4, as well as the X3 E83 and the 3 Series E46. First, take your remote and use something thin to pry open the sides to remove the casing from the key. Once the electronic board is removed, take out the battery as shown in the video. Now, replace it with a new one of the correct type; simply insert it in the correct orientation and reassemble the electronic board and casing onto the key!

Updated on 26 April 2026 by ScegliAuto

Video tutorial

Related tutorials

How to Remove the Cabin Air Filter on a BMW Z4
How to Remove the Cabin Air Filter on a BMW Z4
BMW Z4 (2002-2008 / E85, E86) Let's change the cabin air filter on a BMW Z4. Open the right door and access the interior; use the appropriate wrench to remove the screws located u…
How to Replace the Key Battery on BMW Z4
BMW Z4 (2002-2008 / E85, E86) Replace the key battery on a BMW Z4. Take your remote key and use a screwdriver to pry between the two halves of the plastic key cover until they sep…
How to Replace the Key Battery of the BMW Z4
How to Replace the Key Battery of the BMW Z4
BMW Z4 (2002-2008 / E85, E86) If you need to replace the battery in the remote key of your vehicle, you can find instructions on how to proceed in the description below and also c…

How to Replace the Diesel Filter of the Peugeot 3008 1.5 BlueHDI

Briefly, we will see the main instructions for dismantling and replacing the diesel filter of the Peugeot 3008 1.5 BlueHDI. First, locate the diesel filter under the vehicle, so it will be necessary to lift it; then disconnect the electrical connector and the fuel lines from the filter, unscrewing the side screws to remove the cartridge, as shown in the video. At this point, replace the diesel filter with the new one, as well as with the original one; then reconnect the pipes and the electrical connector, following the video tutorial to the end!

Watch the video!


by ScegliAuto

More videos