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01-14-1999, 03:57 PM
Does anybody know what can cause fault code #85?<p>My mechanic has found this fault is triggered by the A/C when it's turned on. This is causing my RPMs to oscillate in a strange way when the A/C is on and I'm traveling slightly over 40MPH.<p>If you want to read a detailed description of the problem go to my previous posting titled "1991 525i (E34) Oscillating RPMs Problem".<p>Any ideas or suggestions on how to find what component failure will trigger this? Have you had a similar experience?<p>Thanks in advance for your help,<br>Carlos

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