<h4><strong>Description</strong></h4> <p>Genuine BMW mechanical belt tensioner for<span data-mce-fragment="1"> the Serpentine Belt.</span></p> <p><span data-mce-fragment="1">The Serpentine Belt can be found here: <span style="text-decoration: underline;"><strong><a href="https://www.mlperformance.co.uk/products/genuine-bmw-e90-f10-f20-f25-f30-v-ribbed-belt-inc-125d-330d-535d-x3-35dx" title="Genuine BMW E90 F10 F20 F25 F30 V-Ribbed Belt Drive (Inc. 125d, 330d, 535d &amp; X3 35dx)" target="_blank"><span style="color: #2b00ff; text-decoration: underline;">Genuine BMW E90 F10 F20 F25 F30 V-Ribbed Belt Drive (Inc. 125d, 330d, 535d &amp; X3 35dx)</span></a></strong></span>.</span></p> <p> </p> <!-- Compatibility Accordion - Sam Mugabi--> <h4><strong>Compatibility</strong></h4> <style><!-- .compatibility-tab { position: relative; width: 100%; overflow: hidden; padding: 5px 0; border-top: 1px solid #cdcdcd; &:nth-last-child(1) { border-bottom: 1px solid #cdcdcd; } } .compatibility-tab label { position: relative; display: block; padding: 0 25px 0 0; margin-bottom: 3px; font-size: 15px; line-height: normal; cursor: pointer; } .compatibility-tab input { position: absolute; opacity: 0; z-index: -1; } .compatibility-tab-content { max-height: 0; overflow: hidden; transition: max-height .35s; } /* :checked */ .compatibility-tab input:checked ~ .compatibility-tab-content { max-height: none; } /* Icon */ .compatibility-tab label::after { position: absolute; color: #B79F37; font-size: 20px; right: 0; top: 0; display: block; -webkit-transition: all .35s; -o-transition: all .35s; transition: all .35s; } .compatibility-tab input[type=checkbox] + label::after { content: "+"; } .compatibility-tab input[type=radio] + label::after { content: "\25BC"; } .compatibility-tab input[type=checkbox]:checked + label::after { transform: rotate(315deg); } .compatibility-tab input[type=radio]:checked + label::after { transform: rotateX(180deg); } --></style> <div class="compatibility-accordion-wrapper"> <div class="compatibility-tab"> <input name="tabs" type="checkbox" id="compatibility-tab-1"> <label for="compatibility-tab-1"><b>1 Series</b></label> <div class="compatibility-tab-content"> <ul> <li>1' F20   (07/2010 — 02/2015)</li> <ul> <li>114d, 116d, 116d ed, 118d, 118dx, 120d, 120dx &amp; 125d</li> </ul> <li>1' F20 LCI   (05/2014 — 06/2019)<br> </li> <ul> <li>114d</li> </ul> <li>1' F21   (07/2010 — 02/2015)</li> <ul> <li>114d, 116d, 116d ed, 118d, 118dx, 120d, 120dx &amp; 125d</li> </ul> <li>1' F21 LCI   (05/2014 — 06/2019)<br> </li> <ul> <li>114d</li> </ul> <ul></ul> </ul> </div> </div> <div class="compatibility-tab"> <input name="tabs" type="checkbox" id="compatibility-tab-2"> <label for="compatibility-tab-2"><b>2 Series</b></label> <div class="compatibility-tab-content"> <ul> <li>2' F22   (08/2013 — 06/2017)<br> </li> <ul> <li>218d, 220d &amp; 225d</li> </ul> <ul></ul> </ul> </div> </div> <div class="compatibility-tab"> <input name="tabs" type="checkbox" id="compatibility-tab-3"> <label for="compatibility-tab-3"><b>3 Series</b></label> <div class="compatibility-tab-content"> <ul> <li>3' E90 LCI   (07/2007 — 12/2011)<br> </li> <ul> <li>316d, 320d &amp; 320d ed</li> </ul> <li>3' E91 LCI   (07/2007 — 05/2012)<br> </li> <ul> <li>316d, 318d, 320d &amp; 320d ed</li> </ul> <li>3' E92 LCI   (07/2009 — 06/2013)<br> </li> <ul> <li>320d</li> </ul> <li>3' E93 LCI   (09/2009 — 09/2013)<br> </li> <ul> <li>320d</li> </ul> <li>3' F30   (05/2011 — 07/2015)<br> </li> <ul> <li>316d, 318d, 318dx, 320d, 320d ed, 320dx, 325d, 328d, 328dx, 330d, 330dx &amp; 335dx</li> </ul> <li>3' F30 LCI   (09/2014 — 10/2018)<br> </li> <ul> <li>320d, 325d, 328d, 328dx, 330d, 330dx &amp; 335dx</li> </ul> <li>3' F31   (07/2011 — 06/2015)<br> </li> <ul> <li>316d, 318d, 318dx, 320d, 320d ed, 320dx, 325d, 328d, 328dx, 330