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      10-12-2013, 04:01 PM   #6
jmh
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Drives: F97 X3MC / F80 M3 / F90 M5
Join Date: Mar 2006
Location: Under a rock in NH and BOS

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Quote:
Originally Posted by utahm5 View Post
Yup, your confused.

When the mechanic resets the 1,200 mile / 2,000km the car is now able to archive it's full potential. Top speed will be moved from 136mph to 155 or 190 mph (if you have the Competition Package) and Heaven knows what else.

In speaking with the Senior Service advisor at BMW Las Vegas what ever is changed happens with the reset of the 1,200 mile / 2,000 km pointer in the car. The oil the M5 shipped with is the same oil they replace it with. There is no "break in" oil in a new M5.

I'd suspect only the inner circle at the BMW factory could tell you exactly what changes; however changes do occur.

Think about it for a minute. The M5 engine is built by ONE person: BMW is not going to let the buyer blow it up just because the buyer was dumb enough to try and race it with 200 miles on it. The fluid changes do what all fluid changes do, remove metal particles etc. that could be left from engine mfg. The "chip changes" are another mater; however they do occur.

There is no doubt that an M5 with or without the Competition Package (CP) that has had the 1,200 mile service will out preform a similar M5 that has not had the 1,200 mile service.
Hmmm.... I think you might be slightly misled too ...

There's certainly a "break-in oil" in the F10 M5 from factory (during the oil pump recall
dealers had to replace engine oil on new cars with a different oil than the standard oil)
The engine isn't really built by a single individual , it's a well oiled machinery (no pun intended) and BMW has got the building of engines down without the need of claiming an individual is working on a specific engine (like AMG does with their name plaque attached to certain engines)
During break-in the fluids for the engine and differential are changed. If it is a MT car also the fluid for the 6 speed MT will be changed

All US cars are limited to ~155mph , there's no different top speed limiter before break-in or whether the car has CP or not.
The only option for a revised limiter is to order the M package , which is not available for ordering in the US

None of the engine maps or the like are being changed/improved during break-in service.
Only launch control will be enabled.

Some people may notice a "difference" but that's really only a placebo effect (or just simply they'll now use the Sport+ plus settings for throttle/transmission)
There's also a TIS memo available which has been posted here at
http://f10.m5post.com/forums/showthread.php?t=765513
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