This Siemens SID801 ECU has code 5WS40025D-T and fits the Peugeot 307 2.0 8V 90 HDI.






2.0 HDI 8V 90BHP

It's important that you match up the correct ECU for your vehicle, as there are many different variants for the same vehicle. If you are unsure, you just email us on remap@hdi-tuning.co.uk with a photo graph of the ECU and we can confirm if this is a compatible unit. If we don't have a compatible ECU you can send us your current unit for cloning, which will copy the immobiliser data across to another unit.

The 5WS40025D-T ECU can also include a stage 1 remap to 125 BHP, for the available remap options you can search for your vehicle details here.

ECU label

Important: Please contact to check availability before purchasing: remap@hdi-tuning.co.uk

ECU label

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