A/C - Fluctuating Air Flow (Normal Condition)

SI B 64 13 06
October 2006

Heating and Air Conditioning
Technical Service

This Service Information bulletin supersedes S.M. B64 204 05 dated May 2005.

SUBJECT
Fluctuating Air Flow for 30 seconds when A/C is Switched On

MODEL
E90 (3 Series)

SITUATION
The air flow fluctuates several times when the air conditioning is switched on (automatic air conditioning).

CAUSE
The air flow fluctuates when the air conditioning is switched on. You can feel cold air coming from the center vents for approximately 30 seconds.

PROCEDURE
This is part of the design, i.e. normal control behavior of the air-conditioning system.





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