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      07-31-2014, 07:34 PM   #1
fbm3cab
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How much better after break-in?

At this point it's clear the F8x M3 rocks, but how much better does it get after break-in?

My E9x 335is had minimal difference in motor (N54) and chassis after the break-in but my E9x M3 had major difference in both motor and chassis, even more after 5K miles.

I assume the F8x chassis will be similar in this aspect but what about the motor, are any of you guys pushing 4 or 5k miles yet and if so has the s55 gotten even better and or stronger?
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      08-05-2014, 09:18 PM   #2
GregW / Oregon
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Post-break in

I'm about to find out. Break-in service done today. Not that I can complain about performance so far.

http://greg-w.smugmug.com/Cars/Maryh...ps-Road-Rally/
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      08-18-2014, 11:31 PM   #3
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Curious as well
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      08-19-2014, 02:54 AM   #4
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I'm sure it's all in my head but after my oil change and rear diff it did feel faster at the same RPM etc, but it's likely all my dome.
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      08-29-2014, 09:01 PM   #5
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Mine feels faster and louder.
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