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Old 12-09-2008, 03:00 PM   #16
Join Date: Jul 2003
Location: BimmerWorld
Posts: 200
My Ride: Any BMW with 4wheels
Originally Posted by zeppelin4 View Post
i changed my tranny fluid recently after having a sport clutch and lightweight flywheel installed to reduce that flywheel rattle but ever since then my shifts havent been as smooth im just hoping i didnt mess up my clutch and flywheel cause i didnt wait exactly 500 miles...more like 400
It isn't a strict mileage thing - it is really a matter of transfering the disc material onto the friction surfaces. I can do it in an hour at the racetrack, but that is a lot of shifting and I am very aware of what the goal is and I use my clutch pedal accordingly. By the same token, 400 miles on interstate will not at all break it in...

Worth the effort to make sure it is done properly. Even more so with Kevlar.
James Clay
Race Proven Performance

Bimmer World
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