Hi guys, I'm new to the site. I was guided her by 1 of the guy from bimmerfest. Said you guys know M10 engines. Well I have an 84 318i coupe, 5spd manual w/m10. I have a couple of problems. 1) My temp gauge or odometer isn't working 2) It idles high, about 1800-2200rpm. I cleaned and checked the ICV...