As Lightspeed says the oil cooler and lights don't sit any lower than the license plate panel. I have the same oil cooler and do have to be aware of the ruts and holes on the mountain tracks I have to drive on but that would also apply if I didn't have the oil cooler and just the standard set up.
Bruce 1964 4/4 Series V Comp (Megan) 1994 +8 (Maurice) 2013 M3W (Olga)