04-25-2013, 02:33 PM | #1 |
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I'm totally going to screw up the break-in period - this is not a "worry" post
I gave my 335i a pat on the butt at the dealership then drove off with full acknowledgment that I am going to put my toe over the line on the break-in period. I found myself at 85 on the freeway and RPMs at 4500 on several occasion. I'm not doing burnouts but shoot, this is going to be hard to keep under 80 and not hit over 3000 on the RPM.
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04-25-2013, 03:02 PM | #2 |
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F30 sedan owners manual, page 156: "Do not exceed the maximum engine and road speed: For Gasoline engine, 4,500 rpm and 100 mph".
You are fine doing 85 mph and 4500 rpm. I am in the same boat! I have about 300 miles on the odo.
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04-25-2013, 03:05 PM | #3 | |
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04-25-2013, 05:13 PM | #5 |
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R u guys aware before they leave the factory they are red lined in every gear, even when i picked it up at the welt they told me to go a head as fast as i could go
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04-25-2013, 08:39 PM | #8 |
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04-25-2013, 08:49 PM | #9 |
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04-25-2013, 09:03 PM | #10 |
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I bought my first BMW--a 2002-in 1968, and my last one in 2005. My salesman in 2005told me to watch out because BMWs are oil burners. I broke it in as I always have with a new car, and then added the first quart of oil after 100,000 miles. It did not burn oil.
I seem to remember that for the first time I did not have to change the break-in oil, and was told that BMW runs the engines on a stand, then changes the oil and then installs them, so that the engine is broken-in before we get the new car. I would be interested in whether any of you ignored break in and then kept the car more than a 100,000 miles? Did you ever have to add oil? |
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04-25-2013, 11:02 PM | #11 | |
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04-25-2013, 11:12 PM | #12 | |
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04-26-2013, 02:57 PM | #13 | |
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There's three stages in engine testing: - "cold" = sounds like bad, but you start with well known conditions which change predictable during a short test. If you get X% performance the engine is good. These are checked against durability test with one per hundred, or per thousand. - "warm up" = a state where you really don't know where each fluid/component is temperature wise, and not reliable for testing - "warmed up" = Nice to have but too costly |
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04-27-2013, 08:58 PM | #14 | |
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Don't see why BMW would be any different. Perhaps you're describing something different like, there is the actual break in of a freshly built engine, and then there is a test performed on certain engines. After being freshly built they have a system to set the engine into for cooling and such, true no trans hook up but doesn't need that. Fill with break in oil, fire up, warm up, taken up slowly to max engine speed. Break in oil drained, fresh factory oil filled, move along. The "break in" for the rest of the car will happen during the first few hundred miles driven by the owner. Some of those parts are brakes, tires, clutch in MT, differential, etc... |
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05-06-2013, 01:23 PM | #15 |
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It's a controversial topic, some say follow the manual, some say follow the method below.
First: The first 20-40 miles (depending on the source) are the most important to run the engine more on the higher rpm side to get the piston rings to seat properly (note high RPM, not high speed). This will help the seals to seat the best, get the most power, keep high compression, increased longevity, etc. |
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05-06-2013, 07:52 PM | #16 |
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So what is the real answer? I have only 150 miles currently on my F30 328i. I havent been heavy on the gas and kept it under 3k rpm. I've mainly been driving it in eco pro mode (this has been so hard, i just want to drive!!)
Any recommendations? Does it actually make a difference? Seems like everyone has their own opinion. Any help would be grateful! Thanks in advance |
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05-06-2013, 08:33 PM | #17 | |
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05-10-2013, 09:16 PM | #18 |
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So what is the break-in miles?
I have a 335i m sport, with 300 miles.
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05-11-2013, 11:02 AM | #19 |
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05-12-2013, 03:36 AM | #20 |
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I like this follow up the best to break in the new engine.
http://www.popularmechanics.com/cars...k-in-a-new-car |
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05-15-2013, 09:41 AM | #21 | ||
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Unless the expectation is that you floor it in a high gear (just for a few seconds) at a fairly low rpm... but would that still accomplish the intended?
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Last edited by DVC; 05-15-2013 at 09:48 AM.. |
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05-16-2013, 08:53 AM | #22 |
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A lot of useful information shared so far. So what do you guys suggest if I have to drive 530 miles after my pick-up in Munich in early July? All of it will be on the freeway.
Shall I just play with the car accelerating from 60 MPH to 90, keep the speed for a few minutes and then let it slow down to 60 and speed up again, making sure not to go above 4500 RPM, but make it in somewhat dynamic fashion? It's gonna be a rather long drive especially after flying across the Globe from SFO the day before, so want to make the trip as short as possible, but also don't want to screw up the break-in of my car with setting the speedometer to 90 for the whole trip. :-/ |
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