Does anyone know how many miles i need to break in my new 2013 911 (991) Carerra S? Is there an uppermost RPM or speed limit I should stay under and for how long?

 

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As far as I know for 2,000 miles do not exceed 4,000 RPM's to let the engine seat properly. It's in the owners manual. Best of luck!

 

How do you test that Sports Plus button then if it really works

 

I have been adhering to the engine breaking. I ask the dealer and there opinion was just drive it, so I do a mixture of both. 98% I keep it under 4500 RPM. The other times I have let it loose in all modes and it is wonderful. My advice, baby it but don't hesitate to try it a little.

 

Drive like you stole it.

 

I beat the *crap out of mine since day one, for a car that I drive every now and then, I am not that patient.

 

The australian version of the owner manual made no mention or rev restrictions, just to drive with varying engine speeds.

 

I have 2600 miles on mine and it took me 3 months to get through the 2000 miles break-in period where I followed the 4000 RPM/vary RPM advice. I still haven't used a quart of oil and the car runs perfectly. I probably won't do launch control for the first 10,000 miles but part of that is that I can't find any safe place to do it. It was not easy waiting, but I'm glad I did. From an engineering perspective, I can see how the parts need to be broken in together. Remember, parts have designed clearances and size tolerances. Given that, they will settle in slightly differently in different cars. They need several heat cycles for the parts to grow to their operating size and then back. Remember their is a recorder on board that knows how you have used your engine and when you take it in for a warranty repair they will access it. If you're planning on keeping it for a while, I would invest the time to break it in.

ChuckJ

 

Everything ChuckJ said is what I was always told and what I did with my 997. I never had any issues with my 997 engine wise. That being said, I keep reading more and more articles that say the manufacturing process these days is so much more precise that a breakin period is not necessary. Some even go so far to ad use against it as they claim it lowers HP and can damage the engine. Dunno know about that.....
Personally I want to hang onto my car for awhile and want Porsche to honor my warranty so I will be sticking pretty close to what the manual says.

 

If there's one thing Porsche Engineering is expert on, it's building a great engine. Why in the world would they offer bad break-in advise? I can think of a reason or two a dealer or salesman would suggest trashing it the minute you take it off the showroom floor.

Vary the RPM, speed, and type of drives for the first 2,000 miles, and keep it under 4,000 RPM, or take your chances.

 

My 2012 997 C2S has 1500 miles on it and I have had it as high as 6000 RPM a handful of times. I try to keep shifts at @ 2000 RPM until the engine is fully warmed up. It's torture waiting since it has taken me more than 5 months to get to 1500 miles.

It is true- the recommendation is to keep revs under 4000 for the first 2000 miles. It's not easy! I'm a patient person and I couldn't do it. And I bought my car with cash too, not leased.

 

1. To break-in the driver, so to speak OR
2. To reduce warranty expense (since posters like ^^^) won't hit 2k miles for many months.

That said, I actually have no opinion -- lots of opinions out there on this and not so much data.

 

mine has 2300km and another 900km to go; stuck to the gun pretty much most of the time. gone over 4000 revs a few times and can only say that the feeling was orgasmic or at least pretty close to it.

 

Here is an interesting article about "New Engine Break-in Conundrum"

http://yel.pca.org/porsche-engine-break-in/