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Old 11-13-2012, 10:27 PM   #56
love2drive330CI
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Join Date: Mar 2005
Location: Ft Myers, FL
Posts: 323
My Ride: 2001 330CI
KLAX--I had multiple problems(so my symptoms were overlapping) but the lower hose was leaking bad, see picture below. I also had a loud popping sound, misfires/rough idle..on and on.

You can just get a look at the lower hose if you flash light back up in there with intake removed.

This picture shows that the original hose fitting was a 90 degree which it bent about 2 inches from the fitting. The newer hose fitting is 45 degree angle eliminating the stress where hole is in picture.
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Last edited by love2drive330CI; 11-13-2012 at 10:31 PM. Reason: hose angle
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