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This is the strangest thing I have ever seen. There appears to be zero advantage to sealing that duct off. It would have cost BMW even LESS to reuse S55 parts from the M3.
Questions
- why.. what could be the reason for this, I'm at a loss
- does this fundamentally increase heat soak and is this why the M2S has no sound deadening in the door jam?
- is THIS how they "detune" the s55 to begin with?
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///M Power
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