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      03-07-2014, 07:45 AM   #2
ovekvam
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Norway
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Drives: 2021 Galvanic Gold i3S
Join Date: Jun 2012
Location: Bryne, Norway

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You basically plug a small box into various connectors into your engine bay, to manipulate signals between sensors and actuators. It is done by software, and will give you a significant increase in power. Several people on this forum have done it. There are expensive boxes available that will ensure warranty as well.
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