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      01-26-2017, 06:30 PM   #1
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Breaking period service at 700 miles?

Went to the dealer this morning to get the CF diffuser installed. My car just broke through 700 miles. The SA was very pushy about getting the breaking service done. I told him that I was not going to get it done 500 miles early. Anyone else experienced a similar situation?
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      01-26-2017, 06:44 PM   #2
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Quote:
Originally Posted by fun2drv View Post
Went to the dealer this morning to get the CF diffuser installed. My car just broke through 700 miles. The SA was very pushy about getting the breaking service done. I told him that I was not going to get it done 500 miles early. Anyone else experienced a similar situation?
I think I was told you can get it done as early as 700-800 miles. Had I known that I would have taken it in then as pretty much all of the wear will have already occurred and you want to change the fluids asap.
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      01-26-2017, 06:49 PM   #3
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Quote:
Originally Posted by fun2drv View Post
Went to the dealer this morning to get the CF diffuser installed. My car just broke through 700 miles. The SA was very pushy about getting the breaking service done. I told him that I was not going to get it done 500 miles early. Anyone else experienced a similar situation?
BMW is on a kick to reduce the number of service visits each year. I took my car in for an estimate on something and they offered to do an oil and filter change along with a brake fluid service. I told them I thought that was odd since the car was calling for service in about 2,000 miles. They said that their goal was to be customer friendly in saving me another trip to the dealer for service within the next few months.
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      01-26-2017, 07:07 PM   #4
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Service advisors really don't know much so I ignore them and do what the factory says. 1200 miles isn't a random number, I am sure it was based on some engineering analysis so sticking with 1200 miles and the other break in procedures is good sense.
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      01-27-2017, 08:04 AM   #5
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Quote:
Originally Posted by rich8566 View Post
Quote:
Originally Posted by fun2drv View Post
Went to the dealer this morning to get the CF diffuser installed. My car just broke through 700 miles. The SA was very pushy about getting the breaking service done. I told him that I was not going to get it done 500 miles early. Anyone else experienced a similar situation?
BMW is on a kick to reduce the number of service visits each year. I took my car in for an estimate on something and they offered to do an oil and filter change along with a brake fluid service. I told them I thought that was odd since the car was calling for service in about 2,000 miles. They said that their goal was to be customer friendly in saving me another trip to the dealer for service within the next few months.
Thank GOD. I hate how my cars have stuff like brake fluid swaps and state inspection added in them and more importantly they are scheduled in the computer separately from oil and brake changes.

I don't need to go to the dealer for a state inspection.

I asked my dealer to clear out all the conditioned based alerts on my M. When my pads are low based on actual sensors, I'll start getting worried about changing pads .. not just because it thinks I've been driving (too) hard.
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      01-27-2017, 08:37 AM   #6
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I did my 1200 mile service on my previous M3 at 900 miles. Wasn't my choice though. Car got delivered from my ED trip and dealer serviced it when it arrived.

Nothing happened. Everything was okay.
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      01-27-2017, 12:44 PM   #7
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Personally, I would prefer the break in sooner rather than later. Majority of the wear happens very early.
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      01-27-2017, 12:47 PM   #8
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Earlier is better. In fact, most engine and trans builders say you should change the fluid even earlier because of the metal shavings that happen in the first 20 or so miles.

The 1,200 miles has been around for a while - IMO it is a number based on the "we don't want them to have to go home and turn around" combined with "let them figure out the car" to the "let the brakes set" to a million other things (and of note, the diff fluid is supposedly different from the factory than what they change it out to).

Long story short, I personally would have taken them up on that early service.
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      01-27-2017, 08:18 PM   #9
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Here is an informative video of a break in service in a M4 at 900 miles.

