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Frequently asked questions about cars and motorcycles

Replacing the Tensioner on BMW 3 Series E90

Model: BMW Serie 3 E92, E90, E91 - Years: 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013

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Video tutorial

In this video tutorial, you will learn how to remove the tensioner on a BMW 3 Series with a 3.0L engine. Open the hood and loosen the tensioner using a ratchet wrench to remove the belt.

Once done, unscrew the tensioner bolt with a socket wrench to take it off, as shown in the video. Then, install the new tensioner by first hand-tightening the bolt and then tightening it with the wrench to the proper torque.

Reinstall the new belt by loosening the tensioner to complete the job!


Updated on 28 March 2026 by ScegliAuto


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How to open the boot if it is stuck on a Mercedes B-Class?

On the Mercedes B-Class, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In this case, perform the emergency opening by following the simple procedure shown in this tutorial. First, unlock the locks with the remote control, then open the rear doors and, by operating the indicated lever, lower the backrest of the seat. Next, go inside the boot, locate the indicated gap, and manually unlock the lock using a small screwdriver.

Watch the video!


by ScegliAuto

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