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      06-18-2008, 10:57 AM   #23
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      06-18-2008, 12:06 PM   #24
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Quote:
Originally Posted by ///Mantis View Post
i broke in nicely for first 1200, after that my SA told me i can drive like i stole it, and i did. now it's burning oil like a motherfucker
Tell me more....my definition of "burning oil like a motherfucker" is a quart every 1,500 miles (in my ex. 02 X5 4.4i)
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      06-18-2008, 02:53 PM   #25
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This should shed some light on this controversial topic. Here is what Lotus tells Elise owners. They're the most detailed break-in instructions I've ever seen, and they make a lot of sense. (sorry my cut/copy/paste skills are still developing) This is the same company that logs everything your car did during break-in and the techs can also give you a "naughty or nice" print out when you go for your post breakin service. I'm at 1039 miles on my C63 now, and I wish I'd read this for a refresher, but I think I did OK with my break-in overall.



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      06-18-2008, 03:26 PM   #26
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great hans,

thats really helpfull
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      06-18-2008, 04:04 PM   #27
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X2, great posting Hans, Thanks.
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      06-18-2008, 06:05 PM   #28
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Quote:
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great hans,

thats really helpfull
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Originally Posted by Ross08E93M3 View Post
X2, great posting Hans, Thanks.

Thanks guys!

At least it gives us a clue as to why we're supposed to do what we're supposed to do.... might be some peace of mind during the break-in. I hate break-in because it makes it a little harder to enjoy a new car. Instead I drive around overanalyzing and wondering if I'm doing the right thing!

It's written for the 1.8l Toyota engine, but I think it would apply to any high-performance street engine... YMMV!
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      06-18-2008, 07:45 PM   #29
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Followed this procedure on my Audi S4 with no problems so far at 26000 miles.

http://www.mototuneusa.com/break_in_secrets.htm
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      06-19-2008, 05:02 AM   #30
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Quote:
Originally Posted by jhsu View Post
Followed this procedure on my Audi S4 with no problems so far at 26000 miles.

http://www.mototuneusa.com/break_in_secrets.htm
Did you change the oil after the first 20 miles or wait until the Audi 1st service?
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      06-19-2008, 07:25 AM   #31
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I waited until the 1st service at 5000 miles. The service intervals after that are 10000 miles. At most I consume 1/2 a quart in those 10000 miles.
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      06-19-2008, 07:29 AM   #32
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Quote:
Originally Posted by Wads View Post
Did you change the oil after the first 20 miles or wait until the Audi 1st service?
I have done that many times and also cut open & inspect the oil filter on engines that I have built.The only thing I ever found in the filters was gasket goop & silicone.If you find metal particles that are visable to the naked eye you have a lot larger problem to deal with!
With the modern engine manufacturing,oils & filtering used,I think this is overkill on a street motor.Changing the oil out at 2000 kms does make sense though.
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      06-19-2008, 08:58 AM   #33
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Sort of off topic, but I visited my local dealer again yesterday, and it was refreshing to know that they obey the break-in instructions on all their vehicals, even they test cars. I'd been hestitant to buy anything that had been on the lot long enough to be sat in, but this is reassuring.
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      06-19-2008, 09:15 AM   #34
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Originally Posted by xsilvor View Post
Sort of off topic, but I visited my local dealer again yesterday, and it was refreshing to know that they obey the break-in instructions on all their vehicals, even they test cars. I'd been hestitant to buy anything that had been on the lot long enough to be sat in, but this is reassuring.
Do you really believe them????
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      08-10-2008, 08:24 PM   #35
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Quote:
Originally Posted by Hans Delbruck View Post
This should shed some light on this controversial topic. Here is what Lotus tells Elise owners. They're the most detailed break-in instructions I've ever seen, and they make a lot of sense. (sorry my cut/copy/paste skills are still developing) This is the same company that logs everything your car did during break-in and the techs can also give you a "naughty or nice" print out when you go for your post breakin service. I'm at 1039 miles on my C63 now, and I wish I'd read this for a refresher, but I think I did OK with my break-in overall.



You got to do all that even for a little toyota engine? Those same engines don't have any recommended break-in procedures in Toyotas.
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      08-10-2008, 08:38 PM   #36
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I've built a number of hi po engines over the years. From dual weber M10s with 7800 rpm redlines to 461 ci Pontiacs. My rules have been pretty simple. Use the whole rpm range gradually over the first few hundred miles and avoid prolonged heavy loads during that time.

What that means is vary the rpm a lot over the first 500 miles and use the whole rpm range long before 1200 miles. Don't run the car hard enough to get the oil temps much over 200F.

Forget what I just wrote. Halfway through this I read the post above. Lotus has it right.
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      08-10-2008, 08:42 PM   #37
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Quote:
Originally Posted by Radiation Joe View Post
I've built a number of hi po engines over the years. From dual weber M10s with 7800 rpm redlines to 461 ci Pontiacs. My rules have been pretty simple. Use the whole rpm range gradually over the first few hundred miles and avoid prolonged heavy loads during that time.

