I drove to Vegas prior to my 1200 mile service. I out pulled a new C7 Vette from 60-130 (beat him by more that a small amount) and was just a tick slower than a new 997 911 Turbo S.
I doubt I would have done as well if it was down 100bhp. I think that is just a story the dealers tell to make you feel good.
My car performs the exact same before and after the service.
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Ex Stig
'25 M5 Touring (on the list, first slot)
'24 X7 M60i
'22 M5 CS - (sold)
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