For Technical Questions, Contact Us

EFI Standalone Notes and Files: Please Right Click to "Save File As"

Just getting started with EFI? A MUST READ BELOW.

EFI- Getting Started

DOWNLOAD AND/OR INSTALL AT YOUR OWN RISK!!! Please email us with any questions BEFORE attempting these upgrades.

EFI Software Bundle with 7.1.11 Editor and Latest Firmware

Download the following ZIP file and extract the files (on your desktop is fine) before attempting to install them.

Right Click Me and Save As for the EFI Software Bundle

EFI Editor 7.1.11

Right Click Me and Save As for the Newest Editor

The Latest EFI Firwmare, Checksum 7B6H.

If you don't have the 7B6H checksum, then you're behind the times! This is an update for ALL Lotus EFI users. This is a .ZIP package that includes the 7B6H firmware, instructions, and an info file for the firmware. YOU MUST BE USING VERSION 7.1.11 OR NEWER nEDITOR BEFORE UPLOADING THIS FIRMWARE OR YOUR ECU *MAY* DIE

Right Click Me and Save As

EFI Install Diagrams

The following images are wiring diagrams to aid in the installation of installing the EFI into various models of the Lotus Elise/Exige platform. Please make note that some diagrams are specific to drive by wire cars vs Non-DBW cars.