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**David Mc** · 05-13-2011, 03:13 AM

The hooting noise sounds like a vacuum leak/manifold gasket problem, read this http://www.beisansystems.com/ for more and see if you think it applies to the problems you are encountering.

05-13-2011, 03:13 AM	#2
David Mc Name: David Mc Title: Member Status: Offline Join Date: Nov 2007 Location: Queensland, Australia User not setup in Rate My Car. Click here to set it up. Your Ride: 1998 e36 328i	The hooting noise sounds like a vacuum leak/manifold gasket problem, read this http://www.beisansystems.com/ for more and see if you think it applies to the problems you are encountering.