Mod Details
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![453 Fortwo/Forfour 453 Fortwo/Forfour](https://www.evilution.co.uk/wp-content/themes/evilution/images/evilution/model8.png)
Open the boot/trunk and look over to the right. Take out the Torx screws shown below…
![](/wp-content/uploads/smartlights/rearlights/453xrear/xlights18.jpg)
…then pull the lower boot trim towards the centre of the car.
![](/wp-content/uploads/smartlights/rearlights/453xrear/xlights19.jpg)
You can then pull the top boot trim away. It helps if you pull the rubber boot seal backwards to clear the trim.
![](/wp-content/uploads/smartlights/rearlights/453xrear/xlights20.jpg)
You can now see the ECU in its bracket. Remove the top 10mm bolt…
![](/wp-content/uploads/smartlights/rearlights/453xrear/xlights21.jpg)
…and the lower 10mm nuts.
![](/wp-content/uploads/smartlights/rearlights/453xrear/xlights22.jpg)
You can then tip the ECU out of the way.
![](/wp-content/uploads/smartlights/rearlights/453xrear/xlights23.jpg)
Disconnect the electrical connector and remove the ECU from the car.