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BMW M5 F90 (2018+) General Forums Mechanical Maintenance: Break-in | Oil & Fluids | Servicing | TSB | Recalls    Brake Fluid Flush

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      08-27-2022, 07:48 PM   #1
Celticsfan34life
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Brake Fluid Flush

Ive been searching the forum but cant find it. Is can I gravity bleed the brakes or do I need ITSA(ISTA?)? Want to swap in Castrol but dont want to pay the dealer to do a flush if I can do it!
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      08-27-2022, 08:03 PM   #2
shawnhayes
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Quote:
Originally Posted by Celticsfan34life View Post
Ive been searching the forum but cant find it. Is can I gravity bleed the brakes or do I need ITSA(ISTA?)? Want to swap in Castrol but dont want to pay the dealer to do a flush if I can do it!
You can gravity bleed. Carefully. Let no air enter the system. Use the out bleed nipple ONLY. You will NOT achieve a full flush like this, but done the second time, you'll get close.

Castrol SRF I expect. Heading to the track?

Shawn
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      08-27-2022, 08:06 PM   #3
Celticsfan34life
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Originally Posted by shawnhayes View Post
You can gravity bleed. Carefully. Let no air enter the system. Use the out bleed nipple ONLY. You will NOT achieve a full flush like this, but done the second time, you'll get close.

Castrol SRF I expect. Heading to the track?

Shawn
Yes sir! Coming out of a G80 M3 into a M5 (non comp unfortunately) but hoping for the best! Looking for Carbotech XP12s as well but have not had any luck. Do you track? What do you use for pads if you do? I track maybe 7-8 times a year, do a trip to "Tail of the Dragon" and maybe an autocross or two.
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      08-27-2022, 08:16 PM   #4
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Originally Posted by Celticsfan34life View Post
Yes sir! Coming out of a G80 M3 into a M5 (non comp unfortunately) but hoping for the best! Looking for Carbotech XP12s as well but have not had any luck. Do you track? What do you use for pads if you do? I track maybe 7-8 times a year, do a trip to "Tail of the Dragon" and maybe an autocross or two.
She's a heavy bitch. Faster than any other sedan I've been in, but not incredibly agile. I had numerous events on my 2018, and three events down on my 2022 M5 CS

On my 2018 I used OEM and RacingBrake. RacingBrake were decent. Enless MX-72's are available (but never used by me). EBC's are available as well. BMW makes a pad (available in Europe, and shippable here) for the 'Ring taxi (but is VERY EXPENSIVE to import).

Carbotech will make you a set if you send them a good set of backing plates. It requires a lot of phone calls and lots of expensive shipping, but might be worth it. My $0.02 recommendation from using Carbotech's on my GT-R would be XP-20's for track. Just me.

The pad I use on my M5 CS is the stock pad. They are carbon ceramics. Pads recommended for carbon ceramics are few and far between. If I could get my choice, it would be Endless W007's.

Shawn
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      08-30-2022, 09:21 AM   #5
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I've used EBC. Better than stock, but fast pad wear and hard on rotors. Pretty sure I need new rotors now but wish there were more aftermarket options for such.
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      09-02-2022, 10:52 PM   #6
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I've used EBC. Better than stock, but fast pad wear and hard on rotors. Pretty sure I need new rotors now but wish there were more aftermarket options for such.
Racingbrake makes a set. Ran them on my AMG back in the day. Enjoyed them.
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      09-03-2022, 05:37 AM   #7
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I was looking at those RB 2 piece rotors recently. Have 40k miles on my rotors but think they have some life left. Where I live, change interval also depends on when the inside of the vanes have rusted up enough to block the holes. New stock rotors are $400-450 each.
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      09-03-2022, 08:00 AM   #8
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Quote:
Originally Posted by Maverik259 View Post
Quote:
Originally Posted by PDOT View Post
I've used EBC. Better than stock, but fast pad wear and hard on rotors. Pretty sure I need new rotors now but wish there were more aftermarket options for such.
Racingbrake makes a set. Ran them on my AMG back in the day. Enjoyed them.
I just found the RB rotors. Glad you had success with them. Think I'm going to try them next season. Hopefully with some better rotors, brake lines and figuring out the pad, I'll have more confidence in the brakes
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