A straightforward upgrade which adds functionality as well as (in my opinion) looking smarter.
Cost: £12 approx including shipping from AliExpress
Comes with everything you need in the box.
Pop off the mirror cover.
Remove the old lighting strip by unfastening the two screws and disconnecting the power connector. There’s a small push pin on the connector and a tab to push in on the light strip.
Fit the new unit, clip and screw in place and re-attach power connector.
Mirror cover clips back in place by ensuring the top is located in position first.
Even looks a major improving with the sleeker/darker look even when not lit.