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M2 Technical Topics > Mechanical Maintenance: Break-in | Oil & Fluids | Servicing | TSB | Recalls > 1,200 Break In Service

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      08-10-2019, 01:11 PM   #1
M2C89
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1,200 Break In Service

Confirming it's alright to redline the car and drive it to the fullest after 1,200 miles, even while I'm waiting for the actual service to be performed (next week)?
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      08-10-2019, 01:35 PM   #2
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I would wait until the service... they want to change the fluids for a reason.

Probably to remove any particles suspended in the fluids from breaking-in the engine and differential.
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      08-10-2019, 01:58 PM   #3
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service first.
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      08-10-2019, 02:09 PM   #4
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The Performance Restriction Unit prevents this. It is impossible drive your car to its fullest while the PRU is engaged. This is known to engineers as "breakin PRUning".

This is why everyone feels such a huge increase in performance after their 1200 mile service.
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      08-10-2019, 02:31 PM   #5
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Quote:
Originally Posted by silverds View Post
The Performance Restriction Unit prevents this. It is impossible drive your car to its fullest while the PRU is engaged. This is known to engineers as "breakin PRUning".

This is why everyone feels such a huge increase in performance after their 1200 mile service.
Multiple dealerships have told me there is no such thing as this on our cars. Only thing inactive and restricted is launch control.
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      08-10-2019, 02:54 PM   #6
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Quote:
Originally Posted by Anthony1s View Post
Multiple dealerships have told me there is no such thing as this on our cars. Only thing inactive and restricted is launch control.
Multiple dealerships?

Would you say, it was a plethora, that told you?
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      08-10-2019, 03:09 PM   #7
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Quote:
Originally Posted by M2C89 View Post
Confirming it's alright to redline the car and drive it to the fullest after 1,200 miles, even while I'm waiting for the actual service to be performed (next week)?
Definitely wait until after the service. You want fresh oil and diff fluid before you go at it.
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      08-10-2019, 04:34 PM   #8
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Defo wait for new fluids. But if you follow the book it says to build up to full revs etc.

PRU? WTF, are you kidding?

There is no programming at run in. None. 45 minutes engine and diff oil change that's it.
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      08-10-2019, 04:43 PM   #9
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My Garage account online shows icons that my car needs front/rear pads, oil change, etc.... Everything is fine on the cars check readout other than my 1200 is coming up. Dealer checked into this and there is a online computer error at BMW"s Tele service site. Just a FYI if you log into your "mygarage" account and see this.
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      08-10-2019, 04:57 PM   #10
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Quote:
Originally Posted by silverds View Post
Quote:
Originally Posted by Anthony1s View Post
Multiple dealerships have told me there is no such thing as this on our cars. Only thing inactive and restricted is launch control.
Multiple dealerships?

Would you say, it was a plethora, that told you?
oh it is definitely a plethora jefe.
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      08-10-2019, 06:29 PM   #11
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Phlux Restriction Unit, connected to the flux capacitor. It’s a thing.
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      08-10-2019, 06:37 PM   #12
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Quote:
Originally Posted by bioman View Post
Phlux Restriction Unit, connected to the flux capacitor. It's a thing.


Goddammit! You beat me to it!
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      08-10-2019, 06:40 PM   #13
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Quote:
Originally Posted by M2C89 View Post
Confirming it's alright to redline the car and drive it to the fullest after 1,200 miles, even while I'm waiting for the actual service to be performed (next week)?
Not according to the manual.
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      08-10-2019, 06:41 PM   #14
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Quote:
Originally Posted by silverds View Post
Quote:
Originally Posted by Anthony1s View Post
Multiple dealerships have told me there is no such thing as this on our cars. Only thing inactive and restricted is launch control.
Multiple dealerships?

Would you say, it was a plethora, that told you?
People have Dyno the car before and after and there is no difference.
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      08-10-2019, 06:41 PM   #15
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Quote:
Originally Posted by M2C89 View Post
Confirming it's alright to redline the car and drive it to the fullest after 1,200 miles, even while I'm waiting for the actual service to be performed (next week)?
Not all right. The oils have extra amounts of metallic particulates from break in. You should get fresh fluids first.
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      08-10-2019, 06:56 PM   #16
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Quote:
Originally Posted by bioman View Post
Phlux Restriction Unit, connected to the flux capacitor. It’s a thing.
I think I read in Popular Mechanics magazine that at first maintenance they solder in a different value flux resistor to let more flux reach the capacitor.
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      08-10-2019, 07:21 PM   #17
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Quote:
Originally Posted by bioman View Post
Phlux Restriction Unit, connected to the flux capacitor. It’s a thing.
I regretfully must correct you. There is no such thing as Phlux.

Quote:
Originally Posted by Anthony1s View Post
I think I read in Popular Mechanics magazine that at first maintenance they solder in a different value flux resistor to let more flux reach the capacitor.
It is a Fux Capacitor and it only stores enough fux for a few hundred miles. Maybe 500 or 600 at most. After that, all remaining Fux are vented by the YOB Release Valve effectively disabling HOON Control.

By 1200 miles, there is absolutely no more FUX to be given, so those YOBs should be completely free to Hoon.

Last edited by silverds; 08-10-2019 at 07:30 PM..
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      08-10-2019, 07:26 PM   #18
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Quote:
Originally Posted by silverds View Post
I regretfully must correct you. There is no such thing as Phlux.



It is a Fux Capacitor and it only stores enough fux for a few hundred miles. Maybe 500 or 600 at most. After that, all remaining Fux are vented by the YOB Release Valve effectively disabling HOON Control.

By 1200 miles, there is absolutely no more FUX to be given, so those YOBs should be completely free to Hoon.
Unless you optioned the Fux diverter valve on your build. This recirculates the fux back into the system, instead of venting to atmosphere. I believe there was an environmental discount for choosing that.
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      08-10-2019, 07:32 PM   #19
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Quote:
Originally Posted by Anthony1s View Post
Unless you optioned the Fux diverter valve on your build. This recirculates the fux back into the system, instead of venting to atmosphere. I believe there was an environmental discount for choosing that.
Now you're just making shit up.
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      08-12-2019, 04:21 PM   #20
natmad
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I just had the break-in service done 300 miles ago.

After the service, more power was definitely released.

By my right foot.
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