E46Fanatics - View Single Post - DIY: Intake boot replacement. No more whistle while accelerating
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Old 01-15-2012, 02:38 AM   #62
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Join Date: Dec 1969
Location: San Jose
Posts: 67
My Ride: '01 330i
For those that remove the DISA valve to access the lower boot, be aware that, with a few miles on the car, the old seal might leak and cause issues (running rough, setting codes, etc.) when its reinstalled. Just inspect for vacuum leaks at the interface of the DISA to the intake runner manifold. Mine had a vacuum leak and I had to take it back out to seal it with some RTV. Just FYI...
Love my 330, until it breaks!
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