Upgrade Your Motec M4 E with High-Precision Lambda Monitoring

Description

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.

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