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Old 11-05-2012, 02:14 PM
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doru doru is offline
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Location: Calgary
Join Date: Sep 2007
Posts: 4,702
Mein Auto: 2003 530iA
Originally Posted by Jason5driver View Post
Do you think a bad Disa can cause erratic idle...?

Oh, here is a video I recently took...
I think the sound is from blown bearings in the water pump...

A blown DISA will nullify low end torque AFAIK?
Almost like blown Vanos, only without the startup hiccups.
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