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      01-28-2017, 10:08 AM   #10
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Quote:
Originally Posted by fun2drv View Post
Went to the dealer this morning to get the CF diffuser installed. My car just broke through 700 miles. The SA was very pushy about getting the breaking service done. I told him that I was not going to get it done 500 miles early. Anyone else experienced a similar situation?
>> I have a 17, same thing happened to me, went to drop off the check @ 698 and across the street from the dealer the old rock in the disk issue happened. could not believe it. anyway the service advisor said based the key read and other factors its recommending pulling the oil. I did it as I was going to pull the oil anyway. going to hit 4K on the car this weekend and drives better all the time. fck I love this thing
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      01-28-2017, 08:09 PM   #11
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Service is FREE, right? Go ahead and change it early (as real engine builders agree).
Drive the pants off it while it is under service plan and warranty. Let them give you new brakes rotors and whatever. I love the BMW pull service forward mentality.
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      01-28-2017, 08:56 PM   #12
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Originally Posted by littleoldman View Post
Service is FREE, right? Go ahead and change it early (as real engine builders agree).
Drive the pants off it while it is under service plan and warranty. Let them give you new brakes rotors and whatever. I love the BMW pull service forward mentality.
There were changes for 2017 onward -- wear and tear like brakes and rotors are no longer covered:
http://www.consumerreports.org/bmw/b...nance-program/
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      01-28-2017, 10:51 PM   #13
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My question is in regards to (The informative video of a break in service) in the previous post. The Rep mentioned that only M model cars have some kind of pre break in service & rev-limiter set @5500. Can anyone call B/S on this? I've done some brisk driving and swear I've gone over 5500 with out any resistance. On the flip side of this he also clearly states that the differential fluid is changed. This video would be a helpful defense in case my dealership refuses the rear dif service, although the car in this clip is not a M2. Iv'e learn to not hold merit to most info that comes from a C/A or service with BMW. This is the first time I've seen someone make these comments on camera. Will anyone chime in to confirm these are both true from personal experience?
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      01-28-2017, 10:59 PM   #14
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Quote:
Originally Posted by MSULLY View Post
My question is in regards to (The informative video of a break in service) in the previous post. The Rep mentioned that only M model cars have some kind of pre break in service & rev-limiter set @5500. Can anyone call B/S on this?
There are built in limits on the M3/M4, but not for the M2. That is no boost nor rev limit on the M2 pre break in service. Apparently "launch control" feature is the only thing enabled. Your rep is making an invalid assumption and my rep told me the same wrong info.
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      01-28-2017, 11:46 PM   #15
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Originally Posted by zenmaster View Post
There are built in limits on the M3/M4, but not for the M2. That is no boost nor rev limit on the M2 pre break in service. Apparently "launch control" feature is the only thing enabled. Your rep is making an invalid assumption and my rep told me the same wrong info.
I have never seen a "rev limit" or anything set on a BMW. Yes, they ask you to keep it below 5,500 RPM, but I've never seen it enforced by the car/computer. So... does the M3/M4 engine computer enforce it?
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      01-28-2017, 11:56 PM   #16
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Quote:
Originally Posted by pruettfan View Post
Service advisors really don't know much so I ignore them and do what the factory says. 1200 miles isn't a random number, I am sure it was based on some engineering analysis so sticking with 1200 miles and the other break in procedures is good sense.
I totally agree. The guys that know the engine best come up with that figure. Stick with it!
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      01-29-2017, 12:56 AM   #17
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Originally Posted by doug_999 View Post
I have never seen a "rev limit" or anything set on a BMW. Yes, they ask you to keep it below 5,500 RPM, but I've never seen it enforced by the car/computer. So... does the M3/M4 engine computer enforce it?
There is a boost limiter on the M3/M4 that automatically disengages after break-in period. This can happen in the middle of driving, which can be surprising to the driver if they're accelerating through a turn or something.
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      01-29-2017, 01:11 AM   #18
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Originally Posted by zenmaster View Post
There is a boost limiter on the M3/M4 that automatically disengages after break-in period. This can happen in the middle of driving, which can be surprising to the driver if they're accelerating through a turn or something.
I don't think there is any proof of that - and yet, most people (with M2s) say their car feels different after the 1,200 service - so maybe there is something they change during the initial service?

Quote:
Originally Posted by nachob View Post
I totally agree. The guys that know the engine best come up with that figure. Stick with it!
Who? Porsche? Cause they say 2,000 miles.



It is a made up number - each mfg has their own reasons for what they recommend. And it is not some "at this point, everything is ok" thingy
(and yes, even BMW says still take it easy after the first 1,200 miles)
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      01-29-2017, 03:00 AM   #19
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Originally Posted by doug_999 View Post
I don't think there is any proof of that - and yet, most people (with M2s) say their car feels different after the 1,200 service - so maybe there is something they change during the initial service?



