Brake Disc Cleaner

keflin2612 · 07-30-2018, 04:25 PM

Hi,
I have just purchased a used f22 from my local BMW dealer and the brake discs have a very thin layer of rust and dust on them which I want to clean off and wondered if anyone knows the best way of going about it.
Cheers

Kev.

Poochie · 07-30-2018, 04:35 PM

Quote:

Originally Posted by keflin2612

Hi,
I have just purchased a used f22 from my local BMW dealer and the brake discs have a very thin layer of rust and dust on them which I want to clean off and wondered if anyone knows the best way of going about it.
Cheers

Kev.

Just don't spray brake cleaner on them; you'll melt the blue M Sport caliper paint, if applicable..

Dylan86 · 07-30-2018, 04:42 PM

If it's rust, it will be on the steel portion of the rotor, which is coated/painted silver from the factory. The only way to get rid of it is to sand/repaint it. If it's the MSPORT Brembo brake package, and the aluminum hat in the center is corroding, you can use a scotch bright scrubbing pad and "polish" it back to life.

No cleaner will take off rust from a steel brake rotor, you'll just make a mess, imo...

BEM-S4 · 07-30-2018, 05:27 PM

Quote:

Originally Posted by Dylan86

If it's rust, it will be on the steel portion of the rotor, which is coated/painted silver from the factory. The only way to get rid of it is to sand/repaint it. If it's the MSPORT Brembo brake package, and the aluminum hat in the center is corroding, you can use a scotch bright scrubbing pad and "polish" it back to life.

No cleaner will take off rust from a steel brake rotor, you'll just make a mess, imo...

This. Wait til they're due for replace and get stoptech w the center painted.

morphomeman · 07-30-2018, 06:16 PM

The best way to clean brakes is to use them. Try a few hard stops and see if that helps.

overcoil · 07-30-2018, 06:35 PM

My stock hat portion of my rotor wiped quite nicely when I washed the car last week ( car wash soap and cotton rag ) the crease where the hat meets the disc didn’t clean up as nicely but I may try a sonax style wheel cleaner next if I decide to get it perfect.

07-30-2018, 04:25 PM	#1
keflin2612 New Member 0 Rep 7 Posts Drives: 330d M Sport Auto Join Date: Oct 2011 Location: Hereford UK iTrader: (0)	Brake Disc Cleaner Hi, I have just purchased a used f22 from my local BMW dealer and the brake discs have a very thin layer of rust and dust on them which I want to clean off and wondered if anyone knows the best way of going about it. Cheers Kev.
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07-30-2018, 04:42 PM	#3
Dylan86 Colonel 1330 Rep 2,214 Posts Drives: F15d msport, F22 m235i Join Date: Jan 2016 Location: GTA iTrader: (0)	If it's rust, it will be on the steel portion of the rotor, which is coated/painted silver from the factory. The only way to get rid of it is to sand/repaint it. If it's the MSPORT Brembo brake package, and the aluminum hat in the center is corroding, you can use a scotch bright scrubbing pad and "polish" it back to life. No cleaner will take off rust from a steel brake rotor, you'll just make a mess, imo... __________________ My F22 Road/Track Build
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07-30-2018, 06:16 PM	#5
morphomeman Major 593 Rep 1,219 Posts Drives: 2015 M235ix Join Date: May 2015 Location: United States iTrader: (1) Garage List 2016 BMW X3 [0.00] 2015 BMW M235ix [0.00]	The best way to clean brakes is to use them. Try a few hard stops and see if that helps.
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07-30-2018, 06:35 PM	#6
overcoil Major General 3074 Rep 5,577 Posts Drives: M235i 6spd Join Date: Dec 2013 Location: Mid-Atlantic iTrader: (0)	My stock hat portion of my rotor wiped quite nicely when I washed the car last week ( car wash soap and cotton rag ) the crease where the hat meets the disc didn’t clean up as nicely but I may try a sonax style wheel cleaner next if I decide to get it perfect.
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