Measuring Front Brake Disc - Minimum Thickness

Measure the brake disc using a micrometer screw in at least three different places, offset by 120° -Arrows- .
For values for brake discs, see:
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Wear areas on brake disc friction surface

If the measured value is below the wear limit at one or more measuring points:

Replace brake disc.

Front brake disc thickness wear value:	2 mm
Maximum thickness tolerance of brake discs:	0.01 mm