E46Fanatics - View Single Post - info on the DISA valve, READ!!!!
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Old 02-19-2012, 11:20 AM   #57
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Join Date: Mar 2009
Location: Rochester, NY
Posts: 190
My Ride: 325xi
Did mine yesterday, I see why a few people had trouble.
Using the fel pro gasket you can't seat it by hand. You need to use the bolts and tighten side to side. Mine did seat flush/fully, I lubricated the o-ring and cleaned/lubed the intake plenum. Make sure the o ring is not twisted on the disa valve. It does go in hard, I could see an old/brittle disa valve cracking. It is def sealed however!

Has anyone tried the BMW o ring? I wonder if it is a better fit.

Last edited by wildcat293; 02-19-2012 at 11:21 AM.
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