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      11-15-2019, 03:30 PM   #132
ornicar
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Drives: 125i
Join Date: Dec 2017
Location: France

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Quote:
Originally Posted by nuebbes View Post
No problem mate. They even have 348 mm.




Please see my post #32 - there I already mentioned the correct p/n's for the brakes.

And no, the caliper for the 340 mm disc is not p'n'p with the 370 mm disc. There is no spacer bracket available.
The best deal for you is to buy the complete 370 mm kit.

If you want to powder coat the calipers, you have to disassemble the complete calipers anyhow (incl. pistons ect). Sand blasting must be done for all calipers as well - so you have the choice of color also for the 370 mm calipers.

You can also paint the calipers with heat resistant paint - the OEM calipers are also just paint coated. So you just need color which resists min. 280°C.
By using paint coating you can also tape the pistons and you do not have to disassemble the complete calipers (although the complete disassembly would be the more quality way to go also for paint coating).



Correct regarding the calipers/ discs with the spacer.

I think the pistons should be identical because the repair/ sealant kit for the calipers are always the same as from 114d to M4 and even i8 (P/N 34116850935).

Please explain your theory regarding the smaller pistons at bigger discs more in detail.




The i8-brake could perhaps also fit to the Z4:
Rotors: 340 x 29 mm: 34116858623
4-piston-calipers (black&blue painted): 34116868231 + ...2
Brake pads: 34106866072

Hi,

did anyone ever test to fit the i8 calipers???

rotors are not the same, they have 5x112 fitting pattern.

Thanks
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