I shot a quick email to Scott at Dinan, he stated the 550 should be seeing 13 lbs. I got a message from P3 about another S3 user that claims they have seen 16 lbs on their 550.
I know temps, elevation, etc all come into play to a certain degree but still seems like a wide range.
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F10 550i Space Gray | Dinan Stage 5 | Eisenmann Race | ACS springs | 20" Ferric Grey 312 - Michelin PSS
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