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I'm interested in installing BOV. Several points I wanted to cover.
1) Will it void BMW warranty? If so, can BOV do any harm to engine or its components?
2) Is it legal in CA to have a BOV installed?
3) Can you please upload some videos or soundclips of the BOV sound on a Z4. I believe you have it installed on your company car.
Thank you!
Best regards, Kirill.
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