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BMW 3 Series E90 Battery Replacement

Model: BMW Serie 3 E91, E90, E92 - Years 2005-2013
Part: Battery

Open the trunk and look to your right. In the trunk frame, there is a small door that you can easily remove, which hides the sought-after battery behind it. Unscrew the bolts that hold the mounting bracket. Unscrew the negative terminal with a 10 mm wrench, then disconnect the blue connector by prying it out with a small flat screwdriver. Similarly, disconnect the black tube located in the hidden part of the battery. Unscrew the positive terminal (also with a 10 mm wrench). Open the side retaining clips and remove the battery. Reverse the procedure for installation.

Updated on 3 April 2026 by ScegliAuto

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    • Serie 3 2005-2013 - Where is the battery of the BMW 3 Series located? Read answer

How to Open a Stuck Boot on the Peugeot 407?

On the Peugeot 407, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In such cases, you can perform an emergency opening by following the simple procedure shown in this tutorial. First, open the rear doors, then lower the seat back by operating the release lever. Next, go inside the boot, locate the lock, and manually operate it using a flathead screwdriver. The boot will then be free to open.

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