A/C - White Flakes Blow From Dash Vents
SI B 64 12 07Heating and Air Conditioning
June 2008
Technical Service
This Service Information bulletin supersedes SI B64 12 07 dated November 2007.
[NEW]designates changes to this revision
SUBJECT
White Flakes/Powder Coming from the Air Conditioning Vents
MODEL
E90, E91, E92, E93 (3 Series)
Vehicles produced from May 31, 2006 to September 9, 2007
SITUATION
The customer states that at times white flakes or powder comes from the air conditioning vents.
CAUSE
The cause is surface oxidation of the evaporator in the heating and air conditioning unit. This only concerns evaporators manufactured by Denso (identified by the label on the front of the air conditioning housing behind the radio).
PROCEDURE
The contents of this Service Information bulletin have been migrated into DIS V53 or later. Please refer to SI B64 04 07 for information on how to access "Symptom Troubleshooting" for heating and air conditioning complaints.
WARRANTY INFORMATION
For information only
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