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Removing the Auxiliary Belt Tensioner of the BMW 1 Series 1.5 Diesel

Model: BMW Serie 1 F21, MK 2, F20 - Years: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Part: V-belt

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Video tutorial

Today, we will go through the main steps to remove and replace the auxiliary belt tensioner of the BMW 1 Series with a 1.5 Diesel engine. First, open the bonnet and start removing the air filter box by unscrewing the screws on the sides; then loosen the auxiliary belt tensioner to remove the belt itself, as shown in the video.

At this point, unscrew the nuts of the tensioner using a socket spanner, remove it, and replace it with the new one; finally, refit the new belt!


Updated on 27 May 2026 by ScegliAuto


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by ScegliAuto

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