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How to Replace the BMW Z4 Remote Battery?

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

In this tutorial, you will see how to replace the battery in the BMW Z4 remote, a very simple and quick operation. For this, you will need a small flathead screwdriver and a replacement CR2025 battery. First, locate the slot on the top edge of the remote, just outside the ring. Then, insert the tip of the screwdriver into the slot, pry it open, and separate the two halves. Next, remove the old battery, insert the replacement while respecting the polarity, and reassemble everything by following the reverse procedure.

Posted on 28 May 2026 by ScegliAuto

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To bleed the clutch on a Renault Clio, open the bonnet to access the components located in the engine bay: here, you will need to undo the screws that secure the battery in its housing, the intake manifold, and the coolant reservoir. This will allow you to locate the pipe through which the brake fluid flows: by inserting the other end of the pipe into a container, you can press the clutch pedal to expel all the fluid until it fills the container.

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