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      04-24-2021, 01:52 PM   #6
ztx84
First Lieutenant
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Drives: 2022 M4 Competition Xdrive
Join Date: Jan 2018
Location: Devon, UK

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I didn't hear anything to worry about - agree with others that it sounds like injectors. I've not noticed mine sound different with better quality fuel - although I *think* its a bit smoother (I may well have fallen for the marketing hype though, haha!)
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