Body - Gurgling Noise From Sunroof During Rainfall
SI B 54 04 10Special Roofs
March 2010
Technical Service
SUBJECT
Gurgling Noise from the Sunroof
MODEL
F07 (5 Series Gran Turismo)
SITUATION
A gurgling noise coming from the sunroof area is noticed by the rear seat passengers. This noise is only noticeable when driving during rainfall, and is not noticeable on all vehicles.
CAUSE
A combination of water exiting the sunroof drain tube and air turbulence in this area.
CORRECTION
Install a one-way valve in the end of the drain tube.
PROCEDURE
Refer to the attached document, SIB540410 Procedure.
PARTS INFORMATION
WARRANTY INFORMATION
ATTACHMENTS
Attachment - B540410Procedure.