Min thickness of front rotors = 20mm
ditto rear = 18mm
You have to use a micrometer to check the thickness as you can't get a vernier over the lip....
The problem not changing brake fluid is its absorption of moisture from the air - not good for master & slave cylinder bores & pistons especially in a high humidity climate....
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2001 Boxster S (triple black). Sleeping easier with LN Engineering/Flat 6 IMS upgrade, low temp thermostat & underspeed pulley.
2001 MV Agusta F4.
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