Motec M4 E Lambda Upgrade

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  • translation missing: en.product.regular_price £240.00 (Ex-vat : £200.00)


*SPECIAL ORDER ITEM* - Click to learn more


MoTec M4 lambda Upgrade is a software upgrade to enable Lambda

It can only be added to an ecu that already has the Motec M4 Pro upgrade.

You will also require a Lambda sensor.


This is a software upgrade which consists of a new code which is sent to the ecu via laptop. You may purchase online, but please forward your ECU serial number. You will receive your code via email.



  • Special order
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- Lambda sensor not included - Ecu must already have M4 Pro upgrade