hawkjr1
09-17-2012, 10:35 PM
I have 56,000 miles on my 05 325i and it has been running great. No tune up yet, just oil changes. Fueled up Sunday and Monday afternoon she start running rough at idle and low power in 1 and 2 gear. I pulled plug # 1 and found it to be in good shape no carbon build up. When I checked the gap on the plug it was set at .045. I checked this forum and all I found that someone stated it should be at .035 when you buy them. I checked the owner's manual but could not find the data to set the plugs. Should I just go on and replace all the plugs or just re-gap them. The ones I have now are the BMW NGK R5. Can someone clue me on the correct setting for the plugs.