BMW X3 xDrive35i F25 Test Drive with HARTGE Engine Upgrade
1 Mar 2013, 17:04 UTC · By: Gabriel Nica / After releasing the official engine upgrade for the 3-liter 6-cylinder turbocharged engine that powers almost every x35 Bimmer (from the 135 1er to the X3 xDrive35i SUV) Hartge thought it would be a...