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      04-25-2017, 08:42 AM   #118
IS350
IS350 to IS-F to M3 and M4
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Drives: 2015 i8
Join Date: Aug 2007
Location: South Carolina

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Quote:
Originally Posted by RingMeister01 View Post
You have to load the engine guys. Full throttle on and off to compress and seat the rings of the piston. Those of you who are "babying" your break-ins are doing irreparable harm to your pistons. You'll experience better gas milage and power if you vary your engine speeds and load the motor. For example, hit the highway and do 40 - 80 mph pulls at full throttle at low, mid and then higher rpm's maybe 10 times. Do an oil change and you'RE done. Thats the break-in.


FYI you do know that before any cars leaves the BMW factory ill go through a dyno pull...right?
This sounds much more like it!
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