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Showing posts with label Heating and Air Conditioning. Show all posts
Showing posts with label Heating and Air Conditioning. Show all posts
Monday, July 20, 2020
A/C - Howling Rough Running Noise With Compressor ON SI B64 10 10 Heating and Air Conditioning
Technical Service Bulletin # 641010 Date: 110701
A/C - Howling Rough Running Noise With Compressor ON
SI B64 10 10
Heating and Air Conditioning
June 2011
Technical Service
This Service Information bulletin supersedes SI B64 10 10 dated December 2010.
[NEW] designates changes to this revision
SUBJECT
[NEW] Howling/Rough Running Noise when the A/C Compressor is Engaged
MODEL
E82, E88 (1 Series)
E90, E91, E92, E93 (3 Series)
[NEW] E89 (Z4)
2010 BMW 328i Sedan (E90) L6-3.0L (N51) 50
[NEW] 1 Series and 3 Series vehicles equipped with the N51 and N52 engine produced from 8/31/08
[NEW] Z4 vehicles produced from 2/28/09
SITUATION
When the air conditioning system is on and the A/C compressor is activated, a howling noise may be heard between 800 and 2,400 rpm.
CAUSE
Vibration in the air condition suction line (low side)
PROCEDURE
See attachment
PARTS INFORMATION
[NEW] WARRANTY INFORMATION
ATTACHMENTS
2010 BMW 328i Sedan (E90) L6-3.0L (N51) 51
2010 BMW 328i Sedan (E90) L6-3.0L (N51) 52
B641010 - Procedure 1 and 3 Series
2010 BMW 328i Sedan (E90) L6-3.0L (N51) 53
B641010 - Procedure Z4
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