Who? Porsche? Cause they say 2,000 miles.



It is a made up number - each mfg has their own reasons for what they recommend. And it is not some "at this point, everything is ok" thingy
(and yes, even BMW says still take it easy after the first 1,200 miles)


Most of the made up information here seems to come from you. Look BMW has to come up with a number for break-in so I suppose that could be considered made up but its being made up by the engineers that designed the thing and have data. Why would Porsche have anything to do with a BMW break-in. If 700 is fine what about 70 miles? Tell us, your apparently the expert here.
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      01-29-2017, 09:05 AM   #20
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Quote:
Originally Posted by pruettfan View Post
Most of the made up information here seems to come from you. Look BMW has to come up with a number for break-in so I suppose that could be considered made up but its being made up by the engineers that designed the thing and have data. Why would Porsche have anything to do with a BMW break-in. If 700 is fine what about 70 miles? Tell us, your apparently the expert here.
Somebody has a case of the Mondays

Look, I'll try to simplify for you (and maybe even clarify my comment)

There is nothing "magical" about 1,200 miles. If there was, all car manufacturers would be right about there. But nooooo - they aren't.

In fact, from what I can tell (not spending my whole day searching for you, I mean I love you and all and you are always so nice to me but I have my limits), Porsche and MB/AMG don't even do an early break-in service (someone let me know if you see otherwise).

And as we know, BMW only does it on the M cars and has has the 1,200 mile timing for as long as I can remember (hmmm, they actually might have had it on regular cars way back when too? Should have saved my 1995 manual for my 325).

And... short of the rear diff, there is nothing really different about the M2 than a non M car in terms of engine and trans - there was no early service on the DCT for the 135is was there? (seriously asking).

Now, we also know that most engine builders (experts if you will) say to change the oil/diff/trans fluid - FAST. And.. we also know they often say do it more than once.

Of course we are dealing with a consumer product - and you and I are not going to be going back and forth to the dealer like crazy in the first few hundred miles - and heck, our car is under warranty so not really our problem is something goes boom in the first couple of years. So somewhere along the line, BMW came up with 1,200 miles.

And no, they didn't throw a dart on a wall - I'm sure there were reasons behind it (see above... ahem). But it is not some magical number - it can't be. Because it would have changed over the years as tolerances increased and technology changed. But it hasn't. Think marketing has something to do with that? I bet it does - can you imagine how this board would light up if that interval suddenly changed? Heck, I remember when they were not changing the trans (wait, diff? crap, can't remember that far back) on the 1Ms at 1,200 miles and people were going CRAZY!

There - I think I've made some good points, you may or may not agree. That's totally fine, but you could try to be just a "touch" nicer if you respond
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Last edited by doug_999; 01-29-2017 at 09:12 AM..
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      01-29-2017, 09:06 AM   #21
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Quote:
Originally Posted by pruettfan View Post
Most of the made up information here seems to come from you. Look BMW has to come up with a number for break-in so I suppose that could be considered made up but its being made up by the engineers that designed the thing and have data. Why would Porsche have anything to do with a BMW break-in. If 700 is fine what about 70 miles? Tell us, your apparently the expert here.
It's actually best to change the engine oil under 100 miles right after most of the wear occurs and the rings seat, then again at the actual break in period. There is nothing special about BMW, Porsche, etc.... engines for break in. It's the same on any engine.

The break-in mileage for BMW M cars is specifically for the rear diff. The gears have to undergo a work hardening process that can only be done under driving loads. This is usually standard for any kind of gear set and usually takes at 500 miles at a minimum but possibly more depending on load and the type of gear, quality rating, etc...
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      01-29-2017, 10:17 AM   #22
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An oil analysis (Blackstone Labs) could definitively determine metal content at any number of miles.

Presumably, if you were only going to do a single "break in" oil change, it'd be done after particle contribution rate had "significantly" diminished - perhaps to no more than 5-10%. Otherwise, the process could continue at a significant rate after the premature service - and you'd be driving with grindy bits flowing through your engine for 10-12K miles longer than necessary.

Even if the car was drivin very hard from the start (against advice of BMW), it's not clear that the oil at the first 100mi would even contain most of the potential break-in particles.
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