imho, if you ONLY have this noise during cold start in the morning i would not worry about it.
fwiw, many people with aftermarket dps (like me) have this metal rattle sound for first 4 seconds during start up in the morning. - that is the only time i hear it.
... i also have a slight wastegate ticking while idling - but i have minimal lag - so i donīt mind the noise too much at all.
my 2 cents
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RPI IC / UR catless DPs / JB3 2.0 beta / UR CAI / Quaife LSD / Snow Methanol Injection / VK oil cooler upgrade / Forge DVs /
M3 rear sway / Riss catch can / Paddle shifting 6AT / M Sport steering wheel / Logic 7 / Dunlop Direzza Z1 255/235 /
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