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BMW M5 F90 (2018+) General Forums Mechanical Maintenance: Break-in | Oil & Fluids | Servicing | TSB | Recalls    1200 Mile

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      10-16-2018, 05:25 PM   #1
JIB
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1200 Mile

So just got my car back from the 1200 mile service. I know this has been debated over and over on the boards.... but immediately felt a difference in pick up speed and exhaust is much louder then before (note my flaps are permanently open already).
Anyone else notice this?

Also did a I drive update and noticed when I responded to a text via voice the RPMs dial disappeared and the microphone icon took its place - could it be a glitch?
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      10-17-2018, 08:14 AM   #2
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I have mine scheduled for this Saturday. I'll let you know the results.
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      10-17-2018, 11:50 AM   #3
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Quote:
Originally Posted by JIB View Post
So just got my car back from the 1200 mile service. I know this has been debated over and over on the boards.... but immediately felt a difference in pick up speed and exhaust is much louder then before (note my flaps are permanently open already).
Anyone else notice this?

Also did a I drive update and noticed when I responded to a text via voice the RPMs dial disappeared and the microphone icon took its place - could it be a glitch?
nope, no glitch! microphone and other notification icons appear there when you have the M view on the HUD as for the first part i dropped the car for the break in Service and will see how it feels and sounds when i pick her up tomorrow .
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      10-17-2018, 12:04 PM   #4
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I had my running in service completed last week, I wouldn't say I noticed anything different afterwards though.

However, I did make a backup of all the ECU settings before the running in service, which I intend to repeat and compare, but I'm currently doing a European road trip, so it will have to wait until I'm back home.

Also, some people have commented on the (fake) power dials showing different numbers before and after the service, but what I noticed was that the dials show different numbers depending upon whether the engine is cold or hot and did so from the outset.
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      10-17-2018, 01:32 PM   #5
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Pure placebo, no increase in anything apart from Launch Control activation.
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      10-17-2018, 01:47 PM   #6
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Quote:
Originally Posted by JOHNBMWM5 View Post
Pure placebo, no increase in anything apart from Launch Control activation.
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Originally Posted by JOHNBMWM5 View Post
Pure placebo, no increase in anything apart from Launch Control activation.
I definitely didn't expect anything especially after everyone else's experience, the service mgr literally said "we are removing the silencer and you should notice the improvements".
All I gave a shit about was the right g2 and g4 oils....

I'm in Manhattan so I go slow down the side streets and it's easy to control because the pedal usually seems heavy. This time I tapped the pedal seemed lighter and took off.
Who the F knows....
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      10-17-2018, 02:40 PM   #7
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Pure placebo, no increase in anything apart from Launch Control activation.
Negative, launch control worked on my car before break in kms we're finished.
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      10-17-2018, 03:02 PM   #8
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Negative, launch control worked on my car before break in kms we're finished.
Launch control is only enabled by default on Competition edition.
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      10-17-2018, 03:15 PM   #9
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Originally Posted by NASTY-M5 View Post
Negative, launch control worked on my car before break in kms we're finished.
Launch control is only enabled by default on Competition edition.
It worked before and after break in was my point, in reply to someone who said break in service activated it
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      10-17-2018, 04:04 PM   #10
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It worked before and after break in was my point, in reply to someone who said break in service activated it
That's right.
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      10-17-2018, 05:32 PM   #11
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It worked before and after break in was my point, in reply to someone who said break in service activated it
I thought it was still disabled until the 1200 mile service on the base model.
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      10-17-2018, 06:48 PM   #12
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When I had my 1200 mile service at the dealer a couple of weeks ago, the service advisor (that I know for many years and have serviced all my BMWs) told me that engine was limited at 75% and they change a flag that releases the extra power during service. He said BMW decided to do that to lower power during break in. That is a very specific number.

Did I notice anything different after - especially a 25% in performance? No but engine seems to be getting smoother but this can also be because of use. My point is that this is something that circulating around even among service advisors so they must have heard it somewhere. Was the first doing the 1200 mile service at specific dealer BTW.
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      10-18-2018, 11:07 AM   #13
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Quote:
Originally Posted by Stav View Post
When I had my 1200 mile service at the dealer a couple of weeks ago, the service advisor (that I know for many years and have serviced all my BMWs) told me that engine was limited at 75% and they change a flag that releases the extra power during service. He said BMW decided to do that to lower power during break in. That is a very specific number.

