Originally Posted by disston
Just a minor point. Those splines do look fine. they are excellent splines but they are not that close to new. When new the splines have the same amount of space in the top as in the valley. Those do show some wear. Another thing you can look at is looking into the spline with a flashlight. You will be able to see the original shape in the back.
Good point, disston. I'm no expert on BMWs, but I did own a 650/6 toaster back in the day and it had paper thin splines when I sold her. She suffered a lot of abuse from POs that I could not afford to rectify at the time (going to school, broke 24/7).