What that means is vary the rpm a lot over the first 500 miles and use the whole rpm range long before 1200 miles. Don't run the car hard enough to get the oil temps much over 200F.

Forget what I just wrote. Halfway through this I read the post above. Lotus has it right.
I think so as well, I have been doing a combination of gradual and some higher revs with gas. During the first few hundred I was very easy and now passing 400 I have been giving some full throttle. It is more healthy to let the motor see most of the powerband than just a small portion of low revs for 1200 miles.
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      08-10-2008, 08:42 PM   #38
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Okay, so opinions abt whether to nurse the car in the first 1200-3000 miles are mixed... but what abt launch control?

A definate no no for 1200 and maybe after that? Or never use it before 3000?
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      08-10-2008, 08:43 PM   #39
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Originally Posted by synclastica_86 View Post
Okay, so opinions abt whether to nurse the car in the first 1200-3000 miles are mixed... but what abt launch control?

A definate no no for 1200 and maybe after that? Or never use it before 3000?
After 1200 its on... at least for me.
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      08-10-2008, 08:53 PM   #40
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But if something goes wrong with your engine (let's say unrelated to break in procedure) and they see you did not follow the break in instructions, you your engine repair may be out of warranty. They track all of what you do with your car RPM wise during the break in periods.

Quote:
Originally Posted by adamr View Post
keep it below 5500 RPM, thats what im doing ... and not over 170km/h ... and its frustrating as hell ... im not gonna just floor the car, will follow the instructions as per BMW ... i know some that would just floor the car ...

PROS and CONS regarding you folllowing a proper break in procedure as per BMW instructions:

PROS: if the book says dont kill the car before 2000km, cause if you do, something might break, and would ///M GmBH not know better? it is their product after all

CONS: if you dont give a sh1t about break in and floor the car to redline when you get it, you could be getting a faster and more reliable car in the long term ... this is a urban legend at the moment to me, how true it is .... i cant vouch for that
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      08-10-2008, 08:54 PM   #41
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Originally Posted by knifegun View Post
But if something goes wrong with your engine (let's say unrelated to break in procedure) and they see you did not follow the break in instructions, you your engine repair may be out of warranty. They track all of what you do with your car RPM wise during the break in periods.
I highly doubt that, if it was such a life or death issue they would limit the RPM's to 5500 and not let you cross them. Plus, how do they prove it was the break in procedure that did it and not a fault from the factory that would have happened regardless?
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      08-10-2008, 08:55 PM   #42
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Quote:
Originally Posted by Sticky View Post
After 1200 its on... at least for me.
Again, sticker says that there is a second break in period until about 3000 miles. If something goes wrong with your engine and you have been redlining it from 1201 miles, you may find your self on a bad negotiation position.


Something to think about to all of you going through the break in period.
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      08-10-2008, 09:11 PM   #43
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Quote:
Originally Posted by Gearhead999s View Post
I do break it in,but not by the manual.The 2000 km recommended breakin is usually about 5-10% of the life of the cars time in my possesion as I usually average a new vehicle a year.The biggest thing for the 1st bit is to very anal about being oil temps being fully warmed up before large rpm & loads.I have been breaking in my cars like this for over 30 years with no issues except for 1.That was a 454 Suburban that my wife drove for the 1st 1000 kms of its life and was driven slowly and used a litre of oil every 750 kms.I got a new dropin under warranty and broke it in as normal and it used a liter every 5000 kms after the new engine.

How long do you keep your vehicles for? A new car a year, I imagine once the warranty is up on a car you would ditch it, if you haven't yet already.

Which leads me to conclude that your system is not at all meant for anyone planning on keeping this car for more than 5 years. A similar situation can be said for your buddy who builds those V8s. I'm sure he isn't building and breaking them in for average cars that will see 100k+ miles of use. BMW tested this car for all likely conditions, and all driving styles. The manual that comes with the car explaining the slower more conservative break-in procedure is backed by the BMW warranty.

If I had to choose between using BMW's recommended method, and yours... well the choice is clear. No offense, but if you are going to recommend something that is so drastically different from the norm, it would be nice to have more evidence and refences than just your "friend" who also builds V8s.

For all we know, he might not even be that great at building them. You never posted up pics of any trophies.

Anyways, I'm not attacking you or saying your lying even. Just pointing out that though you seem to know your shit, your still just a guy posting on a forum and I'd hate to see the OP ruin his $68k car because of this. Especially since I'm sure you won't guarantee your method with a warranty equal to that of BMW.
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      08-10-2008, 09:41 PM   #44
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Quote:
Originally Posted by Sticky View Post
I highly doubt that, if it was such a life or death issue they would limit the RPM's to 5500 and not let you cross them. Plus, how do they prove it was the break in procedure that did it and not a fault from the factory that would have happened regardless?
If they don't find any cause for the failure, they will blame it on improper break in (this is BMW of NA, not the dealer). At that point, you roll the dice that the BMW of NA rep is nice and does the right thing.

Its okay to doubt me. But do you want to take a chance that I am right? Have to pay for a new engine when somethings goes wrong and they blame it on overreviing the engine (i.e. not warrantied)?
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