Tested with factory dampers.
Product Features:
Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Epa: N/A
Carb Acknowledgement Required: f
Fits According to Mfg but not guarunteed.
2015 BMW M4 Base
2016 BMW M4 Base
2016 BMW M4 GTS
2017 BMW M4 Base
2018 BMW M4 Base
2019 BMW M4 Base
2019 BMW M4 CS
2020 BMW M4 Base
2020 BMW M4 CS