Did I notice anything different after - especially a 25% in performance? No but engine seems to be getting smoother but this can also be because of use. My point is that this is something that circulating around even among service advisors so they must have heard it somewhere. Was the first doing the 1200 mile service at specific dealer BTW.
25% is a huge number - should be easily felt if that is really the case.
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      10-18-2018, 03:12 PM   #14
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Quote:
Originally Posted by Stav View Post
When I had my 1200 mile service at the dealer a couple of weeks ago, the service advisor (that I know for many years and have serviced all my BMWs) told me that engine was limited at 75% and they change a flag that releases the extra power during service. He said BMW decided to do that to lower power during break in. That is a very specific number.

Did I notice anything different after - especially a 25% in performance? No but engine seems to be getting smoother but this can also be because of use. My point is that this is something that circulating around even among service advisors so they must have heard it somewhere. Was the first doing the 1200 mile service at specific dealer BTW.
Here we go again.

The fact that dealers themselves couldn't agree on this (some say power restricted and some say no such thing exist) it just means this whole restriction thing is never substantiated.

If it's actually true BMW would have put a technical bulletin out and every dealer would be saying the same thing, but they are not.

Ask the dealer where he got this 75% from? Did it came from BMW official technical bulletin? Does he have any document to prove it?
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      10-18-2018, 04:24 PM   #15
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When I was at the dealership ordering my M5 there was a guy from BMW NA there briefing the sales people on the M5, and I sat in. One of the things he said was that there was nothing being done to increase engine power during the 1200 mile service.
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      10-19-2018, 06:52 AM   #16
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Quote:
Originally Posted by Phatcat View Post
Quote:
Originally Posted by Stav View Post
When I had my 1200 mile service at the dealer a couple of weeks ago, the service advisor (that I know for many years and have serviced all my BMWs) told me that engine was limited at 75% and they change a flag that releases the extra power during service. He said BMW decided to do that to lower power during break in. That is a very specific number.

Did I notice anything different after - especially a 25% in performance? No but engine seems to be getting smoother but this can also be because of use. My point is that this is something that circulating around even among service advisors so they must have heard it somewhere. Was the first doing the 1200 mile service at specific dealer BTW.
Here we go again.

The fact that dealers themselves couldn't agree on this (some say power restricted and some say no such thing exist) it just means this whole restriction thing is never substantiated.

If it's actually true BMW would have put a technical bulletin out and every dealer would be saying the same thing, but they are not.

Ask the dealer where he got this 75% from? Did it came from BMW official technical bulletin? Does he have any document to prove it?
This is not the Inquisition. Was just saying what was told at dealer. As I mentioned I noticed no power difference.
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      10-19-2018, 08:35 AM   #17
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My dealer told me that it’s a 12.5 % increase in power after first service
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      10-19-2018, 12:13 PM   #18
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Quote:
Originally Posted by GUNGASLOW View Post
My dealer told me that it's a 12.5 % increase in power after first service
Quote:
Originally Posted by GUNGASLOW View Post
My dealer told me that it's a 12.5 % increase in power after first service
I literally called the service tech now for a answer - he said the first 1200 miles the car is a little held back. It's what they call "Run in mode" when it comes for service they pull it out of that mode via software (along with releasing launch mode)
There's no actual change in HP but the car is re-tuned and when pushed responds better.

He also said you can push the shit out of it the first 1200 cause it's a beast but should notice a difference after.
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      10-19-2018, 03:45 PM   #19
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Quote:
Originally Posted by JIB View Post
I literally called the service tech now for a answer - he said the first 1200 miles the car is a little held back. It's what they call "Run in mode" when it comes for service they pull it out of that mode via software (along with releasing launch mode)
There's no actual change in HP but the car is re-tuned and when pushed responds better.

He also said you can push the shit out of it the first 1200 cause it's a beast but should notice a difference after.
LC's released at the factory on the F90 FWIW.
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      10-20-2018, 08:43 AM   #20
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Quote:
Originally Posted by GUNGASLOW View Post
My dealer told me that it’s a 12.5 % increase in power after first service
So the fact that one dealer says 25%, and yours says 12.5%, and another one says HP not changed but just re-tuned, it just tells me it's not from BMW themselves, because BMW won't be going around different dealers telling different things.
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      10-20-2018, 08:48 AM   #21
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So the fact that one dealer says 25%, and yours says 12.5%, and another one says HP not changed but just re-tuned, it just tells me it's not from BMW themselves, because BMW won't be going around different dealers telling different things.
Only way to tell is to do a dyno before and after or some 0-60 1/4 mile runs before and after
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      10-20-2018, 10:54 AM   #22
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Quote:
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Only way to tell is to do a dyno before and after or some 0-60 1/4 mile runs before and after
Yes, but no one has done it and no dealer has been able to provide any proof either, 25%, 12.5%, or whatever.

It has never been proven for the F10 and so far none for F90 either.
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