mynbmr 225 Report post Posted November 7, 2016 1994 e34 530i automatic my rev counter started to fluctuate all the time from 0 to red. no rev fluctuate or loss off power in motor or gearbox. any suggestions where to look thanks Quote Share this post Link to post Share on other sites
Eagle 1525 Report post Posted November 8, 2016 If the speedo is working fine then it could be a possible instrument cluster fault. You should be able run the self test on the cluster, IIRC hold down the right knob on cluster with ign off, turn key to on position and let go. Quote Share this post Link to post Share on other sites
