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7 Series - E65 / E66 (2002 - 2008)
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Old 05-06-2011, 12:13 AM
stephan_porsche stephan_porsche is offline
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Location: Baghdad, Iraq
 
Join Date: May 2011
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Mein Auto: BMW
Need Master BMW Tech Advice: 9C78 Wiper Console Heater

UPDATE.

9C78 Wiper Console Heater ended up being a Faulty Heated Windshield.

Diagnosised by jumping the K8 Relay then tracing it to the E55 Wildshield Element which is burnt out, setting the 9C78 Fault and not allowing AC Operation.

Last edited by stephan_porsche; 05-07-2011 at 06:39 AM. Reason: more information
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