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BMW 3-Series (E90 E92) Forum
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How important are the DISAS?
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05-14-2023, 01:36 PM | #1 |
Second Lieutenant
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How important are the DISAS?
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05-14-2023, 03:40 PM | #2 |
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Garage List 2006 BMW 330i [8.25]
2009 BMW 328i Touri ... [8.00] 2013 BMW X5 35i [7.80] 2011 BMW 528i [8.70] 2006 Mazda3 [5.50] |
Interesting question... I wonder if there is a downside, either with fuel or maintenance?
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05-15-2023, 08:21 AM | #3 |
First Lieutenant
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The DISA valve is required and an integral part of the air intake system and design. If the large valve has failed chances are the small valve is bad too. Always good to replace them both if unknown age and miles on them.
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