Ok here is BMW new idea,,,this is the new expensive tool in the shop,,,yes we are starting to machine brake rotors when the rotors are warpped,,,me personal I don’t like this idea,,,,I never liked it when we did it along time ago when we had to remove the rotor and put them on a machine to turn the rotors,,,,now the machine comes to the car. I have to say this is one hell of a machine,,,,I was impressed on how well this machine performed,,,these rotors had a warpage of .10 mm,,,,the portable brake lathe easily cut the brake rotor. Here is a little video of the brake lathe in action,,,,you noticed I’m now on the passengers front wheel,,,,and the brake lathe head has to rotate to the other side to cut the rotor.
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