Do not ever install mods in the game's installation folder. Mods only go in Documents/BeamNG.Drive/mods. https://wiki.beamng.com/Installing_Content
Unfortunately the app ceased to work with newer releases. This fix got it running again for me (on 0.24): $ diff -c app.js-orig app.js *** app.js-orig 2022-02-12 14:31:17.402621800 +0100 --- app.js 2022-02-12 14:31:55.560531400 +0100 *************** *** 1,5 **** angular.module('beamng.apps') ! .directive('driftSensor', ['bngApi', 'StreamsManager', 'UiUnits', '$interval', function (bngApi, StreamsManager, UiUnits, $interval) { return { template: '<canvas width="300" height="165"></canvas>', replace: true, --- 1,5 ---- angular.module('beamng.apps') ! .directive('driftSensor', ['$interval', function ($interval) { return { template: '<canvas width="300" height="165"></canvas>', replace: true, (just replace line 2 with the simpler one in app.js).