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      03-12-2013, 04:17 PM   #23

Drives: m3
Join Date: Feb 2013
Location: NYC

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Above applies to all times and not just break-in. I drive the piss out of my car but with a couple rules I always follow. Engine temp needs to have the needle almost right in the middle. I don't go by the sliding-tach thing which essentially tells you the car is warm-enough well before the needle is even close to the middle. So I make sure the engine is nice and warm before letting it rip anytime I drive.

I was not holding the car at redline during break-in like I do now but I did frequent WOt runs to redline after about 500 miles. Then I would let off and do normal driving for awhile and then again another WOT run to redline.

I varied the gears and RPMS a lot and to me to fully break it in I think doing runs of 2k rpms all the way to full 8400 rpms runs really provides the maximum forces on the engine components to fully break-things in
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break-in, breakin period, breaking in

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