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      01-24-2013, 10:43 PM   #20
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Drives: 135i
Join Date: Jul 2012
Location: USA

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Originally Posted by foghat View Post
the valve is about $60 from mckenna parts. Do you know how difficult of an install this is? I assume this part lives in the engine bay?

If it is easy to do, even if the noise does not go away, for $60 it is worth a try.

Not that the noise really bothers me.
Its fairly easy to get to. Its attached to the bottom of the intake manifold at the back. Held in place by a rubber slot you just push to get off, the electrical connector, and the two plastic quick disconnects. For easiest access you might have to remove the microfilter housing/cowl and possibly the engine air filter box.
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