e30-redline 0 Report post Posted October 26, 2009 hey have just bought my 4th e30 a 1990 4 door 325i (was auto). just done a manual conversion but the engine is hunting rather bad on warm up idle but seems to run ok after a little while. check the idle control valve and all pipes and theres no air leaks. any advise would be apprectiated cheers. Quote Share this post Link to post Share on other sites
Forrest 35 Report post Posted October 26, 2009 Had the same thing on mine. Cleaned AFM + AFM sensor, replaced intake boot, checked all other hoses for cracks + tightened hose clamps, cleaned ICV with carb cleaner. It fixed it. Quote Share this post Link to post Share on other sites
