Quote:
Originally Posted by grundlehunter
Quote:
Originally Posted by Ian1973
Just oil and diff oil changes. There is no power gain, I dont understand how misinformation can spread so easy.
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I think I can shed some light on how this misinformation spreads. I am currently sitting at BMW service getting my 2017 1200 mile M3 service done. I asked the technician (who has a 2015 M3) about an M performance exhaust and he replied "before you do that, just wait until you see this car after this service, it's a completely different animal." So, having read these threads I bit and said, oh yea why do you say that? He responded "oh man, during the first 1200 miles the accelerator is limited, so your going to feel a huge difference in power when this is done, just wait".
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My sales rep told me that engine output will be at roughly around 80% to make sure car is properly broken in. After 2000km service, it will be opened up.
Not my words, this came from my rep.