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Re: Hissing noise (archive)

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Posted by Don Monk on January 13, 2000 at 13:19:34:

In Reply to: Hissing noise posted by Chris on January 12, 2000 at 16:22:16:

: What sort of noises can be expected in a 97 z3, 1.9 with the hood up? I get a hissing noise from the back. Is this normal?

: Thanks

I have a 96 1.9 and at about 5000 miles I had a hissing noise coming from the engine. It appeared to be coming from the rear of the intake manifold. You could hear it at idle and it was especially bad during light acceleration, for example, slowly moving around a parking lot. The local dealer could not figure out what the problem was and called the factory. The factory told them that they should replace the rear main seal in the engine. I was very sceptical but this fixed the problem. Hope this is helpful. Don

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