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      11-02-2018, 10:59 PM   #18
Quickburn7
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Drives: 2018 Bmw M5
Join Date: Jan 2018
Location: Los Angeles

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Quote:
Originally Posted by visualguy View Post
Quote:
Originally Posted by TheRealBob View Post
I do have a problem with them rusting to the rotor after washing. I could avoid that on the F10 with a few back and forths while applying the brakes, before leaving it after a wash. But anything short of driving a couple miles on the M5, and I have to hear them break loose from the rotors after it sits overnight.
The amount of rust on the F90 M5 steel rotors after washing is unbelievable. I've never seen anything like it. Rust everywhere - not just the front surface. When I drive after washes, copious amounts of rusty water drip on the wheels. It's crazy. After driving and applying the brakes, the rust is removed from the rotor surface, but it's still in the drilled holes and on the sides of the rotors. It just looks bad.
How do you guys clean the blue brake calipers? They get so covered with brake dust they almost look grey now
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