I dont see why you would have to report to the insurance company that you've made any changes to your car. In the US, you typically have an option for additional insurance coverage for modifications and that would increase your premium cost but its entirely optional.
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2018 F87 M2 (09/2020 - )
Dinan Cold Air Intake |Dinan Axle Back | VRSF 6.5" Intercooler | VRSF Catless Downpipe | VRSF Charge Pipes | BM3 | MST Inlet v2 | Turbosmart VR11
2013 F30 328i (12/2015 - 09/2020) SOLD!
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