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      04-15-2021, 05:39 PM   #6
Boomer 2019
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Drives: 2023 M4 Comp
Join Date: Nov 2018
Location: Miami, FL

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Quote:
Originally Posted by translux View Post
Had mine done last week. Wow!
Car just loves to run to redline and is a highway monster. 55 is way to easy reach.
Also getting some mild burble on deceleration that wasn’t there prior to service. Exhaust breaking in or do they in fact load a different tune?
No tune, that's an "urban myth". You probably just didn't notice it before, but if it has actually changed then chalk it up to things loosening up. Break In Service is a change of engine and differential oil, and resetting of the "service schedule". Baby does like to trot though doesn't she?
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