Clean&Smoove 0 Report post Posted February 16, 2009 my 320i m50, has noticeably been running sluggish these past few months compared to last year.. Ive done the routine change oil, filters and spark plugs. ive check for hose leaks but its all good is there anything else i should check/do? 02 sensor? AFM? spark plugs are black with white tips... thanks Quote Share this post Link to post Share on other sites
*Glenn* 854 Report post Posted February 16, 2009 Before you do anything else...get it scanned first by someone who knows what they are doing... the person checking it should also have a brain....it does help Quote Share this post Link to post Share on other sites