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| 04-25-2017, 06:21 AM | #1 |
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Lieutenant
 
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I want a louder BOV
Hello all,
I currently have a Tial BOV valve on my charge pipe. Can I replace it with a louder one? Is there anything else that I have to worry about? What is the loudest BOV? I drive an 09 135i w/ the majority of the mods done. Thanks, b |
| 04-25-2017, 08:40 AM | #2 |
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Brigadier General
 
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I think the HKS are notoriously louder? I'd recommend watching some YouTube videos.
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"Tobias" 2013 135i ///M-Sport 6MT • Pure Stage 1 • XDI 35 HPFP • 404whp/440wtq |
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| 04-25-2017, 04:31 PM | #3 |
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Major
 
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BOVs are so 90s. Thought they've largely gone with the way of the SRT4.
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MightyMouseTech4337.50 |
| 04-25-2017, 04:57 PM | #4 |
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Drives: 2019 M2 Competition
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You want a big whoosh? Get a HKS Blowoff valve, remove the "noise element", make sure you have DCI and a tune. That should let mother fuccers know was up!
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Matticus913474.50 |
| 04-25-2017, 05:51 PM | #5 |
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Yup, HKS is loudest I've heard. If you want one somewhat similar to the Tial, but just louder, Turbosmart Raceport will do that.
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