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Has anyone done any upgrades to their M340i?
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09-15-2020, 01:29 AM
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plopez12808
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Drives: 2020 M340i
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Quote:
Originally Posted by
cc009
would unlocking the ecu basically immediately void any warranty as wouldn't it be recorded or its no?
I'm guessing you just have to flash it back to stock before you take it to a dealership
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