Is there any way to self-test if the noise comes from the wastegates?
My car rattles like there's a rattle snake under it, but only at certain rpms. And it's not a click-click-click noise, but a metallic rattle. I've also read that certain cars got problems with heat shields getting loose
Performance Seats, Exhaust, Splitters, Pedals, Steering Wheel / RB Turbos / M3 CF Roof / Brembo GT BBK 355/345 / Forge FMIC / QUAIFE LSD / Bilstein PSS10 / M3 Suspension Parts / Powerflex Bushings / Vorshlag Camberplates / RE Toe Links / LeatherZ Gauges / Extended M3 DCT Paddles / ER Sports OC / AR OC / Aux Radiator / AR DPs / Alpina TCU Flash / COBB Pro-Tune