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Finished MY brake upgrade - Performance rear + stock LR front

dotph

New Member
Oct 27, 2020
3
0
SunDiego
This is a nice cosmetic upgrade. However, you need to know that once you upgrade your rear calipers you also have to be aware of the brake bias. There is a chance that it will messed up the brake system balance and ABS on the rear which I think not worth the risk.
 

porschett

Member
Jan 2, 2021
12
31
San Diego
Why beef up rear brakes? Front brakes take more of the stopping load and should be more powerful. Just asking...

The brake upgrade are aesthetics more than anything else. The brakes as-is don't get much use because of the regen braking. As stated above, I can simply paint them, but the C-clamp rear doesn't match the front OEM Brembos and looks ordinary.
 

RoBoRaT

Zero Farts Given!
Nov 22, 2018
1,400
1,241
NorthSoCal
Keen eyes! Yes, that's from a M3. I had to do some creative cutting of the fender liner to get the splash guard tabs to snap in. Only used the front. The rear didn't need it as the rear bumper tapers in towards the rear. I wasn't too concerned about cutting a 1/4" by 2" notch on the liner. I'd figure when they do make a proper My splashguard, that it'll hide the cuts anyways.

View attachment 626655

View attachment 626656

Thanks for the idea...I too upped my brake by creating more drag lol :D

01CFA821-0D5C-4438-8EC5-242E04863796.jpeg
01CFA821-0D5C-4438-8EC5-242E04863796.jpeg 08E2A5A8-F95C-4EDD-819B-B4D3A358BB86.jpeg 763871DF-733D-4FC2-A3A4-C02DE66CED0F.jpeg 113E5129-3141-4C07-9CBC-EA987921CA6A.jpeg B6614854-93C9-4439-B679-2E694B638BE0.jpeg 26A3437F-FC44-4D38-A2F3-0952DE4828A3.jpeg
 

brinox

Member
Apr 30, 2020
72
50
Lenexa
Keen eyes! Yes, that's from a M3. I had to do some creative cutting of the fender liner to get the splash guard tabs to snap in. Only used the front. The rear didn't need it as the rear bumper tapers in towards the rear. I wasn't too concerned about cutting a 1/4" by 2" notch on the liner. I'd figure when they do make a proper My splashguard, that it'll hide the cuts anyways.

View attachment 626655

View attachment 626656

Can you link which splash guards you bought specifically? I'd really like to do the same here
 

porschett

Member
Jan 2, 2021
12
31
San Diego
hey, I am in the process of doing the same thing. What size calipers are on the front/rear for the LR MY? i cant find the dimensions anywhere. thank you for your help!
Front calipers are the same as the performance calipers except not painted. Not understanding your question on the rear since you'll be replacing them w/ rear performance calipers.
 

Neffz2

Member
Jun 9, 2021
10
0
Los angeles
I guess I can't edit once I've posted. So here's the pertinent info:

  1. Rear MY Part #s:
    1. WIRE COMP R,EPB - PLUS(1098481-00-C)
    2. WIRE COMP L,EPB - PLUS(1098480-00-C)
    3. Performance Rear Calipers: (1044643-00-F & 1044644-00-F)
    4. Performance Rear Rotors: (1044636-00-D) x2
  2. Paint color: GM Performance Torch Red
    1. I had a local paint shop scanned in the rear calipers and matched the closest factory color of all car manufacturers. He tweaked it a bit w/ a little more red. Color info in attached:

BTW, the MY front calipers are the same as the performance ones. Just not painted (Just compare w/ my pics against the PUP fronts)
If you dont mind me asking. How much did you spend on parts and labor?
 

Jdmoto

Member
Jul 6, 2021
17
12
Chicago
Thank you for the write up! I'll be doing the same upgrade. The rear C clamp brakes just makes the car look cheap.

Few questions.

1. I noticed the LR & P rear rotor is the same size as the performance 3 rotor. Is the rotor upgrade necessary?
2. I assume the brake pads are also different? I didn't see that on the list.

Thanks again.
 
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osunick

Member
Jul 1, 2021
29
12
Palo Alto, CA
You know the P rear brakes are still sliding calipers, just harder to work on because they’re made up to look like fixed ones and don’t have a window for piston retraction. Plenty of cars with sliding rear calipers, like the AMG GT and the Lamborghini Urus. It simply doesn’t matter that much.
 

Neffz2

Member
Jun 9, 2021
10
0
Los angeles
Does anyone know if tesla just updated the part numbers?
I am looking for this specific part 1044644-00-F and it no longer exists.
This is the new replacement numbre 8008224-00-B
 

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