[email protected] 0 Report post Posted October 19, 2010 Hi, Can a bad alternator cause a rough idle? My headlights and dash lights also have a slight flicker. e30 1990 325i manual Thanks. Quote Share this post Link to post Share on other sites
antil33t 90 Report post Posted October 19, 2010 Hi, Can a bad alternator cause a rough idle? My headlights and dash lights also have a slight flicker. e30 1990 325i manual Thanks. How low is it Idling? Quote Share this post Link to post Share on other sites
[email protected] 0 Report post Posted October 20, 2010 How low is it Idling? Idles at about 550 - 600 but has a little shudder with it, should idle around 750 I believe. Also seems that a bit of the power has gone! Quote Share this post Link to post Share on other sites
