im curious how much gain is it for 328i. I looked at their site there was no info for 328i
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2017 M2 Coupe:|Black Sapphire Metallic|DCT|Nav/Idrive|M Performance CF Spoiler|M Performance CF DCT Interior| M Performance Gloss Black Kidney Grills| M Performance Steel Pedals | Eventuri CF CAI | 19" Brixton Rims | KW V3 Clubsport |
Retired: |2008 328i Sedan|Montego Blue|
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